#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
typedef long long ll;
ll get_dist(vector<int> ord)
{
int n = (int) ord.size();
vector<int> aib(n + 1);
ll sol = 0;
for (int i = 0; i < n; i++)
{
sol += i;
int x = ord[i] + 1, y = x;
while (x)
{
sol -= aib[x];
x -= x & (-x);
}
x = y;
while (x <= n)
{
aib[x]++;
x += x & (-x);
}
}
return sol;
}
const int N = (int) 1e5 + 7;
vector<int> pl[N];
vector<int> mn[N];
struct T
{
int l;
int r;
};
bool operator < (T a, T b)
{
return a.l + a.r < b.l + b.r;
}
long long count_swaps(vector<int> a)
{
int n = (int) a.size() / 2;
for (int i = 0; i < 2 * n; i++)
{
if (a[i] > 0)
{
pl[a[i]].push_back(i);
}
if (a[i] < 0)
{
mn[-a[i]].push_back(i);
}
}
vector<T> p;
for (int i = 1; i <= n; i++)
{
for (int j = 0; j < (int) pl[i].size(); j++)
{
p.push_back({mn[i][j], pl[i][j]});
}
}
sort(p.begin(), p.end());
vector<int> ord;
for (auto &it : p)
{
ord.push_back(it.l);
ord.push_back(it.r);
}
return get_dist(ord);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
4992 KB |
Output is correct |
2 |
Correct |
7 ms |
4992 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
8 ms |
4992 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 |
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 |
4992 KB |
Output is correct |
14 |
Correct |
8 ms |
4992 KB |
Output is correct |
15 |
Correct |
7 ms |
5024 KB |
Output is correct |
16 |
Correct |
7 ms |
4992 KB |
Output is correct |
17 |
Correct |
8 ms |
4992 KB |
Output is correct |
18 |
Correct |
7 ms |
4992 KB |
Output is correct |
19 |
Correct |
8 ms |
4992 KB |
Output is correct |
20 |
Correct |
7 ms |
4992 KB |
Output is correct |
21 |
Correct |
7 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 |
9 ms |
4992 KB |
Output is correct |
25 |
Correct |
8 ms |
4992 KB |
Output is correct |
26 |
Correct |
9 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 |
8 ms |
4992 KB |
Output is correct |
30 |
Correct |
7 ms |
4992 KB |
Output is correct |
31 |
Correct |
7 ms |
4992 KB |
Output is correct |
32 |
Correct |
8 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 |
# |
결과 |
실행 시간 |
메모리 |
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 |
7 ms |
4992 KB |
Output is correct |
6 |
Correct |
7 ms |
4992 KB |
Output is correct |
7 |
Correct |
7 ms |
4992 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 |
4992 KB |
Output is correct |
12 |
Correct |
7 ms |
4992 KB |
Output is correct |
13 |
Correct |
7 ms |
4992 KB |
Output is correct |
14 |
Correct |
7 ms |
4992 KB |
Output is correct |
15 |
Correct |
7 ms |
4992 KB |
Output is correct |
16 |
Correct |
7 ms |
4992 KB |
Output is correct |
17 |
Correct |
7 ms |
4992 KB |
Output is correct |
18 |
Correct |
8 ms |
5120 KB |
Output is correct |
19 |
Correct |
7 ms |
5120 KB |
Output is correct |
20 |
Correct |
12 ms |
5632 KB |
Output is correct |
21 |
Correct |
12 ms |
5632 KB |
Output is correct |
22 |
Correct |
52 ms |
10644 KB |
Output is correct |
23 |
Correct |
53 ms |
10600 KB |
Output is correct |
24 |
Correct |
53 ms |
10600 KB |
Output is correct |
25 |
Correct |
49 ms |
10604 KB |
Output is correct |
26 |
Correct |
53 ms |
10600 KB |
Output is correct |
27 |
Correct |
49 ms |
10600 KB |
Output is correct |
28 |
Correct |
50 ms |
10604 KB |
Output is correct |
29 |
Correct |
50 ms |
10604 KB |
