Problems
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Bitwise XOR / Bit Manipulation
Bitwise XOR / Bit Manipulation
Solve problems using XOR properties, bit counting, masking, and shifts — O(1) space solutions.
7
easy
5
medium
0
hard
12
Total
All
Easy
Medium
Hard
Shortest Time
Longest Time
A-Z
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◆
Core Problems
5 easy
3 medium
8/8
1
Single Number
easy
2
Number of 1 Bits
easy
3
Counting Bits
easy
4
Reverse Bits
easy
5
Missing Number
easy
6
Single Number II
medium
7
Sum of Two Integers
medium
8
Bitwise AND of Numbers Range
medium
◆
More to Master — Solve these to master this pattern
2 easy
2 medium
4/4
1
Gray Code
medium
2
Maximum XOR of Two Numbers in an Array
medium
3
Sum of All Subset XOR Totals
easy
4
Binary Watch
easy