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- 01-matrix.py
- 1-bit-and-2-bit-characters.py
- 132-pattern.py
- 2-keys-keyboard.py
- 24-game.py
- 3sum-closest.py
- 3sum-smaller.py
- 3sum-with-multiplicity.py
- 3sum.py
- 4-keys-keyboard.py
- 4sum-ii.py
- 4sum.py
- a-number-after-a-double-reversal.py
- abbreviating-the-product-of-a-range.py
- account-balance-after-rounded-purchase.py
- accounts-merge.py
- add-and-search-word-data-structure-design.py
- add-binary.py
- add-bold-tag-in-string.py
- add-digits.py
- add-edges-to-make-degrees-of-all-nodes-even.py
- add-minimum-number-of-rungs.py
- add-one-row-to-tree.py
- add-strings.py
- add-to-array-form-of-integer.py
- add-two-integers.py
- add-two-numbers-ii.py
- add-two-numbers.py
- add-two-polynomials-represented-as-linked-lists.py
- adding-spaces-to-a-string.py
- adding-two-negabinary-numbers.py
- additive-number.py
- adjacent-increasing-subarrays-detection-i.py
- adjacent-increasing-subarrays-detection-ii.py
- advantage-shuffle.py
- airplane-seat-assignment-probability.py
- alert-using-same-key-card-three-or-more-times-in-a-one-hour-period.py
- alice-and-bob-playing-flower-game.py
- alien-dictionary.py
- all-ancestors-of-a-node-in-a-directed-acyclic-graph.py
- all-divisions-with-the-highest-score-of-a-binary-array.py
- all-elements-in-two-binary-search-trees.py
- all-nodes-distance-k-in-binary-tree.py
- all-oone-data-structure.py
- all-paths-from-source-lead-to-destination.py
- all-paths-from-source-to-target.py
- all-possible-full-binary-trees.py
- allocate-mailboxes.py
- alphabet-board-path.py
- alt-and-tab-simulation.py
- alternating-digit-sum.py
- alternating-groups-i.py
- alternating-groups-ii.py
- alternating-groups-iii.py
- ambiguous-coordinates.py
- amount-of-new-area-painted-each-day.py
- amount-of-time-for-binary-tree-to-be-infected.py
- analyze-user-website-visit-pattern.py
- android-unlock-patterns.py
- angle-between-hands-of-a-clock.py
- ant-on-the-boundary.py
- append-characters-to-string-to-make-subsequence.py
- append-k-integers-with-minimal-sum.py
- apple-redistribution-into-boxes.py
- apply-bitwise-operations-to-make-strings-equal.py
- apply-discount-every-n-orders.py
- apply-discount-to-prices.py
- apply-operations-on-array-to-maximize-sum-of-squares.py
- apply-operations-to-an-array.py
- apply-operations-to-make-all-array-elements-equal-to-zero.py
- apply-operations-to-make-string-empty.py
- apply-operations-to-make-sum-of-array-greater-than-or-equal-to-k.py
- apply-operations-to-make-two-strings-equal.py
- apply-operations-to-maximize-frequency-score.py
- apply-operations-to-maximize-score.py
- apply-substitutions.py
- arithmetic-slices-ii-subsequence.py
- arithmetic-slices.py
- arithmetic-subarrays.py
- armstrong-number.py
- arranging-coins.py
- array-nesting.py
- array-of-doubled-pairs.py
- array-partition-i.py
- array-transformation.py
- array-with-elements-not-equal-to-average-of-neighbors.py
- as-far-from-land-as-possible.py
- assign-cookies.py
- assign-elements-to-groups-with-constraints.py
- asteroid-collision.py
- available-captures-for-rook.py
- average-height-of-buildings-in-each-segment.py
- average-of-levels-in-binary-tree.py
- average-salary-excluding-the-minimum-and-maximum-salary.py
- average-value-of-even-numbers-that-are-divisible-by-three.py
- average-waiting-time.py
- avoid-flood-in-the-city.py
- backspace-string-compare.py
- bag-of-tokens.py
- balance-a-binary-search-tree.py
- balanced-binary-tree.py
- base-7.py
- baseball-game.py
- basic-calculator-ii.py
- basic-calculator-iii.py
- basic-calculator-iv.py
- basic-calculator.py
- battleships-in-a-board.py
- beautiful-arrangement-ii.py
- beautiful-arrangement.py
- beautiful-array.py
- beautiful-pairs.py
- beautiful-towers-i.py
- beautiful-towers-ii.py
- before-and-after-puzzle.py
- best-meeting-point.py
- best-poker-hand.py
- best-position-for-a-service-centre.py
- best-sightseeing-pair.py
- best-team-with-no-conflicts.py
