제출 #761564

#제출 시각아이디문제언어결과실행 시간메모리
761564vjudge1XOR Sum (info1cup17_xorsum)C++17
7 / 100
1668 ms8820 KiB
#include <bits/stdc++.h> using namespace std; typedef int64_t ll; signed main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin >> n; int a[n]; for (int i = 0; i < n; ++i) { cin >> a[i]; } int ans = 0; for (int i = 0; i < n; ++i) { for (int j = i; j < n; ++j) { ans ^= a[i] + a[j]; } } cout << ans; }
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