These problems are related to bit manupulation.
Count triplets that can form two arrays of equal xor - May 13, 2023
Game of nim - January 29, 2023
Find xor beauty of array - January 8, 2023
XOR operation in an array - December 27, 2022
Bitwise or of all subsequence sums - December 26, 2022
Bitwise xor of all pairings - November 30, 2022
Maximum xor after operations - November 15, 2022
Sort integers by the number of 1 bits - November 6, 2022
XOR queries of a subarray - October 27, 2022
Add binary - October 4, 2022
Concatenation of consecutive binary numbers - September 23, 2022
UTF-8 validation - September 13, 2022
Single number III - September 5, 2022
Single number II - September 5, 2022
Gray code - September 3, 2022
Bitwise and of numbers range - September 1, 2022
Maximum xor of two numbers in an array - August 30, 2022
Reordered power of 2 - August 26, 2022
reverse-integer - July 31, 2022
Number of 1 bits - July 16, 2022
Reverse bits - July 16, 2022
Missing number - July 16, 2022
Number of 1 bits - July 13, 2022
Single number - July 13, 2022