#leetcode
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[A1] - Brute Force Time: O(n^2) Space: O(1) class Solution: def twoSum(self, nums: List[int], target: int) -> List[int]: for i in...
LeetCode's Valid Anagram problem checks if two strings, `s` and `t`, are anagrams by comparing character frequencies. · YouTube...
LeetCode's Contains Duplicate problem checks if there are any duplicate elements in a given array, often solved using hash sets or sorting. · YouTube...
