Files

SQL
algorithms
array
backtracking
bit magic
competitive programming
- codechef
- codeforces
- cses
- hackerearth
- hackerrank
- interviewbit
- leetcode
  - 2020-August-Challenge
  - 2020-December-Challenge
  - 2020-July-Challenge
  - 2020-June-Challenge
  - 2020-November-Challenge
  - 2020-October-Challenge
  - 2020-September-Challenge
  - 2021-June-Challenge
  - 1. Two Sum.cpp
  - 100. Same Tree.cpp
  - 1002. Find Common Characters.cpp
  - 1004. Max Consecutive Ones III.cpp
  - 1007. Minimum Domino Rotations For Equal Row.cpp
  - 1009. Complement of Base 10 Integer.cpp
  - 101. Symmetric Tree.cpp
  - 1010. Pairs of Songs With Total Durations Divisible by 60.cpp
  - 102. Binary Tree Level Order Traversal.cpp
  - 1020. Number of Enclaves.cpp
  - 1021. Remove Outermost Parentheses.cpp
  - 1022. Sum of Root To Leaf Binary Numbers.cpp
  - 1025. Divisor Game.cpp
  - 1029. Two City Scheduling.cpp
  - 103. Binary Tree Zigzag Level Order Traversal.cpp
  - 1032. Stream of Characters.cpp
  - 1037. Valid Boomerang.cpp
  - 104. Maximum Depth of Binary Tree.cpp
  - 1041. Robot Bounded In Circle.cpp
  - 1046. Last Stone Weight.cpp
  - 1047. Remove All Adjacent Duplicates In String.cpp
  - 105. Construct Binary Tree from Preorder and Inorder Traversal.cpp
  - 1051. Height Checker.cpp
  - 106. Construct Binary Tree from Inorder and Postorder Traversal.cpp
  - 107. Binary Tree Level Order Traversal II.cpp
  - 108. Convert Sorted Array to Binary Search Tree.cpp
  - 1091. Shortest Path in Binary Matrix.cpp
  - 1094. Car Pooling.cpp
  - 11. Container With Most Water.cpp
  - 110. Balanced Binary Tree.cpp
  - 1103. Distribute Candies to People.cpp
  - 1108. Defanging an IP Address.cpp
  - 1122. Relative Sort Array.cpp
  - 113. Path Sum II.cpp
  - 1137. N-th Tribonacci Number.cpp
  - 114. Flatten Binary Tree to Linked List.cpp
  - 1143. Longest Common Subsequence.cpp
  - 116. Populating Next Right Pointers in Each Node.cpp
  - 1160. Find Words That Can Be Formed by Characters.cpp
  - 117. Populating Next Right Pointers in Each Node II.cpp
  - 1170. Compare Strings by Frequency of the Smallest Character.cpp
  - 118. Pascal's Triangle.cpp
  - 1189. Maximum Number of Balloons.cpp
  - 119. Pascal's Triangle II.cpp
  - 1192. Critical Connections in a Network.cpp
  - 12. Integer to Roman.cpp
  - 1202. Smallest String With Swaps.cpp
  - 1209. Remove All Adjacent Duplicates in String II.cpp
  - 121. Best Time to Buy and Sell Stock.cpp
  - 122. Best Time to Buy and Sell Stock II.cpp
  - 1221. Split a String in Balanced Strings.cpp
  - 123. Best Time to Buy and Sell Stock III.cpp
  - 1232. Check If It Is a Straight Line.cpp
  - 124. Binary Tree Maximum Path Sum.cpp
  - 125. Valid Palindrome.cpp
  - 1252. Cells with Odd Values in a Matrix.cpp
  - 1266. Minimum Time Visiting All Points.cpp
  - 128. Longest Consecutive Sequence.cpp
  - 1286. Iterator for Combination.cpp
  - 1288. Remove Covered Intervals.cpp
  - 129. Sum Root to Leaf Numbers.cpp
  - 1290. Convert Binary Number in a Linked List to Integer.cpp
  - 1291. Sequential Digits.cpp
  - 1295. Find Numbers with Even Number of Digits.cpp
  - 1299. Replace Elements with Greatest Element on Right Side.cpp
  - 13. Roman to Integer.cpp
  - 130. Surrounded Regions.cpp
  - 1302. Deepest Leaves Sum.cpp
  - 1304. Find N Unique Integers Sum up to Zero.cpp
  - 1305. All Elements in Two Binary Search Trees.cpp
  - 1309. Decrypt String from Alphabet to Integer Mapping.cpp
  - 131. Palindrome Partitioning.cpp
  - 1313. Decompress Run-Length Encoded List.cpp
  - 132. Palindrome Partitioning II.cpp
  - 1323. Maximum 69 Number.cpp
  - 133. Clone Graph.cpp
  - 1332. Remove Palindromic Subsequences.cpp
  - 1337. The K Weakest Rows in a Matrix.cpp
  - 134. Gas Station.cpp
  - 1342. Number of Steps to Reduce a Number to Zero.cpp
  - 1344. Angle Between Hands of a Clock.cpp
  - 1347. Minimum Number of Steps to Make Two Strings Anagram.cpp
  - 135. Candy.cpp
  - 1351. Count Negative Numbers in a Sorted Matrix.cpp
  - 136. Single Number.cpp
  - 1365. How Many Numbers Are Smaller Than the Current Number.cpp
  - 137. Single Number II.cpp
  - 1370. Increasing Decreasing String.cpp
  - 1374. Generate a String With Characters That Have Odd Counts.cpp
  - 1379. Find a Corresponding Node of a Binary Tree in a Clone of That Tree.cpp
  - 138. Copy List with Random Pointer.cpp
  - 1380. Lucky Numbers in a Matrix.cpp
  - 1385. Find the Distance Value Between Two Arrays.cpp
  - 1387. Sort Integers by The Power Value.cpp
  - 1389. Create Target Array in the Given Order.cpp
  - 139. Word Break.cpp
  - 1396. Design Underground System.cpp
  - 14. Longest Common Prefix.cpp
  - 1401A - Distance and Axis.cpp
  - 1408. String Matching in an Array.cpp
  - 141. Linked List Cycle.cpp
  - 142. Linked List Cycle II.cpp
  - 143. Reorder List.cpp
  - 1431. Kids With the Greatest Number of Candies.cpp
  - 1436. Destination City.cpp
  - 144. Binary Tree Preorder Traversal.cpp
  - 1441. Build an Array With Stack Operations.cpp
  - 1446. Consecutive Characters.cpp
  - 1448. Count Good Nodes in Binary Tree.cpp
  - 145. Binary Tree Postorder Traversal.cpp
  - 1450. Number of Students Doing Homework at a Given Time.cpp
  - 1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence.cpp
  - 1456. Maximum Number of Vowels in a Substring of Given Length.cpp
  - 146. LRU Cache.cpp
  - 1460. Make Two Arrays Equal by Reversing Sub-arrays.cpp
  - 1464. Maximum Product of Two Elements in an Array.cpp
  - 147. Insertion Sort List.cpp
  - 1470. Shuffle the Array.cpp
  - 1475. Final Prices With a Special Discount in a Shop.cpp
  - 148. Sort List.cpp
  - 1480. Running Sum of 1d Array.cpp
  - 1486. XOR Operation in an Array.cpp
  - 1491. Average Salary Excluding the Minimum and Maximum Salary.cpp
  - 1492. The kth Factor of n.cpp
  - 1498. Number of Subsequences That Satisfy the Given Sum Condition.cpp
  - 15. 3Sum.cpp
  - 1502. Can Make Arithmetic Progression From Sequence.cpp
  - 1507. Reformat Date.cpp
  - 151. Reverse Words in a String.cpp
  - 1512. Number of Good Pairs.cpp
  - 152. Maximum Product Subarray.cpp
  - 1534. Count Good Triplets.cpp
  - 154. Find Minimum in Rotated Sorted Array II.cpp
  - 1544. Make The String Great.cpp
  - 1550. Three Consecutive Odds.cpp
  - 1551. Minimum Operations to Make Array Equal.cpp
  - 1553. Minimum Number of Days to Eat N Oranges.cpp
  - 1556. Thousand Separator.cpp
  - 1557. Minimum Number of Vertices to Reach All Nodes.cpp
  - 1560. Most Visited Sector in a Circular Track.cpp
  - 1572. Matrix Diagonal Sum.cpp
  - 1576. Replace All 's to Avoid Consecutive Repeating Characters.cpp
  - 1577. Number of Ways Where Square of Number Is Equal to Product of Two Numbers.cpp
  - 1578. Minimum Deletion Cost to Avoid Repeating Letters.cpp
  - 1582. Special Positions in a Binary Matrix.cpp
  - 1588. Sum of All Odd Length Subarrays.cpp
  - 1592. Rearrange Spaces Between Words.cpp
  - 1598. Crawler Log Folder.cpp
  - 160. Intersection of Two Linked Lists.cpp
  - 1603. Design Parking System.cpp
  - 1608. Special Array With X Elements Greater Than or Equal X.cpp
  - 1609. Even Odd Tree.cpp
  - 1614. Maximum Nesting Depth of the Parentheses.cpp
  - 1615. Maximal Network Rank.cpp
  - 1624. Largest Substring Between Two Equal Characters.cpp
  - 1629. Slowest Key.cpp
  - 1630. Arithmetic Subarrays.cpp
  - 1641. Count Sorted Vowel Strings.cpp
  - 165. Compare Version Numbers.cpp
  - 1656. Design an Ordered Stream.cpp
  - 1657. Determine if Two Strings Are Close.cpp
  - 1679. Max Number of K-Sum Pairs.cpp
  - 168. Excel Sheet Column Title.cpp
  - 169. Majority Element.cpp
  - 17. Letter Combinations of a Phone Number.cpp
  - 171. Excel Sheet Column Number.cpp
  - 1716. Calculate Money in Leetcode Bank.cpp
  - 172. Factorial Trailing Zeroes.cpp
  - 1721. Swapping Nodes in a Linked List.cpp
  - 173. Binary Search Tree Iterator.cpp
  - 174. Dungeon Game.cpp
  - 1768. Merge Strings Alternately.cpp
  - 179. Largest Number.cpp
  - 1791. Find Center of Star Graph.cpp
  - 18. 4Sum.cpp
  - 1822. Sign of the Product of an Array.cpp
  - 1854. Maximum Population Year.cpp
  - 1855. Maximum Distance Between a Pair of Values.cpp
  - 1863. Sum of All Subset XOR Totals.cpp
  - 1864. Minimum Number of Swaps to Make the Binary String Alternating.cpp
  - 1880. Check if Word Equals Summation of Two Words.cpp
  - 1881. Maximum Value after Insertion.cpp
  - 1884. Egg Drop With 2 Eggs and N Floors.cpp
  - 19. Remove Nth Node From End of List.cpp
  - 190. Reverse Bits.cpp
  - 191. Number of 1 Bits.cpp
  - 1913. Maximum Product Difference Between Two Pairs.cpp
  - 1914. Cyclically Rotating a Grid.cpp
  - 1964. Find the Longest Valid Obstacle Course at Each Position.cpp
  - 1971. Find if Path Exists in Graph.cpp
  - 198. House Robber.cpp
  - 2. Add Two Numbers.cpp
  - 200. Number of Islands.cpp
  - 203. Remove Linked List Elements.cpp
