제출 #988618

#제출 시각아이디문제언어결과실행 시간메모리
988618AriadnaCoins (IOI17_coins)C++14
100 / 100
9 ms1916 KiB
#include "coins.h" #include <bits/stdc++.h> using namespace std; vector<int> coin_flips(vector<int> b, int c) { int val = 0; for (int i = 0; i < 64; ++i) { if (b[i]) val ^= i; } return {c^val}; } int find_coin(vector<int> b) { int ans = 0; for (int i = 0; i < 64; ++i) { if (b[i]) ans ^= i; } return ans; }
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