Single Number 2- LeetCode 137 | Coding problem | Interview Question | Google, Facebook Interview

Опубликовано: 14 Март 2026
на канале: swadhyayedu
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Problem Statement:
Given a non-empty array of integers, every element appears three times except for one, which appears exactly once. Find that single one.

Note:

Your algorithm should have a linear runtime complexity. Could you implement it without using extra memory?

Example 1:

Input: [2,2,3,2]
Output: 3
Example 2:

Input: [0,1,0,1,0,1,99]
Output: 99

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