제출 #571348

#제출 시각아이디문제언어결과실행 시간메모리
571348RandomLBCoins (IOI17_coins)C++17
100 / 100
10 ms1568 KiB
#include <bits/stdc++.h> using namespace std; vector<int> coin_flips(vector<int> b, int c){ int xr = 0; for (int i = 0; i < 64; i++) if (b[i]) xr ^= i; return vector<int>(1, c^xr); } int find_coin(vector<int> b){ int xr = 0; for (int i = 0; i < 64; i++) if (b[i]) xr ^= i; return xr; }
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