  - 204. Count Primes.cpp
  - 205. Isomorphic Strings.cpp
  - 206. Reverse Linked List.cpp
  - 207. Course Schedule.cpp
  - 209. Minimum Size Subarray Sum.cpp
  - 21. Merge Two Sorted Lists.cpp
  - 210. Course Schedule II.cpp
  - 211. Add and Search Word - Data structure design.cpp
  - 212. Word Search II.cpp
  - 213. House Robber II.cpp
  - 2130. Maximum Twin Sum of a Linked List.cpp
  - 215. Kth Largest Element in an Array.cpp
  - 216. Combination Sum III.cpp
  - 220. Contains Duplicate III.cpp
  - 221. Maximal Square.cpp
  - 2215. Find the Difference of Two Arrays.cpp
  - 222. Count Complete Tree Nodes.cpp
  - 225. Implement Stack using Queues.cpp
  - 226. Invert Binary Tree.cpp
  - 229. Majority Element II.cpp
  - 230. Kth Smallest Element in a BST.cpp
  - 231. Power of Two.cpp
  - 234. Palindrome Linked List.cpp
  - 235. Lowest Common Ancestor of a Binary Search Tree.cpp
  - 236. Lowest Common Ancestor of a Binary Tree.cpp
  - 237. Delete Node in a Linked List.cpp
  - 2389. Longest Subsequence With Limited Sum.cpp
  - 239. Sliding Window Maximum.cpp
  - 24. Swap Nodes in Pairs.cpp
  - 242. Valid Anagram.cpp
  - 2487. Remove Nodes From Linked List.cpp
  - 25. Reverse Nodes in k-Group.cpp
  - 2500. Delete Greatest Value in Each Row.cpp
  - 258. Add Digits.cpp
  - 26. Remove Duplicates from Sorted Array.cpp
  - 260. Single Number III.cpp
  - 264. Ugly Number II.cpp
  - 2643. Row With Maximum Ones.cpp
  - 2644. Find the Maximum Divisibility Score.cpp
  - 2645. Minimum Additions to Make Valid String.cpp
  - 268. Missing Number.cpp
  - 274. H-Index.cpp
  - 275. H-Index II.cpp
  - 279. Perfect Squares.cpp
  - 28. Implement strStr().cpp
  - 283. Move Zeroes.cpp
  - 284. Peeking Iterator.cpp
  - 287. Find the Duplicate Number.cpp
  - 29. Divide Two Integers.cpp
  - 290. Word Pattern.cpp
  - 295. Find Median from Data Stream.cpp
  - 297. Serialize and Deserialize Binary Tree.cpp
  - 299. Bulls and Cows.cpp
  - 3. Longest Substring Without Repeating Characters.cpp
  - 300. Longest Increasing Subsequence.cpp
  - 303. Range Sum Query - Immutable.cpp
  - 309. Best Time to Buy and Sell Stock with Cooldown.cpp
  - 31. Next Permutation.cpp
  - 316. Remove Duplicate Letters.cpp
  - 319. Bulb Switcher.cpp
  - 322. Coin Change.cpp
  - 326. Power of Three.cpp
  - 328. Odd Even Linked List.cpp
  - 329. Longest Increasing Path in a Matrix.cpp
  - 33. Search in Rotated Sorted Array.cpp
  - 332. Reconstruct Itinerary.cpp
  - 338. Counting Bits.cpp
  - 34. Find First and Last Position of Element in Sorted Array.cpp
  - 341. Flatten Nested List Iterator.cpp
  - 342. Power of Four.cpp
  - 344. Reverse String.cpp
  - 347. Top K Frequent Elements.cpp
  - 35. Search Insert Position.cpp
  - 36. Valid Sudoku.cpp
  - 367. Valid Perfect Square.cpp
  - 368. Largest Divisible Subset.cpp
  - 38. Count and Say.cpp
  - 380. Insert Delete GetRandom O(1).cpp
  - 382. Linked List Random Node.cpp
  - 389. Find the Difference.cpp
  - 39. Combination Sum.cpp
  - 392. Is Subsequence.cpp
  - 399. Evaluate Division.cpp
  - 40. Combination Sum II.cpp
  - 404. Sum of Left Leaves.cpp
  - 406. Queue Reconstruction by Height.cpp
  - 409. Longest Palindrome.cpp
  - 412. Fizz Buzz.cpp
  - 415. Add Strings.cpp
  - 416. Partition Equal Subset Sum.cpp
  - 42. Trapping Rain Water.cpp
  - 424. Longest Repeating Character Replacement.cpp
  - 429. N-ary Tree Level Order Traversal.cpp
  - 43. Multiply Strings.cpp
  - 430. Flatten a Multilevel Doubly Linked List.cpp
  - 435. Non-overlapping Intervals.cpp
  - 436. Find Right Interval.cpp
  - 438. Find All Anagrams in a String.cpp
  - 441. Arranging Coins.cpp
  - 442. Find All Duplicates in an Array.cpp
  - 443. String Compression.cpp
  - 445. Add Two Numbers II.cpp
  - 448. Find All Numbers Disappeared in an Array.cpp
  - 449. Serialize and Deserialize BST.cpp
  - 452. Minimum Number of Arrows to Burst Balloons.cpp
  - 454. 4Sum II.cpp
  - 456. 132 Pattern.cpp
  - 459. Repeated Substring Pattern.cpp
  - 46. Permutations.cpp
  - 461. Hamming Distance.cpp
  - 463. Island Perimeter.cpp
  - 468. Validate IP Address.cpp
  - 47. Permutations II.cpp
  - 470. Implement Rand10() Using Rand7().cpp
  - 476. Number Complement.cpp
  - 477. Total Hamming Distance.cpp
  - 48. Rotate Image.cpp
  - 485. Max Consecutive Ones.cpp
  - 49. Group Anagrams.cpp
  - 495. Teemo Attacking.cpp
  - 496. Next Greater Element I.cpp
  - 5. Longest Palindromic Substring.cpp
  - 50. Pow(x, n).cpp
  - 507. Perfect Number.cpp
  - 509. Fibonacci Number.cpp
  - 518. Coin Change 2.cpp
  - 520. Detect Capital.cpp
  - 528. Random Pick with Weight.cpp
  - 53. Maximum Subarray.cpp
  - 532. K-diff Pairs in an Array.cpp
  - 535. Encode and Decode TinyURL.cpp
  - 54. Spiral Matrix.cpp
  - 543. Diameter of Binary Tree.cpp
  - 547. Number of Provinces.cpp
  - 557. Reverse Words in a String III.cpp
  - 56. Merge Intervals.cpp
  - 560. Subarray Sum Equals K.cpp
  - 561. Array Partition I.cpp
  - 567. Permutation in String.cpp
  - 58. Length of Last Word.cpp
  - 581. Shortest Unsorted Continuous Subarray.cpp
  - 59. Spiral Matrix II.cpp
  - 593. Valid Square.cpp
  - 60. Permutation Sequence.cpp
  - 605. Can Place Flowers.cpp
  - 61. Rotate List.cpp
  - 62. Unique Paths.cpp
  - 621. Task Scheduler.cpp
  - 63. Unique Paths II.cpp
  - 633. Sum of Square Numbers.cpp
  - 64. Minimum Path Sum.cpp
  - 645. Set Mismatch.cpp
  - 649. Dota2 Senate.cpp
  - 653. Two Sum IV - Input is a BST.cpp
  - 657. Robot Return to Origin.cpp
  - 658. Find K Closest Elements.cpp
  - 66. Plus One.cpp
  - 662. Maximum Width of Binary Tree.cpp
  - 67. Add Binary.cpp
  - 671. Second Minimum Node In a Binary Tree.cpp
  - 682. Baseball Game.cpp
  - 684. Redundant Connection.cpp
  - 686. Repeated String Match.cpp
  - 69. Sqrt(x).cpp
  - 693. Binary Number with Alternating Bits.cpp
  - 695. Max Area of Island.cpp
  - 7. Reverse Integer.cpp
  - 70. Climbing Stairs.cpp
  - 700. Search in a Binary Search Tree.cpp
  - 701. Insert into a Binary Search Tree.cpp
  - 703. Kth Largest Element in a Stream.cpp
  - 704. Binary Search.cpp
  - 705. Design HashSet.cpp
  - 706. Design HashMap.cpp
  - 709. To Lower Case.cpp
  - 72. Edit Distance.cpp
  - 724. Find Pivot Index.cpp
  - 73. Set Matrix Zeroes.cpp
  - 733. Flood Fill.cpp
  - 743. Network Delay Time.cpp
  - 746. Min Cost Climbing Stairs.cpp
  - 75. Sort Colors.cpp
  - 76. Minimum Window Substring.cpp
  - 763. Partition Labels.cpp
  - 767. Reorganize String.cpp
  - 771. Jewels and Stones.cpp
  - 775. Global and Local Inversions.cpp
  - 78. Subsets.cpp
  - 785. Is Graph Bipartite.cpp
  - 787. Cheapest Flights Within K Stops.cpp
  - 788. Rotated Digits.cpp
  - 79. Word Search.cpp
  - 797. All Paths From Source to Target.cpp
  - 8. String to Integer (atoi).cpp
  - 80. Remove Duplicates from Sorted Array II.cpp
  - 804. Unique Morse Code Words.cpp
  - 82. Remove Duplicates from Sorted List II.cpp
  - 824. Goat Latin.cpp
  - 83. Remove Duplicates from Sorted List.cpp
  - 832. Flipping an Image.cpp
  - 836. Rectangle Overlap.cpp
  - 84. Largest Rectangle in Histogram.cpp
  - 841. Keys and Rooms.cpp
  - 844. Backspace String Compare.cpp
  - 859. Buddy Strings.cpp
  - 865. Smallest Subtree with all the Deepest Nodes.cpp
  - 867. Transpose Matrix.cpp
  - 876. Middle of the Linked List.cpp
  - 877. Stone Game.cpp
  - 881. Boats to Save People.cpp
  - 887. Super Egg Drop.cpp
  - 890. Find and Replace Pattern.cpp
  - 893. Groups of Special-Equivalent Strings.cpp
  - 897. Increasing Order Search Tree.cpp
  - 9. Palindrome Number.cpp
  - 90. Subsets II.cpp
  - 904. Fruit Into Baskets.cpp
  - 905. Sort Array By Parity.cpp
  - 908. Smallest Range I.cpp
  - 91. Decode Ways.cpp
  - 914. X of a Kind in a Deck of Cards.cpp
  - 92. Reverse Linked List II.cpp
  - 922. Sort Array By Parity II.cpp
  - 926. Flip String to Monotone Increasing.cpp
  - 929. Unique Email Addresses.cpp
  - 933. Number of Recent Calls.cpp
  - 94. Binary Tree Inorder Traversal.cpp
  - 941. Valid Mountain Array.cpp
  - 946. Validate Stack Sequences.cpp
  - 949. Largest Time for Given Digits.cpp
  - 952. Largest Component Size by Common Factor.cpp
  - 954. Array of Doubled Pairs.cpp
  - 957. Prison Cells After N Days.cpp
  - 96. Unique Binary Search Trees.cpp
  - 967. Numbers With Same Consecutive Differences.cpp
  - 970. Powerful Integers.cpp
  - 973. K Closest Points to Origin.cpp
  - 977. Squares of a Sorted Array.cpp
  - 98. Validate Binary Search Tree7. Reverse Integer.cpp
  - 983. Minimum Cost For Tickets.cpp
  - 987. Vertical Order Traversal of a Binary Tree.cpp
  - 994. Rotting Oranges..cpp
  - 997. Find the Town Judge.cpp
  - 999. Available Captures for Rook.cpp
  - README.MD
dynamic programming
graph
linked list
mathematical
matrix
recursion
sliding window
stack
string
tree
two pointers
.gitignore
CPPNotes.md
LICENSE
README.md
sdeProblemSheet.md

leetcode

🚀 17-Jun-2023

Jun 17, 2023

5ef8581 · Jun 17, 2023

Name	Name	Last commit message	Last commit date
parent directory ..
2020-August-Challenge	2020-August-Challenge	🚀 01-Sep-2020	Sep 1, 2020
2020-December-Challenge	2020-December-Challenge	🚀 25-Dec-2020	Dec 25, 2020
2020-July-Challenge	2020-July-Challenge	🚀 02-Aug-2020	Aug 2, 2020
2020-June-Challenge	2020-June-Challenge	🚀 01-Jul-2020	Jul 1, 2020
2020-November-Challenge	2020-November-Challenge	🚀 18-Nov-2020	Nov 18, 2020
2020-October-Challenge	2020-October-Challenge	🚀 01-Nov-2020	Nov 1, 2020
2020-September-Challenge	2020-September-Challenge	🚀 26-Sep-2020	Sep 26, 2020
2021-June-Challenge	2021-June-Challenge	🚀 25-Jun-2021	Jun 25, 2021
1. Two Sum.cpp	1. Two Sum.cpp	🚀 17-Jun-2023	Jun 17, 2023
100. Same Tree.cpp	100. Same Tree.cpp	🚀 26-Aug-2020	Aug 26, 2020
1002. Find Common Characters.cpp	1002. Find Common Characters.cpp	🚀 25-Sep-2020	Sep 25, 2020
1004. Max Consecutive Ones III.cpp	1004. Max Consecutive Ones III.cpp	🚀 17-Jun-2023	Jun 17, 2023
1007. Minimum Domino Rotations For Equal Row.cpp	1007. Minimum Domino Rotations For Equal Row.cpp	🚀 20-Mar-2022	Mar 20, 2022
1009. Complement of Base 10 Integer.cpp	1009. Complement of Base 10 Integer.cpp	🚀 07-Oct-2020	Oct 7, 2020
101. Symmetric Tree.cpp	101. Symmetric Tree.cpp	🚀 26-Aug-2020	Aug 26, 2020
1010. Pairs of Songs With Total Durations Divisible by 60.cpp	1010. Pairs of Songs With Total Durations Divisible by 60.cpp	🚀 10-Dec-2020	Dec 10, 2020
102. Binary Tree Level Order Traversal.cpp	102. Binary Tree Level Order Traversal.cpp	🚀 25-Aug-2020	Aug 25, 2020
1020. Number of Enclaves.cpp	1020. Number of Enclaves.cpp	🚀 17-Jun-2023	Jun 17, 2023
1021. Remove Outermost Parentheses.cpp	1021. Remove Outermost Parentheses.cpp	🚀 09-Oct-2020	Oct 9, 2020
1022. Sum of Root To Leaf Binary Numbers.cpp	1022. Sum of Root To Leaf Binary Numbers.cpp	🚀 09-Sep-2020	Sep 9, 2020
1025. Divisor Game.cpp	1025. Divisor Game.cpp	🚀 25-Jun-2021	Jun 25, 2021
1029. Two City Scheduling.cpp	1029. Two City Scheduling.cpp	Practise 04-Jun-2020	Jun 4, 2020
103. Binary Tree Zigzag Level Order Traversal.cpp	103. Binary Tree Zigzag Level Order Traversal.cpp	🚀 23-Jul-2020	Jul 23, 2020
1032. Stream of Characters.cpp	1032. Stream of Characters.cpp	🚀 24-Aug-2020	Aug 24, 2020
1037. Valid Boomerang.cpp	1037. Valid Boomerang.cpp	🚀 10-Aug-2020	Aug 10, 2020
104. Maximum Depth of Binary Tree.cpp	104. Maximum Depth of Binary Tree.cpp	🚀 25-Aug-2020	Aug 25, 2020
1041. Robot Bounded In Circle.cpp	1041. Robot Bounded In Circle.cpp	🚀 18-Sep-2020	Sep 18, 2020
1046. Last Stone Weight.cpp	1046. Last Stone Weight.cpp	🚀 17-Jun-2023	Jun 17, 2023
1047. Remove All Adjacent Duplicates In String.cpp	1047. Remove All Adjacent Duplicates In String.cpp	🚀 13-May-2022	May 13, 2022
105. Construct Binary Tree from Preorder and Inorder Traversal.cpp	105. Construct Binary Tree from Preorder and Inorder Traversal.cpp	🚀 26-Aug-2020	Aug 26, 2020
1051. Height Checker.cpp	1051. Height Checker.cpp	🚀 25-Sep-2020	Sep 25, 2020
106. Construct Binary Tree from Inorder and Postorder Traversal.cpp	106. Construct Binary Tree from Inorder and Postorder Traversal.cpp	🚀 26-Aug-2020	Aug 26, 2020
107. Binary Tree Level Order Traversal II.cpp	107. Binary Tree Level Order Traversal II.cpp	🚀 03-Jul-2020	Jul 3, 2020
108. Convert Sorted Array to Binary Search Tree.cpp	108. Convert Sorted Array to Binary Search Tree.cpp	🚀 26-Aug-2020	Aug 26, 2020
1091. Shortest Path in Binary Matrix.cpp	1091. Shortest Path in Binary Matrix.cpp	🚀 29-Jul-2022	Jul 29, 2022
1094. Car Pooling.cpp	1094. Car Pooling.cpp	🚀 22-Sep-2020	Sep 22, 2020
11. Container With Most Water.cpp	11. Container With Most Water.cpp	🚀 16-Apr-2022	Apr 16, 2022
110. Balanced Binary Tree.cpp	110. Balanced Binary Tree.cpp	🚀 26-Aug-2020	Aug 26, 2020
1103. Distribute Candies to People.cpp	1103. Distribute Candies to People.cpp	🚀 17-Aug-2020	Aug 17, 2020
1108. Defanging an IP Address.cpp	1108. Defanging an IP Address.cpp	practise 22-May-2020	May 22, 2020
1122. Relative Sort Array.cpp	1122. Relative Sort Array.cpp	🚀 25-Sep-2020	Sep 25, 2020
113. Path Sum II.cpp	113. Path Sum II.cpp	🚀 16-Aug-2021	Aug 16, 2021
1137. N-th Tribonacci Number.cpp	1137. N-th Tribonacci Number.cpp	🚀 25-Jun-2021	Jun 25, 2021
114. Flatten Binary Tree to Linked List.cpp	114. Flatten Binary Tree to Linked List.cpp	🚀 26-Aug-2020	Aug 26, 2020
1143. Longest Common Subsequence.cpp	1143. Longest Common Subsequence.cpp	🚀 29-Aug-2020	Aug 29, 2020
116. Populating Next Right Pointers in Each Node.cpp	116. Populating Next Right Pointers in Each Node.cpp	🚀 07-Sep-2020	Sep 7, 2020
1160. Find Words That Can Be Formed by Characters.cpp	1160. Find Words That Can Be Formed by Characters.cpp	🚀 25-Sep-2020	Sep 25, 2020
117. Populating Next Right Pointers in Each Node II.cpp	117. Populating Next Right Pointers in Each Node II.cpp	🚀 13-May-2022	May 13, 2022
1170. Compare Strings by Frequency of the Smallest Character.cpp	1170. Compare Strings by Frequency of the Smallest Character.cpp	🚀 07-Oct-2020	Oct 7, 2020
118. Pascal's Triangle.cpp	118. Pascal's Triangle.cpp	Practise 23-Jul-2020	Jun 23, 2020
1189. Maximum Number of Balloons.cpp	1189. Maximum Number of Balloons.cpp	🚀 07-Oct-2020	Oct 7, 2020
119. Pascal's Triangle II.cpp	119. Pascal's Triangle II.cpp	🚀 25-Jun-2021	Jun 25, 2021
1192. Critical Connections in a Network.cpp	1192. Critical Connections in a Network.cpp	🚀 29-Jul-2022	Jul 29, 2022
12. Integer to Roman.cpp	12. Integer to Roman.cpp	🚀 10-Aug-2020	Aug 10, 2020
1202. Smallest String With Swaps.cpp	1202. Smallest String With Swaps.cpp	🚀 13-May-2022	May 13, 2022
1209. Remove All Adjacent Duplicates in String II.cpp	1209. Remove All Adjacent Duplicates in String II.cpp	🚀 13-May-2022	May 13, 2022
121. Best Time to Buy and Sell Stock.cpp	121. Best Time to Buy and Sell Stock.cpp	🚀 22-Aug-2020	Aug 22, 2020
122. Best Time to Buy and Sell Stock II.cpp	122. Best Time to Buy and Sell Stock II.cpp	🚀 27-Jun-2020	Jun 26, 2020
1221. Split a String in Balanced Strings.cpp	1221. Split a String in Balanced Strings.cpp	🚀 11-Aug-2020	Aug 11, 2020
123. Best Time to Buy and Sell Stock III.cpp	123. Best Time to Buy and Sell Stock III.cpp	🚀 17-Aug-2020	Aug 17, 2020
1232. Check If It Is a Straight Line.cpp	1232. Check If It Is a Straight Line.cpp	🚀 24-Jun-2020	Jun 24, 2020
124. Binary Tree Maximum Path Sum.cpp	124. Binary Tree Maximum Path Sum.cpp	Practise 14-Jul-2020	Jun 14, 2020
125. Valid Palindrome.cpp	125. Valid Palindrome.cpp	🚀 04-Aug-2020	Aug 4, 2020
1252. Cells with Odd Values in a Matrix.cpp	1252. Cells with Odd Values in a Matrix.cpp	🚀 24-Sep-2020	Sep 24, 2020
1266. Minimum Time Visiting All Points.cpp	1266. Minimum Time Visiting All Points.cpp	🚀 24-Sep-2020	Sep 24, 2020
128. Longest Consecutive Sequence.cpp	128. Longest Consecutive Sequence.cpp	🚀 24-Aug-2020	Aug 24, 2020
1286. Iterator for Combination.cpp	1286. Iterator for Combination.cpp	🚀 14-Aug-2020	Aug 14, 2020
1288. Remove Covered Intervals.cpp	1288. Remove Covered Intervals.cpp	🚀 07-Oct-2020	Oct 7, 2020
129. Sum Root to Leaf Numbers.cpp	129. Sum Root to Leaf Numbers.cpp	🚀 27-Jun-2020	Jun 26, 2020
1290. Convert Binary Number in a Linked List to Integer.cpp	1290. Convert Binary Number in a Linked List to Integer.cpp	🚀 01-Nov-2020	Nov 1, 2020
1291. Sequential Digits.cpp	1291. Sequential Digits.cpp	🚀 20-Sep-2020	Sep 20, 2020
1295. Find Numbers with Even Number of Digits.cpp	1295. Find Numbers with Even Number of Digits.cpp	🚀 24-Sep-2020	Sep 24, 2020
1299. Replace Elements with Greatest Element on Right Side.cpp	1299. Replace Elements with Greatest Element on Right Side.cpp	🚀 25-Sep-2020	Sep 25, 2020
13. Roman to Integer.cpp	13. Roman to Integer.cpp	🚀 10-Aug-2020	Aug 10, 2020
130. Surrounded Regions.cpp	130. Surrounded Regions.cpp	Practise 18-Jul-2020	Jun 18, 2020
1302. Deepest Leaves Sum.cpp	1302. Deepest Leaves Sum.cpp	🚀 29-Jul-2022	Jul 29, 2022
1304. Find N Unique Integers Sum up to Zero.cpp	1304. Find N Unique Integers Sum up to Zero.cpp	🚀 25-Sep-2020	Sep 25, 2020
1305. All Elements in Two Binary Search Trees.cpp	1305. All Elements in Two Binary Search Trees.cpp	🚀 06-Sep-2020	Sep 6, 2020
1309. Decrypt String from Alphabet to Integer Mapping.cpp	1309. Decrypt String from Alphabet to Integer Mapping.cpp	🚀 11-Aug-2020	Aug 11, 2020
131. Palindrome Partitioning.cpp	131. Palindrome Partitioning.cpp	🚀 02-Aug-2021	Aug 2, 2021
1313. Decompress Run-Length Encoded List.cpp	1313. Decompress Run-Length Encoded List.cpp	practise 22-May-2020	May 22, 2020
132. Palindrome Partitioning II.cpp	132. Palindrome Partitioning II.cpp	🚀 16-Aug-2021	Aug 16, 2021
1323. Maximum 69 Number.cpp	1323. Maximum 69 Number.cpp	🚀 09-Oct-2020	Oct 9, 2020
133. Clone Graph.cpp	133. Clone Graph.cpp	🚀 27-Aug-2020	Aug 27, 2020
1332. Remove Palindromic Subsequences.cpp	1332. Remove Palindromic Subsequences.cpp	🚀 07-Oct-2020	Oct 7, 2020
1337. The K Weakest Rows in a Matrix.cpp	1337. The K Weakest Rows in a Matrix.cpp	🚀 25-Sep-2020	Sep 25, 2020
134. Gas Station.cpp	134. Gas Station.cpp	🚀 24-Sep-2020	Sep 24, 2020
1342. Number of Steps to Reduce a Number to Zero.cpp	1342. Number of Steps to Reduce a Number to Zero.cpp	practise 18-May-2020	May 18, 2020
1344. Angle Between Hands of a Clock.cpp	1344. Angle Between Hands of a Clock.cpp	🚀 15-Jul-2020	Jul 15, 2020
1347. Minimum Number of Steps to Make Two Strings Anagram.cpp	1347. Minimum Number of Steps to Make Two Strings Anagram.cpp	🚀 03-Sep-2020	Sep 3, 2020
135. Candy.cpp	135. Candy.cpp	🚀 01-Jul-2021	Jul 1, 2021
1351. Count Negative Numbers in a Sorted Matrix.cpp	1351. Count Negative Numbers in a Sorted Matrix.cpp	🚀 02-Aug-2021	Aug 2, 2021
136. Single Number.cpp	136. Single Number.cpp	practise 18-May-2020	May 18, 2020
1365. How Many Numbers Are Smaller Than the Current Number.cpp	1365. How Many Numbers Are Smaller Than the Current Number.cpp	🚀 23-Sep-2020	Sep 23, 2020
137. Single Number II.cpp	137. Single Number II.cpp	Practise 23-Jul-2020	Jun 23, 2020
1370. Increasing Decreasing String.cpp	1370. Increasing Decreasing String.cpp	🚀 11-Aug-2020	Aug 11, 2020
1374. Generate a String With Characters That Have Odd Counts.cpp	1374. Generate a String With Characters That Have Odd Counts.cpp	🚀 11-Aug-2020	Aug 11, 2020
1379. Find a Corresponding Node of a Binary Tree in a Clone of That Tree.cpp	1379. Find a Corresponding Node of a Binary Tree in a Clone of That Tree.cpp	🚀 29-Jul-2022	Jul 29, 2022
138. Copy List with Random Pointer.cpp	138. Copy List with Random Pointer.cpp	🚀 17-Jun-2023	Jun 17, 2023
1380. Lucky Numbers in a Matrix.cpp	1380. Lucky Numbers in a Matrix.cpp	🚀 25-Sep-2020	Sep 25, 2020
1385. Find the Distance Value Between Two Arrays.cpp	1385. Find the Distance Value Between Two Arrays.cpp	🚀 26-Sep-2020	Sep 26, 2020
1387. Sort Integers by The Power Value.cpp	1387. Sort Integers by The Power Value.cpp	🚀 24-Nov-2020	Nov 24, 2020
1389. Create Target Array in the Given Order.cpp	1389. Create Target Array in the Given Order.cpp	🚀 23-Sep-2020	Sep 23, 2020
139. Word Break.cpp	139. Word Break.cpp	🚀 07-Sep-2020	Sep 7, 2020
1396. Design Underground System.cpp	1396. Design Underground System.cpp	🚀 13-May-2022	May 13, 2022
14. Longest Common Prefix.cpp	14. Longest Common Prefix.cpp	🚀 02-Sep-2020	Sep 2, 2020
1401A - Distance and Axis.cpp	1401A - Distance and Axis.cpp	🚀 21-May-2021	May 21, 2021
1408. String Matching in an Array.cpp	1408. String Matching in an Array.cpp	🚀 07-Oct-2020	Oct 7, 2020
141. Linked List Cycle.cpp	141. Linked List Cycle.cpp	🚀 17-Jun-2023	Jun 17, 2023
142. Linked List Cycle II.cpp	142. Linked List Cycle II.cpp	🚀 23-Aug-2020	Aug 23, 2020
143. Reorder List.cpp	143. Reorder List.cpp	🚀 21-Aug-2020	Aug 21, 2020
1431. Kids With the Greatest Number of Candies.cpp	1431. Kids With the Greatest Number of Candies.cpp	🚀 17-Jun-2023	Jun 17, 2023
1436. Destination City.cpp	1436. Destination City.cpp	🚀 11-Aug-2020	Aug 11, 2020
144. Binary Tree Preorder Traversal.cpp	144. Binary Tree Preorder Traversal.cpp	Practise 06-Jun-2020	Jun 6, 2020
1441. Build an Array With Stack Operations.cpp	1441. Build an Array With Stack Operations.cpp	🚀 09-Oct-2020	Oct 9, 2020
1446. Consecutive Characters.cpp	1446. Consecutive Characters.cpp	🚀 18-Nov-2020	Nov 18, 2020
1448. Count Good Nodes in Binary Tree.cpp	1448. Count Good Nodes in Binary Tree.cpp	🚀 15-Oct-2021	Oct 15, 2021
145. Binary Tree Postorder Traversal.cpp	145. Binary Tree Postorder Traversal.cpp	Practise 06-Jun-2020	Jun 6, 2020
1450. Number of Students Doing Homework at a Given Time.cpp	1450. Number of Students Doing Homework at a Given Time.cpp	🚀 24-Sep-2020	Sep 24, 2020
1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence.cpp	1455. Check If a Word Occurs As a Prefix of Any Word in a Sentence.cpp	🚀 07-Oct-2020	Oct 7, 2020
1456. Maximum Number of Vowels in a Substring of Given Length.cpp	1456. Maximum Number of Vowels in a Substring of Given Length.cpp	🚀 17-Jun-2023	Jun 17, 2023
146. LRU Cache.cpp	146. LRU Cache.cpp	🚀 19-Aug-2020	Aug 19, 2020
1460. Make Two Arrays Equal by Reversing Sub-arrays.cpp	1460. Make Two Arrays Equal by Reversing Sub-arrays.cpp	🚀 24-Sep-2020	Sep 24, 2020
1464. Maximum Product of Two Elements in an Array.cpp	1464. Maximum Product of Two Elements in an Array.cpp	🚀 24-Sep-2020	Sep 24, 2020
147. Insertion Sort List.cpp	147. Insertion Sort List.cpp	🚀 18-Nov-2020	Nov 18, 2020
1470. Shuffle the Array.cpp	1470. Shuffle the Array.cpp	🚀 18-Sep-2020	Sep 18, 2020
1475. Final Prices With a Special Discount in a Shop.cpp	1475. Final Prices With a Special Discount in a Shop.cpp	🚀 25-Sep-2020	Sep 25, 2020
148. Sort List.cpp	148. Sort List.cpp	🚀 17-Jun-2023	Jun 17, 2023
1480. Running Sum of 1d Array.cpp	1480. Running Sum of 1d Array.cpp	🚀 17-Jun-2023	Jun 17, 2023
1486. XOR Operation in an Array.cpp	1486. XOR Operation in an Array.cpp	rocket: 12-Aug-2020	Aug 12, 2020
1491. Average Salary Excluding the Minimum and Maximum Salary.cpp	1491. Average Salary Excluding the Minimum and Maximum Salary.cpp	🚀 17-Jun-2023	Jun 17, 2023
1492. The kth Factor of n.cpp	1492. The kth Factor of n.cpp	🚀 05-Dec-2020	Dec 5, 2020
1498. Number of Subsequences That Satisfy the Given Sum Condition.cpp	1498. Number of Subsequences That Satisfy the Given Sum Condition.cpp	🚀 17-Jun-2023	Jun 17, 2023
15. 3Sum.cpp	15. 3Sum.cpp	🚀 24-Aug-2020	Aug 24, 2020
1502. Can Make Arithmetic Progression From Sequence.cpp	1502. Can Make Arithmetic Progression From Sequence.cpp	🚀 25-Sep-2020	Sep 25, 2020
1507. Reformat Date.cpp	1507. Reformat Date.cpp	🚀 07-Oct-2020	Oct 7, 2020
151. Reverse Words in a String.cpp	151. Reverse Words in a String.cpp	🚀 16-Jul-2020	Jul 16, 2020
1512. Number of Good Pairs.cpp	1512. Number of Good Pairs.cpp	🚀 23-Sep-2020	Sep 23, 2020
