#include <bits/stdc++.h>
#include "shoes.h"
#define all(x) x.begin(),x.end()
#define PB push_back
#define sz(x) ((int)x.size())
using namespace std;
typedef long long ll;
const int N = 200100;
vector<int> vc[N];
ll ans = 0;
int fen[N];
bool mrk[N];
int sum(int x){
int res = 0;
for (; x >= 0; x = (x & (x + 1)) - 1)
res += fen[x];
return res;
}
void upd(int x, int vl){
for (; x < N; x = (x | (x + 1)))
fen[x] += vl;
}
long long count_swaps(std::vector<int> s) {
int n = sz(s) / 2;
for (int i = sz(s) - 1; i >= 0; i--)
vc[s[i] + n].PB(i);
for (int i = 0; i < sz(s); i++){
if (mrk[i]) continue;
if (s[i] > 0)
ans++;
vc[s[i] + n].pop_back();
int real_i = i + sum(i);
int j = vc[-s[i] + n].back();
vc[-s[i] + n].pop_back();
mrk[j] = 1;
int real_j = sum(j) + j;
ans += real_j - real_i - 1;
upd(i, 1);
upd(j, -1);
}
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
4992 KB |
Output is correct |
2 |
Correct |
7 ms |
4992 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
4992 KB |
Output is correct |
2 |
Correct |
7 ms |
4992 KB |
Output is correct |
3 |
Correct |
7 ms |
4992 KB |
Output is correct |
4 |
Correct |
7 ms |
5120 KB |
Output is correct |
5 |
Correct |
7 ms |
4992 KB |
Output is correct |
6 |
Correct |
7 ms |
4992 KB |
Output is correct |
7 |
Correct |
7 ms |
5120 KB |
Output is correct |
8 |
Correct |
8 ms |
4992 KB |
Output is correct |
9 |
Correct |
7 ms |
4992 KB |
Output is correct |
10 |
Correct |
7 ms |
4992 KB |
Output is correct |
11 |
Correct |
7 ms |
5120 KB |
Output is correct |
12 |
Correct |
8 ms |
5096 KB |
Output is correct |
13 |
Correct |
7 ms |
4992 KB |
Output is correct |
14 |
Correct |
7 ms |
4992 KB |
Output is correct |
15 |
Correct |
9 ms |
5120 KB |
Output is correct |
16 |
Correct |
7 ms |
5120 KB |
Output is correct |
17 |
Correct |
7 ms |
5120 KB |
Output is correct |
18 |
Correct |
7 ms |
4992 KB |
Output is correct |
19 |
Correct |
7 ms |
4992 KB |
Output is correct |
20 |
Correct |
7 ms |
4992 KB |
Output is correct |
21 |
Correct |
8 ms |
4992 KB |
Output is correct |
22 |
Correct |
7 ms |
4992 KB |
Output is correct |
23 |
Correct |
7 ms |
4992 KB |
Output is correct |
24 |
Correct |
7 ms |
4992 KB |
Output is correct |
25 |
Correct |
7 ms |
4992 KB |
Output is correct |
26 |
Correct |
7 ms |
4992 KB |
Output is correct |
27 |
Correct |
7 ms |
4992 KB |
Output is correct |
28 |
Correct |
7 ms |
4992 KB |
Output is correct |
29 |
Correct |
7 ms |
5120 KB |
Output is correct |
30 |
Correct |
7 ms |
4992 KB |
Output is correct |
31 |
Correct |
7 ms |
4992 KB |
Output is correct |
32 |
Correct |
7 ms |
4992 KB |
Output is correct |
33 |
Correct |
7 ms |
4992 KB |
Output is correct |
34 |
Correct |
7 ms |
4992 KB |
Output is correct |
35 |
Correct |
7 ms |
4992 KB |
Output is correct |
36 |
Correct |
7 ms |
4992 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
