Can you please give a counter-example to find the error in my approach??? (I guess there is an overflow -_-) Problem:- https://codeforces.com/problemset/problem/1594/C My approach:- https://codeforces.com/contest/1594/submission/170945137

Hey, hi... I want to improve my knowledge and logic about bitwise operators like xor, and, or... I struggle a lot while doing questions about xor etc... and until today I was not able to solve a single question about xor myself... please help and suggest some really useful resources.