oj.uz

Submission #143499

# Submission time Handle Problem Language Result Execution time Memory
143499 2019-08-14T11:37:15 Z muradeyn Arranging Shoes (IOI19_shoes) C++14
50 / 100
 1000 ms 2040 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;



long long count_swaps(vector<int> s) {
	long long ret = 0;
	int n = s.size();
	for (int i = 0;i<n;i+=2) {
        if (s[i] != -s[i + 1]) {
            int fn;
            for (int j = i + 2;j < n;j++) {
                if (s[j] == -s[i]) {
                    fn = j;
                    break;
                }
            }
            while (fn != i + 1) {
                ret++;
                swap(s[fn] , s[fn - 1]);
                fn--;
            }
        }
        if (s[i] > s[i + 1]) {
            ret++;
            swap(s[i] , s[i + 1]);
        }
	}
	return ret;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:13:17: warning: 'fn' may be used uninitialized in this function [-Wmaybe-uninitialized]
             int fn;
                 ^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 3 ms 404 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 4 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 252 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 3 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 12 ms 376 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 5 ms 504 KB Output is correct
21 Correct 9 ms 504 KB Output is correct
22 Correct 44 ms 1912 KB Output is correct
23 Correct 26 ms 2040 KB Output is correct
24 Correct 30 ms 1912 KB Output is correct
25 Execution timed out 1053 ms 1912 KB Time limit exceeded
26 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Execution timed out 1053 ms 1912 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 3 ms 404 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 4 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 252 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 3 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 12 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 380 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 3 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 2 ms 380 KB Output is correct
44 Correct 4 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 4 ms 376 KB Output is correct
48 Correct 3 ms 376 KB Output is correct
49 Correct 3 ms 376 KB Output is correct
50 Correct 4 ms 376 KB Output is correct
51 Correct 3 ms 376 KB Output is correct
52 Correct 4 ms 376 KB Output is correct

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 3 ms 404 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 4 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 252 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 3 ms 256 KB Output is correct
35 Correct 2 ms 256 KB Output is correct
36 Correct 12 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 2 ms 256 KB Output is correct
41 Correct 2 ms 256 KB Output is correct
42 Correct 2 ms 256 KB Output is correct
43 Correct 2 ms 256 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 256 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 3 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 2 ms 256 KB Output is correct
54 Correct 5 ms 504 KB Output is correct
55 Correct 9 ms 504 KB Output is correct
56 Correct 44 ms 1912 KB Output is correct
57 Correct 26 ms 2040 KB Output is correct
58 Correct 30 ms 1912 KB Output is correct
59 Execution timed out 1053 ms 1912 KB Time limit exceeded
60 Halted 0 ms 0 KB -