4992 KB |
Output is correct |
2 |
Correct |
7 ms |
4992 KB |
Output is correct |
3 |
Correct |
7 ms |
5120 KB |
Output is correct |
4 |
Correct |
7 ms |
4992 KB |
Output is correct |
5 |
Correct |
7 ms |
5120 KB |
Output is correct |
6 |
Correct |
7 ms |
4992 KB |
Output is correct |
7 |
Correct |
7 ms |
4992 KB |
Output is correct |
8 |
Correct |
7 ms |
4992 KB |
Output is correct |
9 |
Correct |
7 ms |
4992 KB |
Output is correct |
10 |
Correct |
7 ms |
4992 KB |
Output is correct |
11 |
Correct |
7 ms |
4992 KB |
Output is correct |
12 |
Correct |
7 ms |
4992 KB |
Output is correct |
13 |
Correct |
7 ms |
5120 KB |
Output is correct |
14 |
Correct |
7 ms |
4992 KB |
Output is correct |
15 |
Correct |
7 ms |
5120 KB |
Output is correct |
16 |
Correct |
7 ms |
4992 KB |
Output is correct |
17 |
Correct |
7 ms |
4992 KB |
Output is correct |
18 |
Correct |
7 ms |
5120 KB |
Output is correct |
19 |
Correct |
8 ms |
5120 KB |
Output is correct |
20 |
Correct |
11 ms |
5504 KB |
Output is correct |
21 |
Correct |
11 ms |
5504 KB |
Output is correct |
22 |
Correct |
49 ms |
9728 KB |
Output is correct |
23 |
Correct |
46 ms |
9796 KB |
Output is correct |
24 |
Correct |
48 ms |
9748 KB |
Output is correct |
25 |
Correct |
43 ms |
9456 KB |
Output is correct |
26 |
Correct |
48 ms |
9836 KB |
Output is correct |
27 |
Correct |
44 ms |
9580 KB |
Output is correct |
28 |
Correct |
46 ms |
9584 KB |
Output is correct |
29 |
Correct |
50 ms |
9840 KB |
Output is correct |
30 |
Correct |
44 ms |
9632 KB |
Output is correct |
31 |
Correct |
48 ms |
9732 KB |
Output is correct |
32 |
Correct |
45 ms |
9584 KB |
Output is correct |
33 |
Correct |
44 ms |
9456 KB |
Output is correct |
34 |
Correct |
46 ms |
9584 KB |
Output is correct |
35 |
Correct |
7 ms |
4992 KB |
Output is correct |
36 |
Correct |
8 ms |
4992 KB |
Output is correct |
37 |
Correct |
49 ms |
9720 KB |
Output is correct |
38 |
Correct |
45 ms |
9712 KB |
Output is correct |
39 |
Correct |
47 ms |
9584 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
4992 KB |
Output is correct |
2 |
Correct |
7 ms |
4992 KB |
Output is correct |
3 |
Correct |
7 ms |
4992 KB |
Output is correct |
4 |
Correct |
7 ms |
4992 KB |
Output is correct |
5 |
Correct |
72 ms |
14968 KB |
Output is correct |
6 |
Correct |
63 ms |
10208 KB |
Output is correct |
7 |
Correct |
74 ms |
14968 KB |
Output is correct |
8 |
Correct |
48 ms |
9652 KB |
Output is correct |
9 |
Correct |
72 ms |
14968 KB |
Output is correct |
10 |
Correct |
74 ms |
11896 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
4992 KB |
Output is correct |
2 |
Correct |
7 ms |
4992 KB |
Output is correct |
3 |
Correct |
7 ms |
4992 KB |
Output is correct |
4 |
Correct |
7 ms |
5120 KB |
Output is correct |
5 |
Correct |
7 ms |
4992 KB |
Output is correct |
6 |
Correct |
7 ms |
4992 KB |
Output is correct |
7 |
Correct |
7 ms |
5120 KB |
Output is correct |
8 |
Correct |
8 ms |
4992 KB |
Output is correct |
9 |
Correct |
7 ms |
4992 KB |
Output is correct |
10 |
Correct |
7 ms |
4992 KB |
Output is correct |
11 |
Correct |
7 ms |
5120 KB |
Output is correct |
12 |
Correct |
8 ms |
5096 KB |
Output is correct |
13 |
Correct |
7 ms |
4992 KB |
Output is correct |
14 |
Correct |
7 ms |
4992 KB |
Output is correct |
15 |
Correct |
9 ms |
5120 KB |
Output is correct |
16 |
Correct |
7 ms |
5120 KB |
Output is correct |
17 |
Correct |
7 ms |
5120 KB |
Output is correct |
18 |
Correct |
7 ms |
4992 KB |
Output is correct |
19 |
Correct |
7 ms |
4992 KB |
Output is correct |
20 |
Correct |
7 ms |
4992 KB |
Output is correct |
21 |
Correct |
8 ms |
4992 KB |
Output is correct |
22 |
Correct |
7 ms |
4992 KB |
Output is correct |
23 |
Correct |
7 ms |
4992 KB |
Output is correct |
24 |
Correct |
7 ms |
4992 KB |
Output is correct |
25 |
Correct |
7 ms |
4992 KB |
Output is correct |
26 |
Correct |
7 ms |
4992 KB |
Output is correct |
27 |
Correct |
7 ms |
4992 KB |
Output is correct |
28 |
Correct |
7 ms |
4992 KB |
Output is correct |
29 |
Correct |
7 ms |
5120 KB |
Output is correct |
30 |
Correct |
7 ms |
4992 KB |
Output is correct |
31 |
Correct |
7 ms |
4992 KB |
Output is correct |
32 |
Correct |
7 ms |
4992 KB |
Output is correct |
33 |
Correct |
7 ms |
4992 KB |
Output is correct |
34 |
Correct |
7 ms |
4992 KB |
Output is correct |
35 |
Correct |
7 ms |
4992 KB |
Output is correct |
36 |
Correct |
7 ms |
4992 KB |
Output is correct |
37 |
Correct |
7 ms |
5120 KB |
Output is correct |
38 |
Correct |
7 ms |
5120 KB |
Output is correct |
39 |
Correct |
7 ms |
4992 KB |
Output is correct |
40 |
Correct |
7 ms |
5120 KB |
Output is correct |
41 |
Correct |
8 ms |
5120 KB |
Output is correct |
42 |
Correct |
9 ms |
5120 KB |
Output is correct |
43 |
Correct |
8 ms |
5120 KB |
Output is correct |
44 |
Correct |
8 ms |
5120 KB |
Output is correct |
45 |
Correct |
8 ms |
5120 KB |
Output is correct |
46 |
Correct |
8 ms |
5120 KB |
Output is correct |
47 |
Correct |
8 ms |
5120 KB |
Output is correct |
48 |
Correct |
7 ms |
5120 KB |
Output is correct |
49 |
Correct |
8 ms |
5120 KB |
Output is correct |
50 |
Correct |
8 ms |
5120 KB |
Output is correct |
51 |
Correct |
7 ms |
5120 KB |
Output is correct |
52 |
Correct |
8 ms |
5120 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
4992 KB |
Output is correct |
2 |
Correct |
7 ms |
4992 KB |
Output is correct |
3 |
Correct |
7 ms |
4992 KB |
Output is correct |
4 |
Correct |
7 ms |
5120 KB |
Output is correct |
5 |
Correct |
7 ms |
4992 KB |
Output is correct |
6 |
Correct |
7 ms |
4992 KB |
Output is correct |
7 |
Correct |
7 ms |
5120 KB |
Output is correct |
8 |
Correct |
8 ms |
4992 KB |
