제출 #675416

#제출 시각아이디문제언어결과실행 시간메모리
675416m23022002Coins (IOI17_coins)C++14
100 / 100
11 ms1408 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<=63;++i) if(b[i] == 1) x = x ^ i; x = x ^ c; vector<int>ans(1); ans[0] = x; return ans; } int find_coin(vector<int> b) { int ans = 0; for(int i=0;i<64;++i) if(b[i] == 1) ans = ans ^ i; return ans; }
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