Competitive Programming Code Templates and Common Algorithms

Header File Templates C++ Template #include <bits/stdc++.h> #define fi first #define endl '\n' #define se second #define lowbit(x) ((x)&(-(x))) #define all(x) begin(x), end(x) #define lp(i, j, k) for(int i = int(j); i <= int(k); i++) #define rlp(i, j, k) for(int i = int(j); i >= int(k); i++) #define IO std::ios::sync_with_std ...

Posted on Mon, 08 Jun 2026 17:51:31 +0000 by atstein