- best-time-to-buy-and-sell-stock-ii.py
- best-time-to-buy-and-sell-stock-iii.py
- best-time-to-buy-and-sell-stock-iv.py
- best-time-to-buy-and-sell-stock-with-cooldown.py
- best-time-to-buy-and-sell-stock-with-transaction-fee.py
- best-time-to-buy-and-sell-stock.py
- better-compression-of-string.py
- binary-gap.py
- binary-number-with-alternating-bits.py
- binary-prefix-divisible-by-5.py
- binary-search-tree-iterator-ii.py
- binary-search-tree-iterator.py
- binary-search-tree-to-greater-sum-tree.py
- binary-search.py
- binary-searchable-numbers-in-an-unsorted-array.py
- binary-string-with-substrings-representing-1-to-n.py
- binary-subarrays-with-sum.py
- binary-tree-cameras.py
- binary-tree-coloring-game.py
- binary-tree-inorder-traversal.py
- binary-tree-level-order-traversal-ii.py
- binary-tree-level-order-traversal.py
- binary-tree-longest-consecutive-sequence-ii.py
- binary-tree-longest-consecutive-sequence.py
- binary-tree-maximum-path-sum.py
- binary-tree-paths.py
- binary-tree-postorder-traversal.py
- binary-tree-preorder-traversal.py
- binary-tree-pruning.py
- binary-tree-right-side-view.py
- binary-tree-tilt.py
- binary-tree-upside-down.py
- binary-tree-vertical-order-traversal.py
- binary-tree-zigzag-level-order-traversal.py
- binary-trees-with-factors.py
- binary-watch.py
- bitwise-and-of-numbers-range.py
- bitwise-or-of-adjacent-elements.py
- bitwise-or-of-all-subsequence-sums.py
- bitwise-ors-of-subarrays.py
- bitwise-xor-of-all-pairings.py
- block-placement-queries.py
- boats-to-save-people.py
- bold-words-in-string.py
- bomb-enemy.py
- booking-concert-tickets-in-groups.py
- boundary-of-binary-tree.py
- brace-expansion-ii.py
- brace-expansion.py
- break-a-palindrome.py
- brick-wall.py
- bricks-falling-when-hit.py
- brightest-position-on-street.py
- broken-calculator.py
- buddy-strings.py
- build-a-matrix-with-conditions.py
- build-an-array-with-stack-operations.py
- build-array-from-permutation.py
- build-array-where-you-can-find-the-maximum-exactly-k-comparisons.py
- build-binary-expression-tree-from-infix-expression.py
- building-boxes.py
- building-h2o.py
- buildings-with-an-ocean-view.py
- bulb-switcher-ii.py
- bulb-switcher-iii.py
- bulb-switcher-iv.py
- bulb-switcher.py
- bulls-and-cows.py
- burst-balloons.py
- bus-routes.py
- button-with-longest-push-time.py
- buy-two-chocolates.py
- calculate-amount-paid-in-taxes.py
- calculate-delayed-arrival-time.py
- calculate-digit-sum-of-a-string.py
- calculate-money-in-leetcode-bank.py
- calculate-score-after-performing-instructions.py
- camelcase-matching.py
- campus-bikes-ii.py
- campus-bikes.py
- can-convert-string-in-k-moves.py
- can-i-win.py
- can-make-arithmetic-progression-from-sequence.py
- can-make-palindrome-from-substring.py
- can-place-flowers.py
- can-you-eat-your-favorite-candy-on-your-favorite-day.py
- candy-crush.py
- candy.py
- capacity-to-ship-packages-within-d-days.py
- capitalize-the-title.py
- car-fleet-ii.py
- car-fleet.py
- car-pooling.py
- card-flipping-game.py
- cat-and-mouse-ii.py
- cat-and-mouse.py
- categorize-box-according-to-criteria.py
- cells-in-a-range-on-an-excel-sheet.py
- cells-with-odd-values-in-a-matrix.py
- chalkboard-xor-game.py
- champagne-tower.py
- change-minimum-characters-to-satisfy-one-of-three-conditions.py
- change-the-root-of-a-binary-tree.py
- cheapest-flights-within-k-stops.py
- check-array-formation-through-concatenation.py
- check-balanced-string.py
- check-completeness-of-a-binary-tree.py
- check-distances-between-same-letters.py
- check-for-contradictions-in-equations.py
- check-if-a-number-is-majority-element-in-a-sorted-array.py
- check-if-a-parentheses-string-can-be-valid.py
- check-if-a-string-can-break-another-string.py
- check-if-a-string-contains-all-binary-codes-of-size-k.py
- check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree.py
- check-if-a-string-is-an-acronym-of-words.py
- check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence.py
- check-if-all-1s-are-at-least-length-k-places-away.py
- check-if-all-as-appears-before-all-bs.py
- check-if-all-characters-have-equal-number-of-occurrences.py
- check-if-all-the-integers-in-a-range-are-covered.py
- check-if-an-array-is-consecutive.py
- check-if-an-original-string-exists-given-two-encoded-strings.py
- check-if-array-is-good.py
- check-if-array-is-sorted-and-rotated.py
- check-if-array-pairs-are-divisible-by-k.py
- check-if-binary-string-has-at-most-one-segment-of-ones.py
- check-if-bitwise-or-has-trailing-zeros.py
- check-if-dfs-strings-are-palindromes.py
- check-if-digits-are-equal-in-string-after-operations-i.py
- check-if-digits-are-equal-in-string-after-operations-ii.py
- check-if-every-row-and-column-contains-all-numbers.py
- check-if-grid-can-be-cut-into-sections.py
- check-if-grid-satisfies-conditions.py
- check-if-it-is-a-good-array.py
- check-if-it-is-a-straight-line.py
- check-if-it-is-possible-to-split-array.py
- check-if-matrix-is-x-matrix.py
- check-if-move-is-legal.py
- check-if-n-and-its-double-exist.py
- check-if-number-has-equal-digit-count-and-digit-value.py
- check-if-number-is-a-sum-of-powers-of-three.py
- check-if-numbers-are-ascending-in-a-sentence.py
- check-if-one-string-swap-can-make-strings-equal.py
- check-if-point-is-reachable.py
- check-if-string-is-a-prefix-of-array.py
- check-if-string-is-decomposable-into-value-equal-substrings.py
- check-if-string-is-transformable-with-substring-sort-operations.py
- check-if-strings-can-be-made-equal-with-operations-i.py
- check-if-strings-can-be-made-equal-with-operations-ii.py
- check-if-the-number-is-fascinating.py
- check-if-the-rectangle-corner-is-reachable.py
- check-if-the-sentence-is-pangram.py
- check-if-there-is-a-path-with-equal-number-of-0s-and-1s.py
- check-if-there-is-a-valid-parentheses-string-path.py
- check-if-there-is-a-valid-partition-for-the-array.py
- check-if-there-is-a-valid-path-in-a-grid.py
- check-if-two-chessboard-squares-have-the-same-color.py
- check-if-two-expression-trees-are-equivalent.py
- check-if-two-string-arrays-are-equivalent.py
- check-if-word-can-be-placed-in-crossword.py
- check-if-word-equals-summation-of-two-words.py
- check-if-word-is-valid-after-substitutions.py
- check-knight-tour-configuration.py
- check-whether-two-strings-are-almost-equivalent.py
- checking-existence-of-edge-length-limited-paths-ii.py
- checking-existence-of-edge-length-limited-paths.py
- cherry-pickup-ii.py
- cherry-pickup.py
- choose-edges-to-maximize-score-in-a-tree.py
- choose-k-elements-with-maximum-sum.py
- choose-numbers-from-two-arrays-in-range.py
- cinema-seat-allocation.py
- circle-and-rectangle-overlapping.py
- circular-array-loop.py
- circular-permutation-in-binary-representation.py
- circular-sentence.py
- clear-digits.py
- climbing-stairs.py
- clone-binary-tree-with-random-pointer.py
- clone-graph.py
- clone-n-ary-tree.py
- closest-binary-search-tree-value-ii.py
- closest-binary-search-tree-value.py
- closest-dessert-cost.py
- closest-divisors.py
- closest-equal-element-queries.py
- closest-fair-integer.py
- closest-leaf-in-a-binary-tree.py
- closest-node-to-path-in-tree.py
- closest-nodes-queries-in-a-binary-search-tree.py
- closest-prime-numbers-in-range.py
- closest-room.py
- closest-subsequence-sum.py
- clumsy-factorial.py
- coin-change-2.py
- coin-change.py
- coin-path.py
- collect-coins-in-a-tree.py
- collecting-chocolates.py
- color-the-triangle-red.py
- coloring-a-border.py
- combination-sum-ii.py
- combination-sum-iii.py
- combination-sum-iv.py
- combination-sum.py
- combinations.py
- compare-strings-by-frequency-of-the-smallest-character.py
- compare-version-numbers.py
- complement-of-base-10-integer.py
- complete-binary-tree-inserter.py
- complex-number-multiplication.py
- concatenated-words.py
- concatenation-of-array.py
- concatenation-of-consecutive-binary-numbers.py
- confusing-number-ii.py
- confusing-number.py
- connecting-cities-with-minimum-cost.py
- consecutive-characters.py
