#include "shoes.h"
#include <bits/stdc++.h>
#define fi first
#define se second
#define ll long long
#define dl double long
using namespace std;
const int NN = 1e9 + 7;
const int N = 2e6 + 7;
const int M = 26;
const ll mod = 1e9 + 7;
const ll inf = 1e18 + 7;
const dl rf = 1e-14;
const int B = sqrt(N);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int d[N];
void upd( int x , int y )
{
while( x < N ){
d[x] += y;
x += x & -x;
}
}
int get( int x )
{
int cnt = 0;
while( x > 0 ){
cnt += d[x];
x -= x & -x;
}
return cnt;
}
map < int , deque < int > > m;
long long count_swaps(vector<int> s)
{
int n = (int)s.size();
ll ans = 0;
for( int i = 0; i < n; i++ ){
m[s[i]].push_back(i + 1);
}
vector < int > used(n + 1 , 0);
for( int i = 0; i < n; i++ ){
if( used[i] )continue;
int l = m[s[i]].front();
int r = m[-s[i]].front();
m[s[i]].pop_front();
m[-s[i]].pop_front();
ans += r - l - (s[i] < 0) - get( r ) + get( l );
upd( r , 1 );
used[l - 1] = used[r - 1] = 1;
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
0 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
0 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
0 ms |
384 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
0 ms |
384 KB |
Output is correct |
28 |
Correct |
0 ms |
384 KB |
Output is correct |
29 |
Correct |
0 ms |
384 KB |
Output is correct |
30 |
Correct |
0 ms |
384 KB |
Output is correct |
31 |
Correct |
0 ms |
384 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 |
384 KB |
Output is correct |
35 |
Correct |
0 ms |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
4 ms |
896 KB |
Output is correct |
21 |
Correct |
4 ms |
896 KB |
Output is correct |
22 |
Correct |
39 ms |
5244 KB |
Output is correct |
23 |
Correct |
38 ms |
5112 KB |
Output is correct |
24 |
Correct |
38 ms |
5112 KB |
Output is correct |
25 |
Correct |
34 ms |
4732 KB |
Output is correct |
26 |
Correct |
40 ms |
5624 KB |
Output is correct |
27 |
Correct |
35 ms |
5368 KB |
Output is correct |
28 |
Correct |
35 ms |
5240 KB |
Output is correct |
29 |
Correct |
34 ms |
5240 KB |
Output is correct |
30 |
Correct |
36 ms |
5368 KB |
Output is correct |
31 |
Correct |
47 ms |
5632 KB |
Output is correct |
32 |
Correct |
35 ms |
5240 KB |
Output is correct |
33 |
Correct |
45 ms |
4984 KB |
Output is correct |
34 |
Correct |
35 ms |
5240 KB |
Output is correct |
35 |
Correct |
0 ms |
384 KB |
Output is correct |
36 |
Correct |
1 ms |
384 KB |
Output is correct |
37 |
Correct |
52 ms |
5240 KB |
Output is correct |
38 |
Correct |
40 ms |
5240 KB |
Output is correct |
39 |
Correct |
36 ms |
5240 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
501 ms |
148216 KB |
Output is correct |
6 |
Correct |
166 ms |
17016 KB |
Output is correct |
7 |
Correct |
509 ms |
148488 KB |
Output is correct |
8 |
Correct |
39 ms |
5236 KB |
Output is correct |
9 |
Correct |
501 ms |
148344 KB |
Output is correct |
10 |
Correct |
419 ms |
76504 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
0 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
0 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
0 ms |
384 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
0 ms |
384 KB |
Output is correct |
28 |
Correct |
0 ms |
384 KB |
Output is correct |
29 |
Correct |
0 ms |
384 KB |
Output is correct |
30 |
Correct |
0 ms |
384 KB |
Output is correct |
31 |
Correct |
0 ms |
384 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 |
384 KB |
Output is correct |
35 |
Correct |
0 ms |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
384 KB |
Output is correct |
37 |
Correct |
0 ms |
384 KB |
Output is correct |
38 |
Correct |
0 ms |
384 KB |
Output is correct |
39 |
Correct |
1 ms |
512 KB |
Output is correct |
40 |
Correct |
1 ms |
640 KB |
Output is correct |
41 |
Correct |
3 ms |
1792 KB |
Output is correct |
42 |
Correct |
2 ms |
1792 KB |
Output is correct |
43 |
Correct |
2 ms |
1664 KB |
Output is correct |
44 |
Correct |
2 ms |
1536 KB |
Output is correct |
45 |
Correct |
2 ms |
1408 KB |
Output is correct |
46 |
Correct |
2 ms |
1152 KB |
Output is correct |
47 |
Correct |
2 ms |
1024 KB |
Output is correct |
48 |
Correct |
2 ms |
896 KB |
Output is correct |
49 |
Correct |
1 ms |
896 KB |
Output is correct |
50 |
Correct |
1 ms |
384 KB |
Output is correct |
51 |
Correct |
1 ms |
384 KB |
Output is correct |
52 |
Correct |
2 ms |
1792 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
0 ms |
384 KB |
Output is correct |
18 |
Correct |
0 ms |
384 KB |
Output is correct |
19 |
Correct |
0 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
0 ms |
