May 13, 2025 · 6 min read · Problem Link LeetCode Version Problem Statement Given a non-empty array of integers nums, every element appears twice except for one. Find that single one. You must implement a solution with a linear runtime complexity and use only constant extra s...
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Jun 29, 2024 · 3 min read · To see the question, click here. Naive Approach To find the single element, we can first sort the array and then check for the single element. This approach works because each element appears twice except for one, and when the array is sorted, these ...
Join discussionDec 6, 2023 · 3 min read · 268. Missing Number Problem Statement Given an array nums containing n distinct numbers in the range [0, n], return the only number in the range that is missing from the array. (link) Example 1: Input: nums = [3,0,1] Output: 2 Explanation: n = 3 sinc...
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