152. Maximum Product Subarray.cpp	152. Maximum Product Subarray.cpp	🚀 28-Aug-2020	Aug 28, 2020
1534. Count Good Triplets.cpp	1534. Count Good Triplets.cpp	🚀 24-Sep-2020	Sep 24, 2020
154. Find Minimum in Rotated Sorted Array II.cpp	154. Find Minimum in Rotated Sorted Array II.cpp	🚀 26-Jul-2020	Jul 26, 2020
1544. Make The String Great.cpp	1544. Make The String Great.cpp	🚀 09-Aug-2020	Aug 9, 2020
1550. Three Consecutive Odds.cpp	1550. Three Consecutive Odds.cpp	🚀 16-Aug-2020	Aug 16, 2020
1551. Minimum Operations to Make Array Equal.cpp	1551. Minimum Operations to Make Array Equal.cpp	🚀 16-Aug-2020	Aug 16, 2020
1553. Minimum Number of Days to Eat N Oranges.cpp	1553. Minimum Number of Days to Eat N Oranges.cpp	🚀 01-Jul-2021	Jul 1, 2021
1556. Thousand Separator.cpp	1556. Thousand Separator.cpp	🚀 07-Oct-2020	Oct 7, 2020
1557. Minimum Number of Vertices to Reach All Nodes.cpp	1557. Minimum Number of Vertices to Reach All Nodes.cpp	🚀 16-Apr-2022	Apr 16, 2022
1560. Most Visited Sector in a Circular Track.cpp	1560. Most Visited Sector in a Circular Track.cpp	🚀 24-Aug-2020	Aug 24, 2020
1572. Matrix Diagonal Sum.cpp	1572. Matrix Diagonal Sum.cpp	🚀 17-Jun-2023	Jun 17, 2023
1576. Replace All 's to Avoid Consecutive Repeating Characters.cpp	1576. Replace All 's to Avoid Consecutive Repeating Characters.cpp	🚀 06-Sep-2020	Sep 6, 2020
1577. Number of Ways Where Square of Number Is Equal to Product of Two Numbers.cpp	1577. Number of Ways Where Square of Number Is Equal to Product of Two Numbers.cpp	🚀 06-Sep-2020	Sep 6, 2020
1578. Minimum Deletion Cost to Avoid Repeating Letters.cpp	1578. Minimum Deletion Cost to Avoid Repeating Letters.cpp	🚀 06-Sep-2020	Sep 6, 2020
1582. Special Positions in a Binary Matrix.cpp	1582. Special Positions in a Binary Matrix.cpp	🚀 13-Sep-2020	Sep 13, 2020
1588. Sum of All Odd Length Subarrays.cpp	1588. Sum of All Odd Length Subarrays.cpp	🚀 24-Sep-2020	Sep 24, 2020
1592. Rearrange Spaces Between Words.cpp	1592. Rearrange Spaces Between Words.cpp	🚀 20-Sep-2020	Sep 20, 2020
1598. Crawler Log Folder.cpp	1598. Crawler Log Folder.cpp	🚀 27-Sep-2020	Sep 27, 2020
160. Intersection of Two Linked Lists.cpp	160. Intersection of Two Linked Lists.cpp	🚀 17-Jun-2023	Jun 17, 2023
1603. Design Parking System.cpp	1603. Design Parking System.cpp	🚀 17-Jun-2023	Jun 17, 2023
1608. Special Array With X Elements Greater Than or Equal X.cpp	1608. Special Array With X Elements Greater Than or Equal X.cpp	🚀 04-Oct-2020	Oct 4, 2020
1609. Even Odd Tree.cpp	1609. Even Odd Tree.cpp	🚀 04-Oct-2020	Oct 4, 2020
1614. Maximum Nesting Depth of the Parentheses.cpp	1614. Maximum Nesting Depth of the Parentheses.cpp	🚀 13-Oct-2020	Oct 13, 2020
1615. Maximal Network Rank.cpp	1615. Maximal Network Rank.cpp	🚀 13-Oct-2020	Oct 13, 2020
1624. Largest Substring Between Two Equal Characters.cpp	1624. Largest Substring Between Two Equal Characters.cpp	🚀 01-Nov-2020	Nov 1, 2020
1629. Slowest Key.cpp	1629. Slowest Key.cpp	🚀 01-Nov-2020	Nov 1, 2020
1630. Arithmetic Subarrays.cpp	1630. Arithmetic Subarrays.cpp	🚀 01-Nov-2020	Nov 1, 2020
1641. Count Sorted Vowel Strings.cpp	1641. Count Sorted Vowel Strings.cpp	🚀 13-May-2022	May 13, 2022
165. Compare Version Numbers.cpp	165. Compare Version Numbers.cpp	🚀 03-Sep-2020	Sep 3, 2020
1656. Design an Ordered Stream.cpp	1656. Design an Ordered Stream.cpp	🚀 18-Nov-2020	Nov 18, 2020
1657. Determine if Two Strings Are Close.cpp	1657. Determine if Two Strings Are Close.cpp	🚀 18-Nov-2020	Nov 18, 2020
1679. Max Number of K-Sum Pairs.cpp	1679. Max Number of K-Sum Pairs.cpp	🚀 13-May-2022	May 13, 2022
168. Excel Sheet Column Title.cpp	168. Excel Sheet Column Title.cpp	🚀 27-Jun-2020	Jun 26, 2020
169. Majority Element.cpp	169. Majority Element.cpp	♻️ 13-Aug-2020	Aug 13, 2020
17. Letter Combinations of a Phone Number.cpp	17. Letter Combinations of a Phone Number.cpp	🚀 13-May-2022	May 13, 2022
171. Excel Sheet Column Number.cpp	171. Excel Sheet Column Number.cpp	🚀 08-Aug-2020	Aug 8, 2020
1716. Calculate Money in Leetcode Bank.cpp	1716. Calculate Money in Leetcode Bank.cpp	🚀 10-Jan-2021	Jan 10, 2021
172. Factorial Trailing Zeroes.cpp	172. Factorial Trailing Zeroes.cpp	🚀 27-Jun-2020	Jun 26, 2020
1721. Swapping Nodes in a Linked List.cpp	1721. Swapping Nodes in a Linked List.cpp	🚀 17-Jun-2023	Jun 17, 2023
173. Binary Search Tree Iterator.cpp	173. Binary Search Tree Iterator.cpp	🚀 22-Apr-2022	Apr 21, 2022
174. Dungeon Game.cpp	174. Dungeon Game.cpp	Practise 22-Jul-2020	Jun 22, 2020
1768. Merge Strings Alternately.cpp	1768. Merge Strings Alternately.cpp	🚀 17-Jun-2023	Jun 17, 2023
179. Largest Number.cpp	179. Largest Number.cpp	🚀 25-Sep-2020	Sep 25, 2020
1791. Find Center of Star Graph.cpp	1791. Find Center of Star Graph.cpp	🚀 16-Apr-2022	Apr 16, 2022
18. 4Sum.cpp	18. 4Sum.cpp	🚀 24-Aug-2020	Aug 24, 2020
1822. Sign of the Product of an Array.cpp	1822. Sign of the Product of an Array.cpp	🚀 17-Jun-2023	Jun 17, 2023
1854. Maximum Population Year.cpp	1854. Maximum Population Year.cpp	🚀 09-May-2021	May 9, 2021
1855. Maximum Distance Between a Pair of Values.cpp	1855. Maximum Distance Between a Pair of Values.cpp	🚀 09-May-2021	May 9, 2021
1863. Sum of All Subset XOR Totals.cpp	1863. Sum of All Subset XOR Totals.cpp	🚀 30-May-2021	May 30, 2021
1864. Minimum Number of Swaps to Make the Binary String Alternating.cpp	1864. Minimum Number of Swaps to Make the Binary String Alternating.cpp	🚀 30-May-2021	May 30, 2021
1880. Check if Word Equals Summation of Two Words.cpp	1880. Check if Word Equals Summation of Two Words.cpp	🚀 25-Jun-2021	Jun 25, 2021
1881. Maximum Value after Insertion.cpp	1881. Maximum Value after Insertion.cpp	🚀 25-Jun-2021	Jun 25, 2021
1884. Egg Drop With 2 Eggs and N Floors.cpp	1884. Egg Drop With 2 Eggs and N Floors.cpp	🚀 01-Jul-2021	Jul 1, 2021
19. Remove Nth Node From End of List.cpp	19. Remove Nth Node From End of List.cpp	🚀 17-Jun-2023	Jun 17, 2023
190. Reverse Bits.cpp	190. Reverse Bits.cpp	🚀 13-Jul-2020	Jul 13, 2020
191. Number of 1 Bits.cpp	191. Number of 1 Bits.cpp	🚀 06-Jul-2020	Jul 6, 2020
1913. Maximum Product Difference Between Two Pairs.cpp	1913. Maximum Product Difference Between Two Pairs.cpp	🚀 01-Jul-2021	Jul 1, 2021
1914. Cyclically Rotating a Grid.cpp	1914. Cyclically Rotating a Grid.cpp	🚀 01-Jul-2021	Jul 1, 2021
1964. Find the Longest Valid Obstacle Course at Each Position.cpp	1964. Find the Longest Valid Obstacle Course at Each Position.cpp	🚀 17-Jun-2023	Jun 17, 2023
1971. Find if Path Exists in Graph.cpp	1971. Find if Path Exists in Graph.cpp	🚀 16-Apr-2022	Apr 16, 2022
198. House Robber.cpp	198. House Robber.cpp	🚀 01-Nov-2020	Nov 1, 2020
2. Add Two Numbers.cpp	2. Add Two Numbers.cpp	🚀 17-Jun-2023	Jun 17, 2023
200. Number of Islands.cpp	200. Number of Islands.cpp	🚀 27-Aug-2020	Aug 27, 2020
203. Remove Linked List Elements.cpp	203. Remove Linked List Elements.cpp	🚀 17-Jun-2023	Jun 17, 2023
204. Count Primes.cpp	204. Count Primes.cpp	🚀 10-Aug-2020	Aug 10, 2020
205. Isomorphic Strings.cpp	205. Isomorphic Strings.cpp	🚀 17-Jun-2023	Jun 17, 2023
206. Reverse Linked List.cpp	206. Reverse Linked List.cpp	🚀 17-Jun-2023	Jun 17, 2023
207. Course Schedule.cpp	207. Course Schedule.cpp	🚀 13-May-2022	May 13, 2022
209. Minimum Size Subarray Sum.cpp	209. Minimum Size Subarray Sum.cpp	🚀 17-Jun-2023	Jun 17, 2023
21. Merge Two Sorted Lists.cpp	21. Merge Two Sorted Lists.cpp	🚀 17-Jun-2023	Jun 17, 2023
210. Course Schedule II.cpp	210. Course Schedule II.cpp	🚀 19-Jul-2020	Jul 19, 2020
211. Add and Search Word - Data structure design.cpp	211. Add and Search Word - Data structure design.cpp	🚀 06-Aug-2020	Aug 6, 2020
212. Word Search II.cpp	212. Word Search II.cpp	🚀 01-Jul-2020	Jul 1, 2020
213. House Robber II.cpp	213. House Robber II.cpp	🚀 01-Nov-2020	Nov 1, 2020
2130. Maximum Twin Sum of a Linked List.cpp	2130. Maximum Twin Sum of a Linked List.cpp	🚀 17-Jun-2023	Jun 17, 2023
215. Kth Largest Element in an Array.cpp	215. Kth Largest Element in an Array.cpp	🚀 04-Sep-2020	Sep 4, 2020
216. Combination Sum III.cpp	216. Combination Sum III.cpp	🚀 13-May-2022	May 13, 2022
220. Contains Duplicate III.cpp	220. Contains Duplicate III.cpp	🚀 03-Sep-2020	Sep 3, 2020
221. Maximal Square.cpp	221. Maximal Square.cpp	🚀 02-Aug-2021	Aug 2, 2021
2215. Find the Difference of Two Arrays.cpp	2215. Find the Difference of Two Arrays.cpp	🚀 17-Jun-2023	Jun 17, 2023
222. Count Complete Tree Nodes.cpp	222. Count Complete Tree Nodes.cpp	🚀 24-Jun-2020	Jun 24, 2020
225. Implement Stack using Queues.cpp	225. Implement Stack using Queues.cpp	🚀 13-May-2022	May 13, 2022
226. Invert Binary Tree.cpp	226. Invert Binary Tree.cpp	Practise 05-Jun-2020	Jun 5, 2020
229. Majority Element II.cpp	229. Majority Element II.cpp	🚀 22-Sep-2020	Sep 22, 2020
230. Kth Smallest Element in a BST.cpp	230. Kth Smallest Element in a BST.cpp	🚀 22-Apr-2022	Apr 21, 2022
231. Power of Two.cpp	231. Power of Two.cpp	🚀 19-Aug-2020	Aug 19, 2020
234. Palindrome Linked List.cpp	234. Palindrome Linked List.cpp	🚀 17-Jun-2023	Jun 17, 2023
235. Lowest Common Ancestor of a Binary Search Tree.cpp	235. Lowest Common Ancestor of a Binary Search Tree.cpp	🚀 26-Aug-2020	Aug 26, 2020
236. Lowest Common Ancestor of a Binary Tree.cpp	236. Lowest Common Ancestor of a Binary Tree.cpp	🚀 26-Aug-2020	Aug 26, 2020
237. Delete Node in a Linked List.cpp	237. Delete Node in a Linked List.cpp	🚀 17-Jun-2023	Jun 17, 2023
2389. Longest Subsequence With Limited Sum.cpp	2389. Longest Subsequence With Limited Sum.cpp	🚀 17-Jun-2023	Jun 17, 2023
239. Sliding Window Maximum.cpp	239. Sliding Window Maximum.cpp	🚀 17-Jun-2023	Jun 17, 2023
24. Swap Nodes in Pairs.cpp	24. Swap Nodes in Pairs.cpp	🚀 17-Jun-2023	Jun 17, 2023
242. Valid Anagram.cpp	242. Valid Anagram.cpp	🚀 03-Sep-2020	Sep 3, 2020
2487. Remove Nodes From Linked List.cpp	2487. Remove Nodes From Linked List.cpp	🚀 17-Jun-2023	Jun 17, 2023
25. Reverse Nodes in k-Group.cpp	25. Reverse Nodes in k-Group.cpp	🚀 23-Aug-2020	Aug 23, 2020
2500. Delete Greatest Value in Each Row.cpp	2500. Delete Greatest Value in Each Row.cpp	🚀 17-Jun-2023	Jun 17, 2023
258. Add Digits.cpp	258. Add Digits.cpp	🚀 27-Jul-2020	Jul 27, 2020
26. Remove Duplicates from Sorted Array.cpp	26. Remove Duplicates from Sorted Array.cpp	🚀 24-Aug-2020	Aug 24, 2020
260. Single Number III.cpp	260. Single Number III.cpp	🚀 25-Jul-2020	Jul 25, 2020
264. Ugly Number II.cpp	264. Ugly Number II.cpp	🚀 05-Jul-2020	Jul 5, 2020
2643. Row With Maximum Ones.cpp	2643. Row With Maximum Ones.cpp	🚀 17-Jun-2023	Jun 17, 2023
2644. Find the Maximum Divisibility Score.cpp	2644. Find the Maximum Divisibility Score.cpp	🚀 17-Jun-2023	Jun 17, 2023
2645. Minimum Additions to Make Valid String.cpp	2645. Minimum Additions to Make Valid String.cpp	🚀 17-Jun-2023	Jun 17, 2023
268. Missing Number.cpp	268. Missing Number.cpp	🚀 04-Aug-2020	Aug 4, 2020
274. H-Index.cpp	274. H-Index.cpp	rocket: 12-Aug-2020	Aug 12, 2020
275. H-Index II.cpp	275. H-Index II.cpp	rocket: 12-Aug-2020	Aug 12, 2020
279. Perfect Squares.cpp	279. Perfect Squares.cpp	🚀 28-Jun-2020	Jun 28, 2020
28. Implement strStr().cpp	28. Implement strStr().cpp	rocket: 12-Aug-2020	Aug 12, 2020
283. Move Zeroes.cpp	283. Move Zeroes.cpp	practise 18-May-2020	May 18, 2020
284. Peeking Iterator.cpp	284. Peeking Iterator.cpp	🚀 13-May-2022	May 13, 2022
287. Find the Duplicate Number.cpp	287. Find the Duplicate Number.cpp	🚀 04-Aug-2020	Aug 4, 2020
29. Divide Two Integers.cpp	29. Divide Two Integers.cpp	🚀 20-Aug-2020	Aug 20, 2020
290. Word Pattern.cpp	290. Word Pattern.cpp	🚀 08-Sep-2020	Sep 8, 2020
295. Find Median from Data Stream.cpp	295. Find Median from Data Stream.cpp	🚀 04-Sep-2020	Sep 4, 2020
297. Serialize and Deserialize Binary Tree.cpp	297. Serialize and Deserialize Binary Tree.cpp	🚀 07-Sep-2020	Sep 7, 2020
299. Bulls and Cows.cpp	299. Bulls and Cows.cpp	🚀 11-Sep-2020	Sep 11, 2020
3. Longest Substring Without Repeating Characters.cpp	3. Longest Substring Without Repeating Characters.cpp	🚀 17-Jun-2023	Jun 17, 2023
300. Longest Increasing Subsequence.cpp	300. Longest Increasing Subsequence.cpp	🚀 29-Aug-2020	Aug 29, 2020
303. Range Sum Query - Immutable.cpp	303. Range Sum Query - Immutable.cpp	🚀 25-Jun-2021	Jun 25, 2021
309. Best Time to Buy and Sell Stock with Cooldown.cpp	309. Best Time to Buy and Sell Stock with Cooldown.cpp	🚀 30-Jul-2020	Jul 30, 2020
31. Next Permutation.cpp	31. Next Permutation.cpp	🚀 22-Aug-2020	Aug 22, 2020
316. Remove Duplicate Letters.cpp	316. Remove Duplicate Letters.cpp	🚀 12-Oct-2020	Oct 12, 2020
319. Bulb Switcher.cpp	319. Bulb Switcher.cpp	🚀 17-Jun-2023	Jun 17, 2023
322. Coin Change.cpp	322. Coin Change.cpp	Practise 10-Jun-2020	Jun 10, 2020
326. Power of Three.cpp	326. Power of Three.cpp	🚀 10-Aug-2020	Aug 10, 2020
328. Odd Even Linked List.cpp	328. Odd Even Linked List.cpp	🚀 17-Jun-2023	Jun 17, 2023
329. Longest Increasing Path in a Matrix.cpp	329. Longest Increasing Path in a Matrix.cpp	🚀 29-Jul-2022	Jul 29, 2022
33. Search in Rotated Sorted Array.cpp	33. Search in Rotated Sorted Array.cpp	🚀 03-Jul-2020	Jul 3, 2020
332. Reconstruct Itinerary.cpp	332. Reconstruct Itinerary.cpp	🚀 29-Jun-2020	Jun 29, 2020
338. Counting Bits.cpp	338. Counting Bits.cpp	🚀 20-Mar-2022	Mar 20, 2022
34. Find First and Last Position of Element in Sorted Array.cpp	34. Find First and Last Position of Element in Sorted Array.cpp	🚀 04-Jul-2020	Jul 4, 2020
341. Flatten Nested List Iterator.cpp	341. Flatten Nested List Iterator.cpp	🚀 13-May-2022	May 13, 2022
342. Power of Four.cpp	342. Power of Four.cpp	🚀 05-Aug-2020	Aug 5, 2020
344. Reverse String.cpp	344. Reverse String.cpp	Practise 05-Jun-2020	Jun 5, 2020
347. Top K Frequent Elements.cpp	347. Top K Frequent Elements.cpp	Practise 17-Jul-2020	Jun 17, 2020
35. Search Insert Position.cpp	35. Search Insert Position.cpp	Practice 11-Jun-2020	Jun 11, 2020
36. Valid Sudoku.cpp	36. Valid Sudoku.cpp	🚀 15-Oct-2021	Oct 15, 2021
367. Valid Perfect Square.cpp	367. Valid Perfect Square.cpp	🚀 10-Aug-2020	Aug 10, 2020
368. Largest Divisible Subset.cpp	368. Largest Divisible Subset.cpp	Practise 14-Jul-2020	Jun 14, 2020
38. Count and Say.cpp	38. Count and Say.cpp	🚀 03-Sep-2020	Sep 3, 2020
380. Insert Delete GetRandom O(1).cpp	380. Insert Delete GetRandom O(1).cpp	Practise 13-Jun-2020	Jun 13, 2020
382. Linked List Random Node.cpp	382. Linked List Random Node.cpp	🚀 05-Dec-2020	Dec 5, 2020
389. Find the Difference.cpp	389. Find the Difference.cpp	🚀 24-Sep-2020	Sep 24, 2020
39. Combination Sum.cpp	39. Combination Sum.cpp	🚀 17-Jun-2023	Jun 17, 2023
392. Is Subsequence.cpp	392. Is Subsequence.cpp	🚀 17-Jun-2023	Jun 17, 2023
399. Evaluate Division.cpp	399. Evaluate Division.cpp	🚀 13-May-2022	May 13, 2022
40. Combination Sum II.cpp	40. Combination Sum II.cpp	🚀 17-Jun-2023	Jun 17, 2023
404. Sum of Left Leaves.cpp	404. Sum of Left Leaves.cpp	🚀 24-Aug-2020	Aug 24, 2020
