#include "shoes.h"
using namespace std;
long long count_swaps(vector<int> a) {
int n = a.size()/2;
long long ans = 0;
for(int i=0;i<n;i++){
if(a[i*2]+a[i*2+1] == 0){
if(a[i*2] > 0){
ans ++;
swap(a[i*2], a[i*2+1]);
}
continue;
}
int j;
for(j=i*2+1; j < n*2; j++){
if(a[j] == -a[i*2]){ // found
break;
}
}
if(a[i*2] < 0){
while(j-1 > i*2){
j--;
swap(a[j], a[j+1]);
ans ++ ;
}
}else {
while(j-1 >= i*2){
j--;
swap(a[j], a[j+1]);
ans ++ ;
}
}
}
return ans;
}
/*
3
-2 2 2 -2 -2 2
2
2 1 -1 -2
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
256 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
0 ms |
256 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
0 ms |
256 KB |
Output is correct |
20 |
Correct |
1 ms |
256 KB |
Output is correct |
21 |
Correct |
0 ms |
256 KB |
Output is correct |
22 |
Correct |
0 ms |
256 KB |
Output is correct |
23 |
Correct |
0 ms |
256 KB |
Output is correct |
24 |
Correct |
0 ms |
256 KB |
Output is correct |
25 |
Correct |
0 ms |
256 KB |
Output is correct |
26 |
Correct |
0 ms |
256 KB |
Output is correct |
27 |
Correct |
0 ms |
256 KB |
Output is correct |
28 |
Correct |
0 ms |
256 KB |
Output is correct |
29 |
Correct |
0 ms |
256 KB |
Output is correct |
30 |
Correct |
1 ms |
256 KB |
Output is correct |
31 |
Correct |
1 ms |
256 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
0 ms |
256 KB |
Output is correct |
35 |
Correct |
0 ms |
256 KB |
Output is correct |
36 |
Correct |
0 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
1 ms |
256 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
0 ms |
256 KB |
Output is correct |
11 |
Correct |
1 ms |
512 KB |
Output is correct |
12 |
Correct |
0 ms |
256 KB |
Output is correct |
13 |
Correct |
0 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
0 ms |
256 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
1 ms |
256 KB |
Output is correct |
20 |
Correct |
5 ms |
512 KB |
Output is correct |
21 |
Correct |
5 ms |
512 KB |
Output is correct |
22 |
Correct |
58 ms |
1932 KB |
Output is correct |
23 |
Correct |
29 ms |
1912 KB |
Output is correct |
24 |
Correct |
33 ms |
1912 KB |
Output is correct |
25 |
Execution timed out |
1099 ms |
1912 KB |
Time limit exceeded |
26 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Execution timed out |
1097 ms |
1920 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
256 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
0 ms |
256 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
0 ms |
256 KB |
Output is correct |
20 |
Correct |
1 ms |
256 KB |
Output is correct |
21 |
Correct |
0 ms |
256 KB |
Output is correct |
22 |
Correct |
0 ms |
256 KB |
Output is correct |
23 |
Correct |
0 ms |
256 KB |
Output is correct |
24 |
Correct |
0 ms |
256 KB |
Output is correct |
25 |
Correct |
0 ms |
256 KB |
Output is correct |
26 |
Correct |
0 ms |
256 KB |
Output is correct |
27 |
Correct |
0 ms |
256 KB |
Output is correct |
28 |
Correct |
0 ms |
256 KB |
Output is correct |
29 |
Correct |
0 ms |
256 KB |
Output is correct |
30 |
Correct |
1 ms |
256 KB |
Output is correct |
31 |
Correct |
1 ms |
256 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
0 ms |
256 KB |
Output is correct |
35 |
Correct |
0 ms |
256 KB |
Output is correct |
36 |
Correct |
0 ms |
256 KB |
Output is correct |
37 |
Correct |
0 ms |
256 KB |
Output is correct |
38 |
Correct |
1 ms |
256 KB |
Output is correct |
39 |
Correct |
0 ms |
256 KB |
Output is correct |
40 |
Correct |
1 ms |
256 KB |
Output is correct |
41 |
Correct |
3 ms |
256 KB |
Output is correct |
42 |
Correct |
