제출 #922617

#제출 시각아이디문제언어결과실행 시간메모리
922617HaciyevAlikXOR Sum (info1cup17_xorsum)C++14
7 / 100
1627 ms8788 KiB
#include <bits/stdc++.h> using namespace std; using ll = long long; int main(){ ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n; cin >> n; vector<int> a(n+1); for(int i=1;i<=n;++i) { cin >> a[i]; } int xorr=0; for(int i=1;i<=n;++i) { for(int j=i;j<=n;++j) { xorr^=(a[i]+a[j]); } } cout << xorr; return 0; }
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