제출 #656307

#제출 시각아이디문제언어결과실행 시간메모리
656307benjaminkleynCoins (IOI17_coins)C++17
0 / 100
7 ms1412 KiB
#include <bits/stdc++.h> #include "coins.h" using namespace std; typedef long long ll; vector<int> coin_flips(vector<int> b, int c) { int x = 0; for (int i = 0; i < 64; i++) if (b[i]) x ^= i; b[x ^ c] ^= 1; return b; } int find_coin(vector<int> b) { int x = 0; for (int i = 0; i < 64; i++) if (b[i]) x ^= i; return x; }
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