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제출 #117709

#제출 시각아이디문제언어결과실행 시간메모리
117709nvmdavaCoins (IOI17_coins)C++17
100 / 100
13 ms1712 KiB
#include "coins.h" #include <bits/stdc++.h> std::vector<int> coin_flips(std::vector<int> b, int c) { int res = 0; for(int i = 0; i < 64; i++) res ^= b[i] * i; return {res ^ c}; } int find_coin(std::vector<int> b) { int res = 0; for(int i = 0; i < 64; i++) res ^= b[i] * i; return res; }
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