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Jun 11, 2024 · 3 min read · Problem Statement: Given an integer array nums, return true if any value appears at least twice in the array, and return false if every element is distinct. Example: Input: nums = [1,2,3,1] Output: true Approach: 1. Using a Set This approach uses a ...
Join discussionJun 10, 2024 · 4 min read · Problem Statement: Given an array of integers nums and an integer target, return the indices of the two numbers such that they add up to target. You may assume that each input would have exactly one solution, and you may not use the same element twic...
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