제출 #1219137

#제출 시각아이디문제언어결과실행 시간메모리
1219137mariamp1Coins (IOI17_coins)C++20
100 / 100
5 ms768 KiB
#include "coins.h" #include <vector> using namespace std; vector<int> coin_flips(vector<int> b, int c){ int x = 0; for (int i = 0; i < 64; i++) { if (b[i]) x ^= i; } return {x ^ c }; } int find_coin(vector<int> b){ int coin = 0; for (int i = 0; i < 64; i++) { if (b[i]) coin ^= i; } return coin; }
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