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Submission #587991

# Submission time Handle Problem Language Result Execution time Memory
587991 2022-07-02T15:48:20 Z Jean7 XOR Sum (info1cup17_xorsum) C++14
0 / 100
 239 ms 568 KB 
#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 ;

map <int,int> mp ;

signed main ()
{
    fastio ;
    int n , x , ans = 0 ;
    cin >> n ;
    for ( int i = 1 ; i <= n ; i++ )
    {
        cin >> x ;
        mp[x]++ ;
    }
    for ( auto it = mp.begin() ; it != mp.end() ; it++ )
        for ( auto itr = it ; itr != mp.end() ; itr++ )
            if ( ( it->first + itr->first ) * ( it->second + itr->second ) % 2 == 0 )
                ans ^= ( it->first + itr->first ) ;
    cout << ans ;
    return 0 ;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 76 ms 552 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 239 ms 568 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 239 ms 568 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Incorrect 76 ms 552 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 76 ms 552 KB Output isn't correct
2 Halted 0 ms 0 KB -