406. Queue Reconstruction by Height.cpp	406. Queue Reconstruction by Height.cpp	Practise 07-Jul-2020	Jun 7, 2020
409. Longest Palindrome.cpp	409. Longest Palindrome.cpp	🚀 14-Aug-2020	Aug 14, 2020
412. Fizz Buzz.cpp	412. Fizz Buzz.cpp	🚀 27-Aug-2020	Aug 27, 2020
415. Add Strings.cpp	415. Add Strings.cpp	🚀 16-Aug-2021	Aug 16, 2021
416. Partition Equal Subset Sum.cpp	416. Partition Equal Subset Sum.cpp	🚀 07-Sep-2020	Sep 7, 2020
42. Trapping Rain Water.cpp	42. Trapping Rain Water.cpp	🚀 20-Aug-2020	Aug 20, 2020
424. Longest Repeating Character Replacement.cpp	424. Longest Repeating Character Replacement.cpp	🚀 17-Jun-2023	Jun 17, 2023
429. N-ary Tree Level Order Traversal.cpp	429. N-ary Tree Level Order Traversal.cpp	🚀 16-Aug-2021	Aug 16, 2021
43. Multiply Strings.cpp	43. Multiply Strings.cpp	🚀 17-Jun-2023	Jun 17, 2023
430. Flatten a Multilevel Doubly Linked List.cpp	430. Flatten a Multilevel Doubly Linked List.cpp	🚀 17-Jun-2023	Jun 17, 2023
435. Non-overlapping Intervals.cpp	435. Non-overlapping Intervals.cpp	🚀 16-Aug-2020	Aug 16, 2020
436. Find Right Interval.cpp	436. Find Right Interval.cpp	🚀 17-Jun-2023	Jun 17, 2023
438. Find All Anagrams in a String.cpp	438. Find All Anagrams in a String.cpp	🚀 17-Jun-2023	Jun 17, 2023
441. Arranging Coins.cpp	441. Arranging Coins.cpp	🚀 02-Jul-2020	Jul 2, 2020
442. Find All Duplicates in an Array.cpp	442. Find All Duplicates in an Array.cpp	🚀 07-Aug-2020	Aug 7, 2020
443. String Compression.cpp	443. String Compression.cpp	🚀 29-Jul-2022	Jul 29, 2022
445. Add Two Numbers II.cpp	445. Add Two Numbers II.cpp	🚀 17-Jun-2023	Jun 17, 2023
448. Find All Numbers Disappeared in an Array.cpp	448. Find All Numbers Disappeared in an Array.cpp	🚀 02-Aug-2021	Aug 2, 2021
449. Serialize and Deserialize BST.cpp	449. Serialize and Deserialize BST.cpp	🚀 09-Oct-2020	Oct 9, 2020
452. Minimum Number of Arrows to Burst Balloons.cpp	452. Minimum Number of Arrows to Burst Balloons.cpp	🚀 12-Oct-2020	Oct 12, 2020
454. 4Sum II.cpp	454. 4Sum II.cpp	🚀 18-Dec-2020	Dec 18, 2020
456. 132 Pattern.cpp	456. 132 Pattern.cpp	🚀 13-May-2022	May 13, 2022
459. Repeated Substring Pattern.cpp	459. Repeated Substring Pattern.cpp	🚀 04-Sep-2020	Sep 4, 2020
46. Permutations.cpp	46. Permutations.cpp	🚀 08-Sep-2020	Sep 8, 2020
461. Hamming Distance.cpp	461. Hamming Distance.cpp	🚀 06-Jul-2020	Jul 6, 2020
463. Island Perimeter.cpp	463. Island Perimeter.cpp	🚀 08-Jul-2020	Jul 8, 2020
468. Validate IP Address.cpp	468. Validate IP Address.cpp	Practise 17-Jul-2020	Jun 17, 2020
47. Permutations II.cpp	47. Permutations II.cpp	🚀 13-May-2022	May 13, 2022
470. Implement Rand10() Using Rand7().cpp	470. Implement Rand10() Using Rand7().cpp	🚀 29-Aug-2020	Aug 29, 2020
476. Number Complement.cpp	476. Number Complement.cpp	rocket: 12-Aug-2020	Aug 12, 2020
477. Total Hamming Distance.cpp	477. Total Hamming Distance.cpp	🚀 01-Sep-2020	Sep 1, 2020
48. Rotate Image.cpp	48. Rotate Image.cpp	🚀 07-Aug-2020	Aug 7, 2020
485. Max Consecutive Ones.cpp	485. Max Consecutive Ones.cpp	🚀 24-Aug-2020	Aug 24, 2020
49. Group Anagrams.cpp	49. Group Anagrams.cpp	🚀 17-Jun-2023	Jun 17, 2023
495. Teemo Attacking.cpp	495. Teemo Attacking.cpp	🚀 26-Sep-2020	Sep 26, 2020
496. Next Greater Element I.cpp	496. Next Greater Element I.cpp	🚀 10-Oct-2020	Oct 10, 2020
5. Longest Palindromic Substring.cpp	5. Longest Palindromic Substring.cpp	🚀 02-Sep-2020	Sep 2, 2020
50. Pow(x, n).cpp	50. Pow(x, n).cpp	🚀 17-Jul-2020	Jul 17, 2020
507. Perfect Number.cpp	507. Perfect Number.cpp	🚀 10-Aug-2020	Aug 10, 2020
509. Fibonacci Number.cpp	509. Fibonacci Number.cpp	🚀 25-Sep-2020	Sep 25, 2020
518. Coin Change 2.cpp	518. Coin Change 2.cpp	Practise 07-Jul-2020	Jun 8, 2020
520. Detect Capital.cpp	520. Detect Capital.cpp	🚀 02-Aug-2020	Aug 2, 2020
528. Random Pick with Weight.cpp	528. Random Pick with Weight.cpp	Practise 06-Jun-2020	Jun 6, 2020
53. Maximum Subarray.cpp	53. Maximum Subarray.cpp	🚀 27-Jun-2020	Jun 26, 2020
532. K-diff Pairs in an Array.cpp	532. K-diff Pairs in an Array.cpp	🚀 04-Oct-2020	Oct 4, 2020
535. Encode and Decode TinyURL.cpp	535. Encode and Decode TinyURL.cpp	🚀 13-May-2022	May 13, 2022
54. Spiral Matrix.cpp	54. Spiral Matrix.cpp	🚀 17-Jun-2023	Jun 17, 2023
543. Diameter of Binary Tree.cpp	543. Diameter of Binary Tree.cpp	🚀 25-Aug-2020	Aug 25, 2020
547. Number of Provinces.cpp	547. Number of Provinces.cpp	🚀 16-Apr-2022	Apr 16, 2022
557. Reverse Words in a String III.cpp	557. Reverse Words in a String III.cpp	🚀 11-Aug-2020	Aug 11, 2020
56. Merge Intervals.cpp	56. Merge Intervals.cpp	🚀 06-Aug-2020	Aug 6, 2020
560. Subarray Sum Equals K.cpp	560. Subarray Sum Equals K.cpp	🚀 25-Jun-2021	Jun 25, 2021
561. Array Partition I.cpp	561. Array Partition I.cpp	🚀 25-Sep-2020	Sep 25, 2020
567. Permutation in String.cpp	567. Permutation in String.cpp	🚀 17-Jun-2023	Jun 17, 2023
58. Length of Last Word.cpp	58. Length of Last Word.cpp	🚀 16-Sep-2020	Sep 16, 2020
581. Shortest Unsorted Continuous Subarray.cpp	581. Shortest Unsorted Continuous Subarray.cpp	🚀 13-May-2022	May 13, 2022
59. Spiral Matrix II.cpp	59. Spiral Matrix II.cpp	🚀 17-Jun-2023	Jun 17, 2023
593. Valid Square.cpp	593. Valid Square.cpp	🚀 18-Nov-2020	Nov 18, 2020
60. Permutation Sequence.cpp	60. Permutation Sequence.cpp	Practise 21-Jul-2020	Jun 21, 2020
605. Can Place Flowers.cpp	605. Can Place Flowers.cpp	🚀 05-Dec-2020	Dec 5, 2020
61. Rotate List.cpp	61. Rotate List.cpp	🚀 17-Jun-2023	Jun 17, 2023
62. Unique Paths.cpp	62. Unique Paths.cpp	🚀 01-Jul-2021	Jul 1, 2021
621. Task Scheduler.cpp	621. Task Scheduler.cpp	🚀 02-Aug-2021	Aug 2, 2021
63. Unique Paths II.cpp	63. Unique Paths II.cpp	🚀 29-Jul-2022	Jul 29, 2022
633. Sum of Square Numbers.cpp	633. Sum of Square Numbers.cpp	🚀 10-Aug-2020	Aug 10, 2020
64. Minimum Path Sum.cpp	64. Minimum Path Sum.cpp	🚀 01-Jul-2021	Jul 1, 2021
645. Set Mismatch.cpp	645. Set Mismatch.cpp	🚀 30-Aug-2020	Aug 30, 2020
649. Dota2 Senate.cpp	649. Dota2 Senate.cpp	🚀 17-Jun-2023	Jun 17, 2023
653. Two Sum IV - Input is a BST.cpp	653. Two Sum IV - Input is a BST.cpp	🚀 07-Sep-2020	Sep 7, 2020
657. Robot Return to Origin.cpp	657. Robot Return to Origin.cpp	🚀 11-Aug-2020	Aug 11, 2020
658. Find K Closest Elements.cpp	658. Find K Closest Elements.cpp	Practise 16-Jun-2020	Jun 16, 2020
66. Plus One.cpp	66. Plus One.cpp	🚀 07-Jul-2020	Jul 7, 2020
662. Maximum Width of Binary Tree.cpp	662. Maximum Width of Binary Tree.cpp	🚀 10-Jul-2020	Jul 10, 2020
67. Add Binary.cpp	67. Add Binary.cpp	🚀 20-Jul-2020	Jul 20, 2020
671. Second Minimum Node In a Binary Tree.cpp	671. Second Minimum Node In a Binary Tree.cpp	🚀 22-Apr-2022	Apr 21, 2022
682. Baseball Game.cpp	682. Baseball Game.cpp	🚀 10-Oct-2020	Oct 10, 2020
684. Redundant Connection.cpp	684. Redundant Connection.cpp	🚀 22-Apr-2022	Apr 21, 2022
686. Repeated String Match.cpp	686. Repeated String Match.cpp	rocket: 12-Aug-2020	Aug 12, 2020
69. Sqrt(x).cpp	69. Sqrt(x).cpp	🚀 10-Aug-2020	Aug 10, 2020
693. Binary Number with Alternating Bits.cpp	693. Binary Number with Alternating Bits.cpp	rocket: 12-Aug-2020	Aug 12, 2020
695. Max Area of Island.cpp	695. Max Area of Island.cpp	🚀 25-Jun-2021	Jun 25, 2021
7. Reverse Integer.cpp	7. Reverse Integer.cpp	practise 18-May-2020	May 18, 2020
70. Climbing Stairs.cpp	70. Climbing Stairs.cpp	🚀 17-Jun-2023	Jun 17, 2023
700. Search in a Binary Search Tree.cpp	700. Search in a Binary Search Tree.cpp	Practise 16-Jun-2020	Jun 16, 2020
