제출 #648605

#제출 시각아이디문제언어결과실행 시간메모리
648605a_aguiloCoins (IOI17_coins)C++14
100 / 100
12 ms1556 KiB
#include "coins.h" #include<bits/stdc++.h> using namespace std; vector<int> coin_flips(vector<int> b, int c) { vector<int> flips(1); int TotalXOR = 0; for(int i = 0; i < 64; ++i){ if(b[i]) TotalXOR ^= i; } flips[0] = TotalXOR^c; return flips; } 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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