oj.uz

Submission #520983

# Submission time Handle Problem Language Result Execution time Memory
520983 2022-01-31T15:14:27 Z ColourAttila Arranging Shoes (IOI19_shoes) C++17
25 / 100
 17 ms 1868 KB 
#include "shoes.h"
#include<bits/stdc++.h>

using namespace std;

long long count_swaps(std::vector<int> s) {
	if(s.size() == 2) {
        return s[0] < 0 ? 0 : 1;
	}
	
	long long n = s.size()/2;
	return (n * (n-1)/2);
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Incorrect 0 ms 204 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 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Incorrect 0 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 16 ms 1852 KB Output is correct
6 Correct 17 ms 1740 KB Output is correct
7 Correct 17 ms 1868 KB Output is correct
8 Correct 16 ms 1856 KB Output is correct
9 Correct 16 ms 1868 KB Output is correct
10 Correct 17 ms 1868 KB Output is correct

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Incorrect 0 ms 204 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 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Incorrect 0 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -