제출 #872252

#제출 시각아이디문제언어결과실행 시간메모리
872252TheSahibCoins (IOI17_coins)C++17
100 / 100
7 ms2188 KiB
#include <bits/stdc++.h> #include "coins.h" std::vector<int> coin_flips(std::vector<int> b, int c) { int ans = c; for(int i = 0; i < 64; ++i) ans ^= b[i] * i; return {ans}; } int find_coin(std::vector<int> b) { int ans = 0; for(int i = 0; i < 64; ++i) ans ^= b[i] * i; return ans; }
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