Submission #587983

#TimeUsernameProblemLanguageResultExecution timeMemory
587983Jean7XOR Sum (info1cup17_xorsum)C++14
0 / 100
1676 ms12716 KiB
#include <bits/stdc++.h> #define fastio ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0) #define int long long using namespace std ; signed main () { fastio ; int n , ans = 0 ; cin >> n ; int a[n] ; for ( auto &it : a ) cin >> it ; for ( int i = 0 ; i < n ; i++ ) for ( int j = 0 ; j < n ; j++ ) ans ^= ( a[i] + a[j] ) ; cout << ans ; return 0 ; }
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