제출 #646400

#제출 시각아이디문제언어결과실행 시간메모리
646400murad_2005XOR Sum (info1cup17_xorsum)C++17
7 / 100
1688 ms800 KiB
#include<bits/stdc++.h> using namespace std; const int up = 1e5 + 5; int a[up]; void solve(){ int n; cin >> n; int Res = 0; for(int i = 1; i <= n; i++){ cin >> a[i]; for(int j = 1; j <= i; j++){ Res ^= (a[i] + a[j]); } } cout << Res; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); int t; t = 1; // cin >> t; while(t--){ solve(); } return 0; }
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