#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 ;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
76 ms |
552 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
239 ms |
568 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
239 ms |
568 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
76 ms |
552 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
76 ms |
552 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |