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1/16/2023

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Popular Posts

[LeetCode] 350. Intersection of Two Arrays II

Problem : https://leetcode.com/problems/intersection-of-two-arrays-ii/ 2 pointers solution: class Solution: def intersect(self, num...
[LeetCode] 95. Unique Binary Search Trees II

Problem : https://leetcode.com/problems/unique-binary-search-trees-ii/ In BST, each node is larger than every nodes in its left sub-tree a...
[LeetCode] 279. Perfect Squares

Problem : https://leetcode.com/problems/perfect-squares/ I know there is a much better solution. But this memorization approach is easy to...
[LeetCode] 2. Add Two Numbers

Problem : https://leetcode.com/problems/add-two-numbers/ The problem equals to simulate addition operation to calculate sum of two large ...
[LeetCode] 347. Top K Frequent Elements

Problem : https://leetcode.com/problems/top-k-frequent-elements/ Use hash map to save count of each elements. Then use heap to get first ...
[LeetCode] 345. Reverse Vowels of a String

Problem : https://leetcode.com/problems/reverse-vowels-of-a-string/ class Solution: def reverseVowels(self, s: str) -> str: ...
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