제출 #755212

#제출 시각아이디문제언어결과실행 시간메모리
755212AliHasanliXOR Sum (info1cup17_xorsum)C++17
7 / 100
1667 ms12728 KiB
#include<bits/stdc++.h> using namespace std; int main (){ long long ans=0; int n; cin>>n; long long a[n]; for(int i=0;i<n;i++) cin>>a[i]; for(int i=0;i<n;i++) for(int j=i;j<n;j++) ans^=(a[i]+a[j]); cout<<ans; return 0; }
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