1 ms |
256 KB |
Output is correct |
43 |
Correct |
1 ms |
256 KB |
Output is correct |
44 |
Correct |
4 ms |
256 KB |
Output is correct |
45 |
Correct |
1 ms |
256 KB |
Output is correct |
46 |
Correct |
1 ms |
256 KB |
Output is correct |
47 |
Correct |
3 ms |
256 KB |
Output is correct |
48 |
Correct |
2 ms |
256 KB |
Output is correct |
49 |
Correct |
2 ms |
256 KB |
Output is correct |
50 |
Correct |
2 ms |
256 KB |
Output is correct |
51 |
Correct |
2 ms |
256 KB |
Output is correct |
52 |
Correct |
4 ms |
256 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
0 ms |
256 KB |
Output is correct |
3 |
Correct |
0 ms |
256 KB |
Output is correct |
4 |
Correct |
0 ms |
256 KB |
Output is correct |
5 |
Correct |
0 ms |
256 KB |
Output is correct |
6 |
Correct |
0 ms |
256 KB |
Output is correct |
7 |
Correct |
0 ms |
256 KB |
Output is correct |
8 |
Correct |
0 ms |
256 KB |
Output is correct |
9 |
Correct |
0 ms |
256 KB |
Output is correct |
10 |
Correct |
1 ms |
256 KB |
Output is correct |
11 |
Correct |
0 ms |
256 KB |
Output is correct |
12 |
Correct |
1 ms |
256 KB |
Output is correct |
13 |
Correct |
1 ms |
256 KB |
Output is correct |
14 |
Correct |
0 ms |
256 KB |
Output is correct |
15 |
Correct |
0 ms |
256 KB |
Output is correct |
16 |
Correct |
1 ms |
256 KB |
Output is correct |
17 |
Correct |
0 ms |
256 KB |
Output is correct |
18 |
Correct |
1 ms |
256 KB |
Output is correct |
19 |
Correct |
0 ms |
256 KB |
Output is correct |
20 |
Correct |
1 ms |
256 KB |
Output is correct |
21 |
Correct |
0 ms |
256 KB |
Output is correct |
22 |
Correct |
0 ms |
256 KB |
Output is correct |
23 |
Correct |
0 ms |
256 KB |
Output is correct |
24 |
Correct |
0 ms |
256 KB |
Output is correct |
25 |
Correct |
0 ms |
256 KB |
Output is correct |
26 |
Correct |
0 ms |
256 KB |
Output is correct |
27 |
Correct |
0 ms |
256 KB |
Output is correct |
28 |
Correct |
0 ms |
256 KB |
Output is correct |
29 |
Correct |
0 ms |
256 KB |
Output is correct |
30 |
Correct |
1 ms |
256 KB |
Output is correct |
31 |
Correct |
1 ms |
256 KB |
Output is correct |
32 |
Correct |
1 ms |
384 KB |
Output is correct |
33 |
Correct |
1 ms |
384 KB |
Output is correct |
34 |
Correct |
0 ms |
256 KB |
Output is correct |
35 |
Correct |
0 ms |
256 KB |
Output is correct |
36 |
Correct |
0 ms |
256 KB |
Output is correct |
37 |
Correct |
0 ms |
256 KB |
Output is correct |
38 |
Correct |
0 ms |
256 KB |
Output is correct |
39 |
Correct |
0 ms |
256 KB |
Output is correct |
40 |
Correct |
0 ms |
256 KB |
Output is correct |
41 |
Correct |
1 ms |
256 KB |
Output is correct |
42 |
Correct |
0 ms |
256 KB |
Output is correct |
43 |
Correct |
0 ms |
256 KB |
Output is correct |
44 |
Correct |
0 ms |
256 KB |
Output is correct |
45 |
Correct |
1 ms |
512 KB |
Output is correct |
46 |
Correct |
0 ms |
256 KB |
Output is correct |
47 |
Correct |
0 ms |
256 KB |
Output is correct |
48 |
Correct |
0 ms |
256 KB |
Output is correct |
49 |
Correct |
0 ms |
256 KB |
Output is correct |
50 |
Correct |
1 ms |
256 KB |
Output is correct |
51 |
Correct |
0 ms |
256 KB |
Output is correct |
52 |
Correct |
1 ms |
256 KB |
Output is correct |
53 |
Correct |
1 ms |
256 KB |
Output is correct |
54 |
Correct |
5 ms |
512 KB |
Output is correct |
55 |
Correct |
5 ms |
512 KB |
Output is correct |
56 |
Correct |
58 ms |
1932 KB |
Output is correct |
57 |
Correct |
29 ms |
1912 KB |
Output is correct |
58 |
Correct |
33 ms |
1912 KB |
Output is correct |
59 |
Execution timed out |
1099 ms |
1912 KB |
Time limit exceeded |
60 |
Halted |
0 ms |
0 KB |
- |