Submission #498747

#TimeUsernameProblemLanguageResultExecution timeMemory
498747ahmedfouadnewXOR Sum (info1cup17_xorsum)C++17
7 / 100
6 ms716 KiB
#include<bits/stdc++.h> using namespace std; #define int long long #define pb push_back int a[5005]; signed main() { int n; cin>>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<<endl; }
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