#include<bits/stdc++.h>
using namespace std;
int N, arr[1000005];
multiset<int> S;
int main(){
cin >> N;
for( int i = 1; i <= N; i++ )
cin >> arr[i];
for( int i = 1; i <= N; i++ ){
if( S.find( arr[i] ) != S.end() ){
S.erase( arr[i] );
}
S.insert( arr[i] - 1 );
}
cout << (int)(S.size()) << endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
2 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
3 |
Incorrect |
5 ms |
376 KB |
Output isn't correct |
4 |
Incorrect |
6 ms |
380 KB |
Output isn't correct |
5 |
Incorrect |
568 ms |
7240 KB |
Output isn't correct |
6 |
Incorrect |
588 ms |
7360 KB |
Output isn't correct |
7 |
Incorrect |
477 ms |
6096 KB |
Output isn't correct |
8 |
Incorrect |
493 ms |
6112 KB |
Output isn't correct |
9 |
Incorrect |
596 ms |
6584 KB |
Output isn't correct |
10 |
Incorrect |
536 ms |
6676 KB |
Output isn't correct |