oj.uz

Submission #985548

# Submission time Handle Problem Language Result Execution time Memory
985548 2024-05-18T07:24:23 Z LucaIlie Arranging Shoes (IOI19_shoes) C++17
10 / 100
 22 ms 5712 KB 
#include "shoes.h"

using namespace std;

#define nmax 100000
int v[nmax];
int n;

int find_pair( int l ) {
    int i;
    if( v[l] < 0 ) {
        for( i = l + 1; i < n; i++ ) {
            if( v[i] + v[l] == 0 )
                break;
        }
        swap( v[l + 1], v[i] );
        return i - l - 1;
    } else {
        for( i = l + 1; i < n; i++ ) {
            if( v[i] + v[l] == 0 )
                break;
        }
        swap( v[l + 1], v[i] );
        return i - l;
    }
}

long long count_swaps( vector<int> s) {
    int i, l, rez = 0;
    n = s.size();
    for( i = 0; i < n; i++ )
        v[i] = s[i];
    for( l = 0; l < n; l += 2 ) {
        rez += find_pair( l );
    }
    return rez;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 3 ms 604 KB Output is correct
22 Runtime error 22 ms 5564 KB Execution killed with signal 11
23 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 428 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Runtime error 16 ms 5712 KB Execution killed with signal 11
6 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -