#include <bits/stdc++.h>
using namespace std;
#define ll long long
const ll MOD = 1e9+7;
const ll N = 2e5+10;
const ll inf = 1e9+100;
const double eps = 1;
int n, a[N];
set<int> L[N], R[N];
ll ans;
long long count_swaps(std::vector<int> s) {
/*for(int c : s) printf("%d ", c);
printf("\n");*/
ans = 0;
n = s.size();
for(int i = 1;i <= n;i++) {
a[i] = s[i-1];
if(a[i] < 0) L[-a[i]].insert(i);
else R[a[i]].insert(i);
}
/*for(int i = 1; i <= 2; i++) {
printf("left %d:", i);
for(int c : L[i]) printf("%d ", c);
printf("\n");
}
for(int i = 1; i <= 2; i++) {
printf("right %d:", i);
for(int c : R[i]) printf("%d ", c);
printf("\n");
}*/
for(int i = 1; i <= n; i += 2){
int pos, req;
if(a[i] < 0) {
pos = *R[-a[i]].begin();
L[-a[i]].erase(i);
R[-a[i]].erase(pos);
req = i+1;
}
else {
pos = *L[a[i]].begin();
R[a[i]].erase(i);
L[a[i]].erase(pos);
req = i;
}
for(int j = pos - 1; j > i; j--) {
if(a[j] < 0) {
L[-a[j]].erase(j);
L[-a[j]].insert(j+1);
}
else {
R[a[j]].erase(j);
R[a[j]].insert(j+1);
}
}
for(int j = pos; j > req; j--) {
ans++;
swap(a[j], a[j-1]);
}
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
19020 KB |
Output is correct |
2 |
Correct |
11 ms |
19040 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
19020 KB |
Output is correct |
2 |
Correct |
11 ms |
19040 KB |
Output is correct |
3 |
Correct |
10 ms |
18988 KB |
Output is correct |
4 |
Correct |
10 ms |
19076 KB |
Output is correct |
5 |
Correct |
11 ms |
19020 KB |
Output is correct |
6 |
Correct |
11 ms |
19088 KB |
Output is correct |
7 |
Correct |
11 ms |
19020 KB |
Output is correct |
8 |
Correct |
11 ms |
19020 KB |
Output is correct |
9 |
Correct |
11 ms |
19072 KB |
Output is correct |
10 |
Correct |
10 ms |
19008 KB |
Output is correct |
11 |
Correct |
10 ms |
19052 KB |
Output is correct |
12 |
Correct |
10 ms |
19084 KB |
Output is correct |
13 |
Correct |
10 ms |
19020 KB |
Output is correct |
14 |
Correct |
14 ms |
19020 KB |
Output is correct |
15 |
Correct |
11 ms |
19020 KB |
Output is correct |
16 |
Correct |
10 ms |
19020 KB |
Output is correct |
17 |
Correct |
10 ms |
19020 KB |
Output is correct |
18 |
Correct |
11 ms |
19068 KB |
Output is correct |
19 |
Correct |
11 ms |
18972 KB |
Output is correct |
20 |
Correct |
11 ms |
19020 KB |
Output is correct |
21 |
Correct |
11 ms |
18968 KB |
Output is correct |
22 |
Correct |
11 ms |
19088 KB |
Output is correct |
23 |
Correct |
10 ms |
19020 KB |
Output is correct |
24 |
Correct |
10 ms |
19020 KB |
Output is correct |
25 |
Correct |
10 ms |
19048 KB |
Output is correct |
26 |
Correct |
12 ms |
19072 KB |
Output is correct |
27 |
Correct |
11 ms |
19020 KB |
Output is correct |
28 |
Correct |
11 ms |
19020 KB |
Output is correct |
29 |
Correct |
11 ms |
19020 KB |
Output is correct |
30 |
Correct |
10 ms |
19020 KB |
Output is correct |
31 |
Correct |
10 ms |
19020 KB |
Output is correct |
32 |
Correct |
10 ms |
19064 KB |
Output is correct |
33 |
Correct |
11 ms |
19020 KB |
Output is correct |
34 |
Correct |
11 ms |
19020 KB |
Output is correct |
35 |
Correct |
12 ms |
19020 KB |
Output is correct |
36 |
Correct |
11 ms |
18984 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
19020 KB |
Output is correct |
2 |
Correct |
11 ms |
19040 KB |
Output is correct |
3 |
Correct |
12 ms |
19020 KB |
Output is correct |
4 |
Correct |
11 ms |
19020 KB |
Output is correct |
5 |
Correct |
11 ms |
19020 KB |
Output is correct |
6 |
Correct |
11 ms |
18980 KB |
Output is correct |
7 |
Correct |
11 ms |
19020 KB |
Output is correct |
8 |
Correct |
10 ms |
19088 KB |
Output is correct |
9 |
Correct |
11 ms |
19020 KB |
Output is correct |
10 |
Correct |
10 ms |
19020 KB |
Output is correct |
11 |
Correct |
12 ms |
19020 KB |
Output is correct |
12 |
Correct |
11 ms |
19020 KB |
Output is correct |
13 |
Correct |
11 ms |
18996 KB |
Output is correct |
14 |
Correct |
10 ms |
19056 KB |
Output is correct |
15 |
Correct |
11 ms |
18980 KB |
Output is correct |
16 |
Correct |
11 ms |
18984 KB |
Output is correct |
17 |
Correct |
12 ms |
19020 KB |
Output is correct |
18 |
Correct |
15 ms |
19148 KB |
Output is correct |
19 |
Correct |
16 ms |
19092 KB |
Output is correct |
20 |
Correct |
77 ms |
20188 KB |
Output is correct |
21 |
Correct |
106 ms |
20240 KB |
Output is correct |
22 |
Execution timed out |
1093 ms |
30820 KB |
Time limit exceeded |
23 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
19020 KB |
Output is correct |
2 |
Correct |
11 ms |
19084 KB |
Output is correct |
3 |
Correct |
11 ms |
19020 KB |
Output is correct |
4 |
Correct |
11 ms |
19020 KB |
Output is correct |
5 |
Execution timed out |
1082 ms |
30756 KB |
Time limit exceeded |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
19020 KB |
Output is correct |
2 |
Correct |
11 ms |
19040 KB |
Output is correct |
3 |
Correct |
10 ms |
18988 KB |
Output is correct |
4 |
Correct |
10 ms |
19076 KB |
Output is correct |
5 |
Correct |
11 ms |
19020 KB |
Output is correct |
6 |
Correct |
11 ms |
19088 KB |
Output is correct |
7 |
Correct |
11 ms |
19020 KB |
Output is correct |
8 |
Correct |
11 ms |
19020 KB |
Output is correct |
9 |
Correct |
11 ms |
19072 KB |
Output is correct |
10 |
Correct |
10 ms |
19008 KB |
Output is correct |
11 |
Correct |
10 ms |
19052 KB |
Output is correct |
12 |
Correct |
10 ms |
19084 KB |
Output is correct |
13 |
Correct |
10 ms |
19020 KB |
Output is correct |
14 |
Correct |
14 ms |
19020 KB |
Output is correct |
15 |
Correct |
11 ms |
19020 KB |
Output is correct |
16 |
Correct |
10 ms |
19020 KB |
Output is correct |
17 |
Correct |
10 ms |
19020 KB |
Output is correct |
18 |
Correct |
11 ms |
19068 KB |
Output is correct |
19 |
Correct |
11 ms |
18972 KB |
Output is correct |
20 |
Correct |
11 ms |
19020 KB |
Output is correct |
21 |
Correct |
11 ms |
18968 KB |
Output is correct |
22 |
Correct |
11 ms |
19088 KB |
Output is correct |
23 |
Correct |
10 ms |
19020 KB |
Output is correct |
24 |
Correct |
10 ms |
19020 KB |
Output is correct |
25 |
Correct |
10 ms |
19048 KB |
Output is correct |
26 |
Correct |
12 ms |
19072 KB |
Output is correct |
27 |
Correct |
11 ms |
19020 KB |
Output is correct |
28 |
Correct |
11 ms |
19020 KB |
Output is correct |
29 |
Correct |
11 ms |
19020 KB |
Output is correct |
30 |
Correct |
10 ms |
19020 KB |
Output is correct |
31 |
Correct |
10 ms |
19020 KB |
Output is correct |
32 |
Correct |
10 ms |
19064 KB |
Output is correct |
33 |
Correct |
11 ms |
19020 KB |
Output is correct |
34 |
Correct |
11 ms |
19020 KB |
Output is correct |
35 |
Correct |
12 ms |
19020 KB |
Output is correct |
36 |
Correct |
11 ms |
18984 KB |
Output is correct |
37 |
Correct |
10 ms |
18988 KB |
Output is correct |
38 |
Correct |
11 ms |
19032 KB |
Output is correct |
39 |
Correct |
11 ms |
19016 KB |
Output is correct |
40 |
Correct |
13 ms |
19084 KB |
Output is correct |
41 |
Correct |
37 ms |
19180 KB |
Output is correct |
42 |
Correct |
12 ms |
19148 KB |
Output is correct |
43 |
Correct |
14 ms |
19148 KB |
Output is correct |
44 |
Correct |
73 ms |
19076 KB |
Output is correct |
45 |
Correct |
15 ms |
19148 KB |
Output is correct |
46 |
Correct |
13 ms |
19116 KB |
Output is correct |
47 |
Correct |
61 ms |
19148 KB |
Output is correct |
48 |
Correct |
52 ms |
19148 KB |
Output is correct |
49 |
Correct |
46 ms |
19088 KB |
Output is correct |
50 |
Correct |
83 ms |
19148 KB |
Output is correct |
51 |
Correct |
69 ms |
19192 KB |
Output is correct |
52 |
Correct |
57 ms |
19148 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
11 ms |
19020 KB |
Output is correct |
2 |
Correct |
11 ms |
19040 KB |
Output is correct |
3 |
Correct |
10 ms |
18988 KB |
Output is correct |
4 |
Correct |
10 ms |
19076 KB |
Output is correct |
5 |
Correct |
11 ms |
19020 KB |
Output is correct |
6 |
Correct |
11 ms |
19088 KB |
Output is correct |
7 |
Correct |
11 ms |
19020 KB |
Output is correct |
8 |
Correct |
11 ms |
19020 KB |
Output is correct |
9 |
Correct |
11 ms |
19072 KB |
Output is correct |
10 |
Correct |
10 ms |
19008 KB |
Output is correct |
11 |
Correct |
10 ms |
19052 KB |
Output is correct |
12 |
Correct |
10 ms |
19084 KB |
Output is correct |
13 |
Correct |
10 ms |
19020 KB |
Output is correct |
14 |
Correct |
14 ms |
19020 KB |
Output is correct |
15 |
Correct |
11 ms |
19020 KB |
Output is correct |
16 |
Correct |
10 ms |
19020 KB |
Output is correct |
17 |
Correct |
10 ms |
19020 KB |
Output is correct |
18 |
Correct |
11 ms |
19068 KB |
Output is correct |
19 |
Correct |
11 ms |
18972 KB |
Output is correct |
20 |
Correct |
11 ms |
19020 KB |
Output is correct |
21 |
Correct |
11 ms |
18968 KB |
Output is correct |
22 |
Correct |
11 ms |
19088 KB |
Output is correct |
23 |
Correct |
10 ms |
19020 KB |
Output is correct |
24 |
Correct |
10 ms |
19020 KB |
Output is correct |
25 |
Correct |
10 ms |
19048 KB |
Output is correct |
26 |
Correct |
12 ms |
19072 KB |
Output is correct |
27 |
Correct |
11 ms |
19020 KB |
Output is correct |
28 |
Correct |
11 ms |
19020 KB |
Output is correct |
29 |
Correct |
11 ms |
19020 KB |
Output is correct |
30 |
Correct |
10 ms |
19020 KB |
Output is correct |
31 |
Correct |
10 ms |
19020 KB |
Output is correct |
32 |
Correct |
10 ms |
19064 KB |
Output is correct |
33 |
Correct |
11 ms |
19020 KB |
Output is correct |
34 |
Correct |
11 ms |
19020 KB |
Output is correct |
35 |
Correct |
12 ms |
19020 KB |
Output is correct |
36 |
Correct |
11 ms |
18984 KB |
Output is correct |
37 |
Correct |
12 ms |
19020 KB |
Output is correct |
38 |
Correct |
11 ms |
19020 KB |
Output is correct |
39 |
Correct |
11 ms |
19020 KB |
Output is correct |
40 |
Correct |
11 ms |
18980 KB |
Output is correct |
41 |
Correct |
11 ms |
19020 KB |
Output is correct |
42 |
Correct |
10 ms |
19088 KB |
Output is correct |
43 |
Correct |
11 ms |
19020 KB |
Output is correct |
44 |
Correct |
10 ms |
19020 KB |
Output is correct |
45 |
Correct |
12 ms |
19020 KB |
Output is correct |
46 |
Correct |
11 ms |
19020 KB |
Output is correct |
47 |
Correct |
11 ms |
18996 KB |
Output is correct |
48 |
Correct |
10 ms |
19056 KB |
Output is correct |
49 |
Correct |
11 ms |
18980 KB |
Output is correct |
50 |
Correct |
11 ms |
18984 KB |
Output is correct |
51 |
Correct |
12 ms |
19020 KB |
Output is correct |
52 |
Correct |
15 ms |
19148 KB |
Output is correct |
53 |
Correct |
16 ms |
19092 KB |
Output is correct |
54 |
Correct |
77 ms |
20188 KB |
Output is correct |
55 |
Correct |
106 ms |
20240 KB |
Output is correct |
56 |
Execution timed out |
1093 ms |
30820 KB |
Time limit exceeded |
57 |
Halted |
0 ms |
0 KB |
- |