384 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
0 ms |
384 KB |
Output is correct |
28 |
Correct |
0 ms |
384 KB |
Output is correct |
29 |
Correct |
0 ms |
384 KB |
Output is correct |
30 |
Correct |
0 ms |
384 KB |
Output is correct |
31 |
Correct |
0 ms |
384 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 |
384 KB |
Output is correct |
35 |
Correct |
0 ms |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
384 KB |
Output is correct |
37 |
Correct |
0 ms |
384 KB |
Output is correct |
38 |
Correct |
0 ms |
384 KB |
Output is correct |
39 |
Correct |
0 ms |
384 KB |
Output is correct |
40 |
Correct |
0 ms |
384 KB |
Output is correct |
41 |
Correct |
0 ms |
384 KB |
Output is correct |
42 |
Correct |
1 ms |
384 KB |
Output is correct |
43 |
Correct |
0 ms |
384 KB |
Output is correct |
44 |
Correct |
0 ms |
384 KB |
Output is correct |
45 |
Correct |
0 ms |
384 KB |
Output is correct |
46 |
Correct |
0 ms |
384 KB |
Output is correct |
47 |
Correct |
0 ms |
384 KB |
Output is correct |
48 |
Correct |
0 ms |
384 KB |
Output is correct |
49 |
Correct |
1 ms |
384 KB |
Output is correct |
50 |
Correct |
0 ms |
384 KB |
Output is correct |
51 |
Correct |
1 ms |
384 KB |
Output is correct |
52 |
Correct |
1 ms |
384 KB |
Output is correct |
53 |
Correct |
1 ms |
384 KB |
Output is correct |
54 |
Correct |
4 ms |
896 KB |
Output is correct |
55 |
Correct |
4 ms |
896 KB |
Output is correct |
56 |
Correct |
39 ms |
5244 KB |
Output is correct |
57 |
Correct |
38 ms |
5112 KB |
Output is correct |
58 |
Correct |
38 ms |
5112 KB |
Output is correct |
59 |
Correct |
34 ms |
4732 KB |
Output is correct |
60 |
Correct |
40 ms |
5624 KB |
Output is correct |
61 |
Correct |
35 ms |
5368 KB |
Output is correct |
62 |
Correct |
35 ms |
5240 KB |
Output is correct |
63 |
Correct |
34 ms |
5240 KB |
Output is correct |
64 |
Correct |
36 ms |
5368 KB |
Output is correct |
65 |
Correct |
47 ms |
5632 KB |
Output is correct |
66 |
Correct |
35 ms |
5240 KB |
Output is correct |
67 |
Correct |
45 ms |
4984 KB |
Output is correct |
68 |
Correct |
35 ms |
5240 KB |
Output is correct |
69 |
Correct |
0 ms |
384 KB |
Output is correct |
70 |
Correct |
1 ms |
384 KB |
Output is correct |
71 |
Correct |
52 ms |
5240 KB |
Output is correct |
72 |
Correct |
40 ms |
5240 KB |
Output is correct |
73 |
Correct |
36 ms |
5240 KB |
Output is correct |
74 |
Correct |
0 ms |
384 KB |
Output is correct |
75 |
Correct |
0 ms |
384 KB |
Output is correct |
76 |
Correct |
1 ms |
384 KB |
Output is correct |
77 |
Correct |
0 ms |
384 KB |
Output is correct |
78 |
Correct |
501 ms |
148216 KB |
Output is correct |
79 |
Correct |
166 ms |
17016 KB |
Output is correct |
80 |
Correct |
509 ms |
148488 KB |
Output is correct |
81 |
Correct |
39 ms |
5236 KB |
Output is correct |
82 |
Correct |
501 ms |
148344 KB |
Output is correct |
83 |
Correct |
419 ms |
76504 KB |
Output is correct |
84 |
Correct |
0 ms |
384 KB |
Output is correct |
85 |
Correct |
0 ms |
384 KB |
Output is correct |
86 |
Correct |
1 ms |
512 KB |
Output is correct |
87 |
Correct |
1 ms |
640 KB |
Output is correct |
88 |
Correct |
3 ms |
1792 KB |
Output is correct |
89 |
Correct |
2 ms |
1792 KB |
Output is correct |
90 |
Correct |
2 ms |
1664 KB |
Output is correct |
91 |
Correct |
2 ms |
1536 KB |
Output is correct |
92 |
Correct |
2 ms |
1408 KB |
Output is correct |
93 |
Correct |
2 ms |
1152 KB |
Output is correct |
94 |
Correct |
2 ms |
1024 KB |
Output is correct |
95 |
Correct |
2 ms |
896 KB |
Output is correct |
96 |
Correct |
1 ms |
896 KB |
Output is correct |
97 |
Correct |
1 ms |
384 KB |
Output is correct |
98 |
Correct |
1 ms |
384 KB |
Output is correct |
99 |
Correct |
2 ms |
1792 KB |
Output is correct |
100 |
Correct |
2 ms |
1792 KB |
Output is correct |
101 |
Correct |
33 ms |
13696 KB |
Output is correct |
102 |
Correct |
14 ms |
3584 KB |
Output is correct |
103 |
Correct |
556 ms |
148856 KB |
Output is correct |
104 |
Correct |
477 ms |
148984 KB |
Output is correct |
105 |
Correct |
435 ms |
86520 KB |
Output is correct |
106 |
Correct |
475 ms |
148352 KB |
Output is correct |
107 |
Correct |
188 ms |
20728 KB |
Output is correct |
108 |
Correct |
238 ms |
36856 KB |
Output is correct |
109 |
Correct |
36 ms |
5248 KB |
Output is correct |
110 |
Correct |
35 ms |
5264 KB |
Output is correct |
111 |
Correct |
468 ms |
132472 KB |
Output is correct |
112 |
Correct |
485 ms |
116728 KB |
Output is correct |
113 |
Correct |
202 ms |
22264 KB |
Output is correct |
114 |
Correct |
535 ms |
148344 KB |
Output is correct |
115 |
Correct |
529 ms |
148392 KB |
Output is correct |