Output is correct |
9 |
Correct |
7 ms |
4992 KB |
Output is correct |
10 |
Correct |
7 ms |
4992 KB |
Output is correct |
11 |
Correct |
7 ms |
5120 KB |
Output is correct |
12 |
Correct |
8 ms |
5096 KB |
Output is correct |
13 |
Correct |
7 ms |
4992 KB |
Output is correct |
14 |
Correct |
7 ms |
4992 KB |
Output is correct |
15 |
Correct |
9 ms |
5120 KB |
Output is correct |
16 |
Correct |
7 ms |
5120 KB |
Output is correct |
17 |
Correct |
7 ms |
5120 KB |
Output is correct |
18 |
Correct |
7 ms |
4992 KB |
Output is correct |
19 |
Correct |
7 ms |
4992 KB |
Output is correct |
20 |
Correct |
7 ms |
4992 KB |
Output is correct |
21 |
Correct |
8 ms |
4992 KB |
Output is correct |
22 |
Correct |
7 ms |
4992 KB |
Output is correct |
23 |
Correct |
7 ms |
4992 KB |
Output is correct |
24 |
Correct |
7 ms |
4992 KB |
Output is correct |
25 |
Correct |
7 ms |
4992 KB |
Output is correct |
26 |
Correct |
7 ms |
4992 KB |
Output is correct |
27 |
Correct |
7 ms |
4992 KB |
Output is correct |
28 |
Correct |
7 ms |
4992 KB |
Output is correct |
29 |
Correct |
7 ms |
5120 KB |
Output is correct |
30 |
Correct |
7 ms |
4992 KB |
Output is correct |
31 |
Correct |
7 ms |
4992 KB |
Output is correct |
32 |
Correct |
7 ms |
4992 KB |
Output is correct |
33 |
Correct |
7 ms |
4992 KB |
Output is correct |
34 |
Correct |
7 ms |
4992 KB |
Output is correct |
35 |
Correct |
7 ms |
4992 KB |
Output is correct |
36 |
Correct |
7 ms |
4992 KB |
Output is correct |
37 |
Correct |
7 ms |
5120 KB |
Output is correct |
38 |
Correct |
7 ms |
4992 KB |
Output is correct |
39 |
Correct |
7 ms |
5120 KB |
Output is correct |
40 |
Correct |
7 ms |
4992 KB |
Output is correct |
41 |
Correct |
7 ms |
4992 KB |
Output is correct |
42 |
Correct |
7 ms |
4992 KB |
Output is correct |
43 |
Correct |
7 ms |
4992 KB |
Output is correct |
44 |
Correct |
7 ms |
4992 KB |
Output is correct |
45 |
Correct |
7 ms |
4992 KB |
Output is correct |
46 |
Correct |
7 ms |
4992 KB |
Output is correct |
47 |
Correct |
7 ms |
5120 KB |
Output is correct |
48 |
Correct |
7 ms |
4992 KB |
Output is correct |
49 |
Correct |
7 ms |
5120 KB |
Output is correct |
50 |
Correct |
7 ms |
4992 KB |
Output is correct |
51 |
Correct |
7 ms |
4992 KB |
Output is correct |
52 |
Correct |
7 ms |
5120 KB |
Output is correct |
53 |
Correct |
8 ms |
5120 KB |
Output is correct |
54 |
Correct |
11 ms |
5504 KB |
Output is correct |
55 |
Correct |
11 ms |
5504 KB |
Output is correct |
56 |
Correct |
49 ms |
9728 KB |
Output is correct |
57 |
Correct |
46 ms |
9796 KB |
Output is correct |
58 |
Correct |
48 ms |
9748 KB |
Output is correct |
59 |
Correct |
43 ms |
9456 KB |
Output is correct |
60 |
Correct |
48 ms |
9836 KB |
Output is correct |
61 |
Correct |
44 ms |
9580 KB |
Output is correct |
62 |
Correct |
46 ms |
9584 KB |
