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Single Number — Coding Practice | DevMentor
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Easy
Bit Manipulation
Single Number
Every element appears twice except one. Find it using O(1) space.
Examples
Input:
nums = [2,2,1]
Output:
1
Sample Test Cases
Case 1 Input:
[2,2,1]
Expected:
1
Case 2 Input:
[4,1,2,1,2]
Expected:
4
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Test Case
Output
Submission
Case 1 Input:
[2,2,1]
Expected:
1
Case 2 Input:
[4,1,2,1,2]
Expected:
4