- consecutive-numbers-sum.py
- constrained-subset-sum.py
- construct-2d-grid-matching-graph-layout.py
- construct-binary-search-tree-from-preorder-traversal.py
- construct-binary-tree-from-inorder-and-postorder-traversal.py
- construct-binary-tree-from-preorder-and-inorder-traversal.py
- construct-binary-tree-from-preorder-and-postorder-traversal.py
- construct-binary-tree-from-string.py
- construct-k-palindrome-strings.py
- construct-product-matrix.py
- construct-quad-tree.py
- construct-smallest-number-from-di-string.py
- construct-string-from-binary-tree.py
- construct-string-with-minimum-cost-easy.py
- construct-string-with-minimum-cost.py
- construct-string-with-repeat-limit.py
- construct-target-array-with-multiple-sums.py
- construct-the-lexicographically-largest-valid-sequence.py
- construct-the-longest-new-string.py
- construct-the-minimum-bitwise-array-i.py
- construct-the-minimum-bitwise-array-ii.py
- construct-the-rectangle.py
- constructing-two-increasing-arrays.py
- contain-virus.py
- container-with-most-water.py
- contains-duplicate-ii.py
- contains-duplicate-iii.py
- contains-duplicate.py
- contiguous-array.py
- continuous-subarray-sum.py
- continuous-subarrays.py
- convert-1d-array-into-2d-array.py
- convert-a-number-to-hexadecimal.py
- convert-an-array-into-a-2d-array-with-conditions.py
- convert-binary-number-in-a-linked-list-to-integer.py
- convert-binary-search-tree-to-sorted-doubly-linked-list.py
- convert-bst-to-greater-tree.py
- convert-date-to-binary.py
- convert-doubly-linked-list-to-array-i.py
- convert-doubly-linked-list-to-array-ii.py
- convert-integer-to-the-sum-of-two-no-zero-integers.py
- convert-sorted-array-to-binary-search-tree.py
- convert-sorted-list-to-binary-search-tree.py
- convert-the-temperature.py
- convert-to-base-2.py
- convex-polygon.py
- coordinate-with-maximum-network-quality.py
- copy-list-with-random-pointer.py
- corporate-flight-bookings.py
- correct-a-binary-tree.py
- count-all-possible-routes.py
- count-all-valid-pickup-and-delivery-options.py
- count-almost-equal-pairs-i.py
- count-almost-equal-pairs-ii.py
- count-alternating-subarrays.py
- count-anagrams.py
- count-and-say.py
- count-array-pairs-divisible-by-k.py
- count-artifacts-that-can-be-extracted.py
- count-asterisks.py
- count-beautiful-numbers.py
- count-beautiful-splits-in-an-array.py
- count-beautiful-substrings-i.py
- count-beautiful-substrings-ii.py
- count-binary-substrings.py
- count-collisions-of-monkeys-on-a-polygon.py
- count-collisions-on-a-road.py
- count-common-words-with-one-occurrence.py
- count-complete-subarrays-in-an-array.py
- count-complete-substrings.py
- count-complete-tree-nodes.py
- count-connected-components-in-lcm-graph.py
- count-days-spent-together.py
- count-days-without-meetings.py
- count-different-palindromic-subsequences.py
- count-distinct-numbers-on-board.py
- count-elements-with-maximum-frequency.py
- count-elements-with-strictly-smaller-and-greater-elements.py
- count-equal-and-divisible-pairs-in-an-array.py
- count-fertile-pyramids-in-a-land.py
- count-good-meals.py
- count-good-nodes-in-binary-tree.py
- count-good-numbers.py
- count-good-triplets-in-an-array.py
- count-good-triplets.py
- count-hills-and-valleys-in-an-array.py
- count-houses-in-a-circular-street-ii.py
- count-houses-in-a-circular-street.py
- count-increasing-quadruplets.py
- count-integers-in-intervals.py
- count-integers-with-even-digit-sum.py
- count-items-matching-a-rule.py
- count-k-reducible-numbers-less-than-n.py
- count-k-subsequences-of-a-string-with-maximum-beauty.py
- count-largest-group.py
- count-lattice-points-inside-a-circle.py
- count-mentions-per-user.py
- count-negative-numbers-in-a-sorted-matrix.py
- count-nice-pairs-in-an-array.py
- count-nodes-equal-to-average-of-subtree.py
- count-nodes-equal-to-sum-of-descendants.py
- count-nodes-that-are-great-enough.py
- count-nodes-with-the-highest-score.py
- count-non-decreasing-subarrays-after-k-operations.py
