제출 #1186897

#제출 시각아이디문제언어결과실행 시간메모리
1186897comxddddddCoins (IOI17_coins)C++20
100 / 100
5 ms584 KiB
#include "coins.h" #include <bits/stdc++.h> using namespace std; vector<int> coin_flips(vector<int> b, int c) { int temp = 0; for (int i=0; i<(int)b.size(); i++) temp ^= i * b[i]; vector<int> ans(1, c ^ temp); return ans; } int find_coin(vector<int> b) { int ans = 0; for (int i=0; i<(int)b.size(); i++) ans ^= i * b[i]; return ans; }
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