Output is correct |
30 |
Correct |
51 ms |
10604 KB |
Output is correct |
31 |
Correct |
52 ms |
10624 KB |
Output is correct |
32 |
Correct |
51 ms |
10604 KB |
Output is correct |
33 |
Correct |
53 ms |
10604 KB |
Output is correct |
34 |
Correct |
52 ms |
10604 KB |
Output is correct |
35 |
Correct |
7 ms |
4992 KB |
Output is correct |
36 |
Correct |
7 ms |
4992 KB |
Output is correct |
37 |
Correct |
51 ms |
10604 KB |
Output is correct |
38 |
Correct |
50 ms |
10604 KB |
Output is correct |
39 |
Correct |
50 ms |
10604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
81 ms |
16108 KB |
Output is correct |
6 |
Correct |
70 ms |
11372 KB |
Output is correct |
7 |
Correct |
91 ms |
16344 KB |
Output is correct |
8 |
Correct |
55 ms |
10748 KB |
Output is correct |
9 |
Correct |
84 ms |
16108 KB |
Output is correct |
10 |
Correct |
82 ms |
13036 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
8 ms |
4992 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 |
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 |
4992 KB |
Output is correct |
14 |
Correct |
8 ms |
4992 KB |
Output is correct |
15 |
Correct |
7 ms |
5024 KB |
Output is correct |
16 |
Correct |
7 ms |
4992 KB |
Output is correct |
17 |
Correct |
8 ms |
4992 KB |
Output is correct |
18 |
Correct |
7 ms |
4992 KB |
Output is correct |
19 |
Correct |
8 ms |
4992 KB |
Output is correct |
20 |
Correct |
7 ms |
4992 KB |
Output is correct |
21 |
Correct |
7 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 |
9 ms |
4992 KB |
Output is correct |
25 |
Correct |
8 ms |
4992 KB |
Output is correct |
26 |
Correct |
9 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 |
8 ms |
4992 KB |
Output is correct |
30 |
Correct |
7 ms |
4992 KB |
Output is correct |
31 |
Correct |
7 ms |
4992 KB |
Output is correct |
32 |
Correct |
8 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 |
4992 KB |
Output is correct |
38 |
Correct |
7 ms |
4992 KB |
Output is correct |
39 |
Correct |
8 ms |
4992 KB |
Output is correct |
40 |
Correct |
8 ms |
4992 KB |
Output is correct |
41 |
Correct |
8 ms |
5120 KB |
Output is correct |
42 |
Correct |
8 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 |
8 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 |
8 ms |
5120 KB |
Output is correct |
52 |
Correct |
8 ms |
5120 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
8 ms |
4992 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 |
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 |
4992 KB |
Output is correct |
14 |
Correct |
8 ms |
4992 KB |
Output is correct |
15 |
Correct |
7 ms |
5024 KB |
Output is correct |
16 |
Correct |
7 ms |
4992 KB |
Output is correct |
17 |
Correct |
8 ms |
4992 KB |
Output is correct |
18 |
Correct |
7 ms |
4992 KB |
Output is correct |
19 |
Correct |
8 ms |
4992 KB |
Output is correct |
20 |
Correct |
7 ms |
4992 KB |
Output is correct |
21 |
Correct |
7 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 |
9 ms |
4992 KB |
Output is correct |
25 |
Correct |
8 ms |
4992 KB |
Output is correct |
26 |
Correct |
9 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 |
8 ms |
4992 KB |
Output is correct |
30 |
Correct |
7 ms |
4992 KB |
Output is correct |
31 |
Correct |
7 ms |
4992 KB |
Output is correct |
32 |
Correct |
