Update README.md

Author: kamyu104

README.md

@@ -1025,7 +1025,7 @@
 2952 | [Minimum Number of Coins to be Added](https://leetcode.com/problems/minimum-number-of-coins-to-be-added/) | [C++](./C++/minimum-number-of-coins-to-be-added.cpp) [Python](./Python/minimum-number-of-coins-to-be-added.py) | _O(nlogn + logt)_ | _O(1)_ | Medium |  variant of [Patching Array](https://leetcode.com/problems/patching-array/) | Sort, Greedy
 2957 | [Remove Adjacent Almost-Equal Characters](https://leetcode.com/problems/remove-adjacent-almost-equal-characters/) | [C++](./C++/remove-adjacent-almost-equal-characters.cpp) [Python](./Python/remove-adjacent-almost-equal-characters.py) | _O(n)_ | _O(1)_ | Medium | | Greedy
 2971 | [Find Polygon With the Largest Perimeter](https://leetcode.com/problems/find-polygon-with-the-largest-perimeter/) | [C++](./C++/find-polygon-with-the-largest-perimeter.cpp) [Python](./Python/find-polygon-with-the-largest-perimeter.py) | _O(n)_ | _O(1)_ | Medium | | Sort, Prefix Sum, Greedy
-3002 | [Maximum Size of a Set After Removals](https://leetcode.com/problems/maximum-size-of-a-set-after-removals/) | [C++](./C++/maximum-size-of-a-set-after-removals.cpp) [Python](./Python/maximum-size-of-a-set-after-removals.py) | _O(n)_ | _O(n)_ | Hard | | Math, Hash Table, Greedy
+3002 | [Maximum Size of a Set After Removals](https://leetcode.com/problems/maximum-size-of-a-set-after-removals/) | [C++](./C++/maximum-size-of-a-set-after-removals.cpp) [Python](./Python/maximum-size-of-a-set-after-removals.py) | _O(n)_ | _O(n)_ | Medium | | Math, Hash Table, Greedy
 3003 | [Maximize the Number of Partitions After Operations](https://leetcode.com/problems/maximize-the-number-of-partitions-after-operations/) | [C++](./C++/maximize-the-number-of-partitions-after-operations.cpp) [Python](./Python/maximize-the-number-of-partitions-after-operations.py) | _O(n)_ | _O(n)_ | Hard | | Prefix Sum, Greedy
 
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