제출 #1088207

#제출 시각아이디문제언어결과실행 시간메모리
1088207vahagngXOR Sum (info1cup17_xorsum)C++17
7 / 100
1635 ms12684 KiB
#include <bits/stdc++.h> using namespace std; #define ll long long #define all(v) v.begin(),v.end() #define endl '\n' const int N = 1e6 + 10; ll n, a[N], ans; void solve(){ cin >> n; for(int i = 1; i <= n; i++){ cin >> a[i]; } for(int i = 1; i <= n; i++){ for(int j = i; j <= n; j++){ ans ^= (a[i] + a[j]); } } cout << ans << endl; } int main(){ int t = 1; // cin >> t; while(t--){ solve(); } return 0; }
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