701. Insert into a Binary Search Tree.cpp	701. Insert into a Binary Search Tree.cpp	🚀 07-Oct-2020	Oct 7, 2020
703. Kth Largest Element in a Stream.cpp	703. Kth Largest Element in a Stream.cpp	🚀 04-Sep-2020	Sep 4, 2020
704. Binary Search.cpp	704. Binary Search.cpp	🚀 16-Apr-2022	Apr 16, 2022
705. Design HashSet.cpp	705. Design HashSet.cpp	🚀 22-Apr-2022	Apr 21, 2022
706. Design HashMap.cpp	706. Design HashMap.cpp	🚀 13-May-2022	May 13, 2022
709. To Lower Case.cpp	709. To Lower Case.cpp	🚀 11-Aug-2020	Aug 11, 2020
72. Edit Distance.cpp	72. Edit Distance.cpp	🚀 29-Aug-2020	Aug 29, 2020
724. Find Pivot Index.cpp	724. Find Pivot Index.cpp	🚀 17-Jun-2023	Jun 17, 2023
73. Set Matrix Zeroes.cpp	73. Set Matrix Zeroes.cpp	🚀 16-Aug-2021	Aug 16, 2021
733. Flood Fill.cpp	733. Flood Fill.cpp	🚀 04-Sep-2020	Sep 4, 2020
743. Network Delay Time.cpp	743. Network Delay Time.cpp	🚀 29-Jul-2022	Jul 29, 2022
746. Min Cost Climbing Stairs.cpp	746. Min Cost Climbing Stairs.cpp	🚀 25-Jun-2021	Jun 25, 2021
75. Sort Colors.cpp	75. Sort Colors.cpp	🚀 04-Aug-2020	Aug 4, 2020
76. Minimum Window Substring.cpp	76. Minimum Window Substring.cpp	🚀 17-Jun-2023	Jun 17, 2023
763. Partition Labels.cpp	763. Partition Labels.cpp	🚀 16-Apr-2022	Apr 16, 2022
767. Reorganize String.cpp	767. Reorganize String.cpp	Practise 18-Jul-2020	Jun 18, 2020
771. Jewels and Stones.cpp	771. Jewels and Stones.cpp	practise 18-May-2020	May 18, 2020
775. Global and Local Inversions.cpp	775. Global and Local Inversions.cpp	🚀 25-Jun-2020	Jun 25, 2020
78. Subsets.cpp	78. Subsets.cpp	🚀 16-Aug-2021	Aug 16, 2021
785. Is Graph Bipartite.cpp	785. Is Graph Bipartite.cpp	🚀 02-Aug-2021	Aug 2, 2021
787. Cheapest Flights Within K Stops.cpp	787. Cheapest Flights Within K Stops.cpp	Practise 15-Jul-2020	Jun 15, 2020
788. Rotated Digits.cpp	788. Rotated Digits.cpp	🚀 25-Jun-2021	Jun 25, 2021
79. Word Search.cpp	79. Word Search.cpp	🚀 01-Jul-2020	Jul 1, 2020
797. All Paths From Source to Target.cpp	797. All Paths From Source to Target.cpp	🚀 16-Apr-2022	Apr 16, 2022
8. String to Integer (atoi).cpp	8. String to Integer (atoi).cpp	🚀 14-Sep-2020	Sep 14, 2020
80. Remove Duplicates from Sorted Array II.cpp	80. Remove Duplicates from Sorted Array II.cpp	🚀 18-Dec-2020	Dec 18, 2020
804. Unique Morse Code Words.cpp	804. Unique Morse Code Words.cpp	🚀 11-Aug-2020	Aug 11, 2020
82. Remove Duplicates from Sorted List II.cpp	82. Remove Duplicates from Sorted List II.cpp	🚀 17-Jun-2023	Jun 17, 2023
824. Goat Latin.cpp	824. Goat Latin.cpp	🚀 19-Aug-2020	Aug 19, 2020
83. Remove Duplicates from Sorted List.cpp	83. Remove Duplicates from Sorted List.cpp	🚀 17-Jun-2023	Jun 17, 2023
832. Flipping an Image.cpp	832. Flipping an Image.cpp	🚀 25-Sep-2020	Sep 25, 2020
836. Rectangle Overlap.cpp	836. Rectangle Overlap.cpp	🚀 02-Aug-2021	Aug 2, 2021
84. Largest Rectangle in Histogram.cpp	84. Largest Rectangle in Histogram.cpp	Practise 04-Jun-2020	Jun 4, 2020
841. Keys and Rooms.cpp	841. Keys and Rooms.cpp	🚀 16-Apr-2022	Apr 16, 2022
844. Backspace String Compare.cpp	844. Backspace String Compare.cpp	🚀 13-May-2022	May 13, 2022
859. Buddy Strings.cpp	859. Buddy Strings.cpp	🚀 12-Oct-2020	Oct 12, 2020
865. Smallest Subtree with all the Deepest Nodes.cpp	865. Smallest Subtree with all the Deepest Nodes.cpp	🚀 18-Dec-2020	Dec 18, 2020
867. Transpose Matrix.cpp	867. Transpose Matrix.cpp	🚀 07-Aug-2020	Aug 7, 2020
876. Middle of the Linked List.cpp	876. Middle of the Linked List.cpp	🚀 17-Jun-2023	Jun 17, 2023
877. Stone Game.cpp	877. Stone Game.cpp	🚀 20-Mar-2022	Mar 20, 2022
881. Boats to Save People.cpp	881. Boats to Save People.cpp	🚀 17-Jun-2023	Jun 17, 2023
887. Super Egg Drop.cpp	887. Super Egg Drop.cpp	🚀 30-Aug-2020	Aug 30, 2020
890. Find and Replace Pattern.cpp	890. Find and Replace Pattern.cpp	🚀 21-May-2021	May 21, 2021
893. Groups of Special-Equivalent Strings.cpp	893. Groups of Special-Equivalent Strings.cpp	🚀 26-Sep-2020	Sep 26, 2020
897. Increasing Order Search Tree.cpp	897. Increasing Order Search Tree.cpp	🚀 22-Apr-2022	Apr 21, 2022
9. Palindrome Number.cpp	9. Palindrome Number.cpp	🚀 17-Jun-2023	Jun 17, 2023
90. Subsets II.cpp	90. Subsets II.cpp	🚀 16-Aug-2021	Aug 16, 2021
904. Fruit Into Baskets.cpp	904. Fruit Into Baskets.cpp	🚀 17-Jun-2023	Jun 17, 2023
905. Sort Array By Parity.cpp	905. Sort Array By Parity.cpp	🚀 13-May-2022	May 13, 2022
908. Smallest Range I.cpp	908. Smallest Range I.cpp	🚀 25-Dec-2020	Dec 25, 2020
91. Decode Ways.cpp	91. Decode Ways.cpp	🚀 01-Jul-2021	Jul 1, 2021
914. X of a Kind in a Deck of Cards.cpp	914. X of a Kind in a Deck of Cards.cpp	🚀 10-Aug-2020	Aug 10, 2020
92. Reverse Linked List II.cpp	92. Reverse Linked List II.cpp	🚀 17-Jun-2023	Jun 17, 2023
922. Sort Array By Parity II.cpp	922. Sort Array By Parity II.cpp	🚀 25-Sep-2020	Sep 25, 2020
926. Flip String to Monotone Increasing.cpp	926. Flip String to Monotone Increasing.cpp	🚀 16-Aug-2021	Aug 16, 2021
929. Unique Email Addresses.cpp	929. Unique Email Addresses.cpp	🚀 11-Aug-2020	Aug 11, 2020
933. Number of Recent Calls.cpp	933. Number of Recent Calls.cpp	🚀 02-Oct-2020	Oct 2, 2020
94. Binary Tree Inorder Traversal.cpp	94. Binary Tree Inorder Traversal.cpp	Practise 06-Jun-2020	Jun 6, 2020
941. Valid Mountain Array.cpp	941. Valid Mountain Array.cpp	🚀 10-Dec-2020	Dec 10, 2020
946. Validate Stack Sequences.cpp	946. Validate Stack Sequences.cpp	🚀 17-Jun-2023	Jun 17, 2023
949. Largest Time for Given Digits.cpp	949. Largest Time for Given Digits.cpp	🚀 10-Aug-2020	Aug 10, 2020
952. Largest Component Size by Common Factor.cpp	952. Largest Component Size by Common Factor.cpp	🚀 01-Sep-2020	Sep 1, 2020
954. Array of Doubled Pairs.cpp	954. Array of Doubled Pairs.cpp	🚀 16-Aug-2021	Aug 16, 2021
957. Prison Cells After N Days.cpp	957. Prison Cells After N Days.cpp	🚀 04-Jul-2020	Jul 4, 2020
96. Unique Binary Search Trees.cpp	96. Unique Binary Search Trees.cpp	🚀 25-Jun-2020	Jun 25, 2020
967. Numbers With Same Consecutive Differences.cpp	967. Numbers With Same Consecutive Differences.cpp	🚀 18-Aug-2020	Aug 18, 2020
970. Powerful Integers.cpp	970. Powerful Integers.cpp	🚀 10-Aug-2020	Aug 10, 2020
973. K Closest Points to Origin.cpp	973. K Closest Points to Origin.cpp	Practise 18-Jul-2020	Jun 19, 2020
977. Squares of a Sorted Array.cpp	977. Squares of a Sorted Array.cpp	🚀 25-Sep-2020	Sep 25, 2020
98. Validate Binary Search Tree7. Reverse Integer.cpp	98. Validate Binary Search Tree7. Reverse Integer.cpp	practise 22-May-2020	May 22, 2020
983. Minimum Cost For Tickets.cpp	983. Minimum Cost For Tickets.cpp	🚀 26-Aug-2020	Aug 26, 2020
987. Vertical Order Traversal of a Binary Tree.cpp	987. Vertical Order Traversal of a Binary Tree.cpp	🚀 25-Aug-2020	Aug 25, 2020
994. Rotting Oranges..cpp	994. Rotting Oranges..cpp	🚀 25-Jun-2020	Jun 25, 2020
997. Find the Town Judge.cpp	997. Find the Town Judge.cpp	Practise 18-Jul-2020	Jun 18, 2020
999. Available Captures for Rook.cpp	999. Available Captures for Rook.cpp	🚀 26-Sep-2020	Sep 26, 2020
README.MD	README.MD	🚀 20-Mar-2022	Mar 20, 2022

README.MD

LeetCode problem solutions

LeetCode: LeetCode

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Files

leetcode

leetcode

README.MD

LeetCode problem solutions

Files

leetcode

Directory actions

More options

Directory actions

More options

Latest commit

History

leetcode

Folders and files

parent directory

README.MD

LeetCode problem solutions