- count-number-of-bad-pairs.py
- count-number-of-balanced-permutations.py
- count-number-of-distinct-integers-after-reverse-operations.py
- count-number-of-homogenous-substrings.py
- count-number-of-maximum-bitwise-or-subsets.py
- count-number-of-nice-subarrays.py
- count-number-of-pairs-with-absolute-difference-k.py
- count-number-of-possible-root-nodes.py
- count-number-of-rectangles-containing-each-point.py
- count-number-of-special-subsequences.py
- count-number-of-teams.py
- count-number-of-texts.py
- count-number-of-ways-to-place-houses.py
- count-numbers-with-non-decreasing-digits.py
- count-numbers-with-unique-digits-ii.py
- count-numbers-with-unique-digits.py
- count-odd-numbers-in-an-interval-range.py
- count-of-integers.py
- count-of-interesting-subarrays.py
- count-of-matches-in-tournament.py
- count-of-range-sum.py
- count-of-smaller-numbers-after-self.py
- count-of-sub-multisets-with-bounded-sum.py
- count-of-substrings-containing-every-vowel-and-k-consonants-i.py
- count-of-substrings-containing-every-vowel-and-k-consonants-ii.py
- count-operations-to-obtain-zero.py
- count-pairs-in-two-arrays.py
- count-pairs-of-connectable-servers-in-a-weighted-tree-network.py
- count-pairs-of-equal-substrings-with-minimum-difference.py
- count-pairs-of-nodes.py
- count-pairs-of-points-with-distance-k.py
- count-pairs-of-similar-strings.py
- count-pairs-that-form-a-complete-day-i.py
- count-pairs-that-form-a-complete-day-ii.py
- count-pairs-whose-sum-is-less-than-target.py
- count-pairs-with-xor-in-a-range.py
- count-palindromic-subsequences.py
- count-partitions-with-even-sum-difference.py
- count-paths-that-can-form-a-palindrome-in-a-tree.py
- count-paths-with-the-given-xor-value.py
- count-positions-on-street-with-required-brightness.py
- count-prefix-and-suffix-pairs-i.py
- count-prefix-and-suffix-pairs-ii.py
- count-prefixes-of-a-given-string.py
- count-primes.py
- count-servers-that-communicate.py
- count-sorted-vowel-strings.py
- count-special-integers.py
- count-special-quadruplets.py
- count-special-subsequences.py
- count-square-submatrices-with-all-ones.py
- count-square-sum-triples.py
- count-stepping-numbers-in-range.py
- count-strictly-increasing-subarrays.py
- count-sub-islands.py
- count-subarrays-of-length-three-with-a-condition.py
- count-subarrays-where-max-element-appears-at-least-k-times.py
- count-subarrays-with-fixed-bounds.py
- count-subarrays-with-median-k.py
- count-subarrays-with-more-ones-than-zeros.py
- count-subarrays-with-score-less-than-k.py
- count-submatrices-with-all-ones.py
- count-submatrices-with-equal-frequency-of-x-and-y.py
- count-submatrices-with-top-left-element-and-sum-less-than-k.py
- count-substrings-divisible-by-last-digit.py
- count-substrings-starting-and-ending-with-given-character.py
- count-substrings-that-can-be-rearranged-to-contain-a-string-i.py
- count-substrings-that-can-be-rearranged-to-contain-a-string-ii.py
- count-substrings-that-differ-by-one-character.py
- count-substrings-that-satisfy-k-constraint-i.py
- count-substrings-that-satisfy-k-constraint-ii.py
- count-substrings-with-k-frequency-characters-i.py
- count-substrings-with-k-frequency-characters-ii.py
- count-substrings-with-only-one-distinct-letter.py
- count-substrings-without-repeating-character.py
- count-subtrees-with-max-distance-between-cities.py
- count-symmetric-integers.py
- count-tested-devices-after-test-operations.py
- count-the-digits-that-divide-a-number.py
- count-the-hidden-sequences.py
- count-the-number-of-arrays-with-k-matching-adjacent-elements.py
- count-the-number-of-beautiful-subarrays.py
- count-the-number-of-complete-components.py
- count-the-number-of-consistent-strings.py
- count-the-number-of-fair-pairs.py
- count-the-number-of-good-nodes.py
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- find-the-number-of-good-pairs-i.py
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jewels-and-stones.py

Oct 12, 2018

dfbd2c3 · Oct 12, 2018