Output is correct |
63 |
Correct |
50 ms |
9840 KB |
Output is correct |
64 |
Correct |
44 ms |
9632 KB |
Output is correct |
65 |
Correct |
48 ms |
9732 KB |
Output is correct |
66 |
Correct |
45 ms |
9584 KB |
Output is correct |
67 |
Correct |
44 ms |
9456 KB |
Output is correct |
68 |
Correct |
46 ms |
9584 KB |
Output is correct |
69 |
Correct |
7 ms |
4992 KB |
Output is correct |
70 |
Correct |
8 ms |
4992 KB |
Output is correct |
71 |
Correct |
49 ms |
9720 KB |
Output is correct |
72 |
Correct |
45 ms |
9712 KB |
Output is correct |
73 |
Correct |
47 ms |
9584 KB |
Output is correct |
74 |
Correct |
7 ms |
4992 KB |
Output is correct |
75 |
Correct |
7 ms |
4992 KB |
Output is correct |
76 |
Correct |
7 ms |
4992 KB |
Output is correct |
77 |
Correct |
7 ms |
4992 KB |
Output is correct |
78 |
Correct |
72 ms |
14968 KB |
Output is correct |
79 |
Correct |
63 ms |
10208 KB |
Output is correct |
80 |
Correct |
74 ms |
14968 KB |
Output is correct |
81 |
Correct |
48 ms |
9652 KB |
Output is correct |
82 |
Correct |
72 ms |
14968 KB |
Output is correct |
83 |
Correct |
74 ms |
11896 KB |
Output is correct |
84 |
Correct |
7 ms |
5120 KB |
Output is correct |
85 |
Correct |
7 ms |
5120 KB |
Output is correct |
86 |
Correct |
7 ms |
4992 KB |
Output is correct |
87 |
Correct |
7 ms |
5120 KB |
Output is correct |
88 |
Correct |
8 ms |
5120 KB |
Output is correct |
89 |
Correct |
9 ms |
5120 KB |
Output is correct |
90 |
Correct |
8 ms |
5120 KB |
Output is correct |
91 |
Correct |
8 ms |
5120 KB |
Output is correct |
92 |
Correct |
8 ms |
5120 KB |
Output is correct |
93 |
Correct |
8 ms |
5120 KB |
Output is correct |
94 |
Correct |
8 ms |
5120 KB |
Output is correct |
95 |
Correct |
7 ms |
5120 KB |
Output is correct |
96 |
Correct |
8 ms |
5120 KB |
Output is correct |
97 |
Correct |
8 ms |
5120 KB |
Output is correct |
98 |
Correct |
7 ms |
5120 KB |
Output is correct |
99 |
Correct |
8 ms |
5120 KB |
Output is correct |
100 |
Correct |
8 ms |
5120 KB |
Output is correct |
101 |
Correct |
13 ms |
6016 KB |
Output is correct |
102 |
Correct |
16 ms |
5632 KB |
Output is correct |
103 |
Correct |
107 ms |
15096 KB |
Output is correct |
104 |
Correct |
82 ms |
15096 KB |
Output is correct |
105 |
Correct |
87 ms |
12408 KB |
Output is correct |
106 |
Correct |
73 ms |
14968 KB |
Output is correct |
107 |
Correct |
69 ms |
10364 KB |
Output is correct |
108 |
Correct |
74 ms |
10744 KB |
Output is correct |
109 |
Correct |
45 ms |
9776 KB |
Output is correct |
110 |
Correct |
45 ms |
9584 KB |
Output is correct |
111 |
Correct |
76 ms |
14328 KB |
Output is correct |
112 |
Correct |
91 ms |
13696 KB |
Output is correct |
113 |
Correct |
64 ms |
10232 KB |
Output is correct |
114 |
Correct |
74 ms |
14968 KB |
Output is correct |
115 |
Correct |
74 ms |
14968 KB |
Output is correct |