8 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 |
4992 KB |
Output is correct |
38 |
Correct |
7 ms |
4992 KB |
Output is correct |
39 |
Correct |
7 ms |
4992 KB |
Output is correct |
40 |
Correct |
7 ms |
4992 KB |
Output is correct |
41 |
Correct |
7 ms |
4992 KB |
Output is correct |
42 |
Correct |
8 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 |
4992 KB |
Output is correct |
48 |
Correct |
7 ms |
4992 KB |
Output is correct |
49 |
Correct |
7 ms |
4992 KB |
Output is correct |
50 |
Correct |
7 ms |
4992 KB |
Output is correct |
51 |
Correct |
7 ms |
4992 KB |
Output is correct |
52 |
Correct |
8 ms |
5120 KB |
Output is correct |
53 |
Correct |
7 ms |
5120 KB |
Output is correct |
54 |
Correct |
12 ms |
5632 KB |
Output is correct |
55 |
Correct |
12 ms |
5632 KB |
Output is correct |
56 |
Correct |
52 ms |
10644 KB |
Output is correct |
57 |
Correct |
53 ms |
10600 KB |
Output is correct |
58 |
Correct |
53 ms |
10600 KB |
Output is correct |
59 |
Correct |
49 ms |
10604 KB |
Output is correct |
60 |
Correct |
53 ms |
10600 KB |
Output is correct |
61 |
Correct |
49 ms |
10600 KB |
Output is correct |
62 |
Correct |
50 ms |
10604 KB |
Output is correct |
63 |
Correct |
50 ms |
10604 KB |
Output is correct |
64 |
Correct |
51 ms |
10604 KB |
Output is correct |
65 |
Correct |
52 ms |
10624 KB |
Output is correct |
66 |
Correct |
51 ms |
10604 KB |
Output is correct |
67 |
Correct |
53 ms |
10604 KB |
Output is correct |
68 |
Correct |
52 ms |
10604 KB |
Output is correct |
69 |
Correct |
7 ms |
4992 KB |
Output is correct |
70 |
Correct |
7 ms |
4992 KB |
Output is correct |
71 |
Correct |
51 ms |
10604 KB |
Output is correct |
72 |
Correct |
50 ms |
10604 KB |
Output is correct |
73 |
Correct |
50 ms |
10604 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 |
81 ms |
16108 KB |
Output is correct |
79 |
Correct |
70 ms |
11372 KB |
Output is correct |
80 |
Correct |
91 ms |
16344 KB |
Output is correct |
81 |
Correct |
55 ms |
10748 KB |
Output is correct |
82 |
Correct |
84 ms |
16108 KB |
Output is correct |
83 |
Correct |
82 ms |
13036 KB |
Output is correct |
84 |
Correct |
7 ms |
4992 KB |
Output is correct |
85 |
Correct |
7 ms |
4992 KB |
Output is correct |
86 |
Correct |
8 ms |
4992 KB |
Output is correct |
87 |
Correct |
8 ms |
4992 KB |
Output is correct |
88 |
Correct |
8 ms |
5120 KB |
Output is correct |
89 |
Correct |
8 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 |
8 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 |
8 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 |
14 ms |
6016 KB |
Output is correct |
102 |
Correct |
13 ms |
5760 KB |
Output is correct |
103 |
Correct |
96 ms |
17004 KB |
Output is correct |
104 |
Correct |
98 ms |
17004 KB |
Output is correct |
105 |
Correct |
100 ms |
14316 KB |
Output is correct |
106 |
Correct |
81 ms |
17004 KB |
Output is correct |
107 |
Correct |
77 ms |
12396 KB |
Output is correct |
108 |
Correct |
81 ms |
12784 KB |
Output is correct |
109 |
Correct |
59 ms |
11756 KB |
Output is correct |
110 |
Correct |
49 ms |
11500 KB |
Output is correct |
111 |
Correct |
84 ms |
16364 KB |
Output is correct |
112 |
Correct |
89 ms |
15600 KB |
Output is correct |
113 |
Correct |
73 ms |
12268 KB |
Output is correct |
114 |
Correct |
82 ms |
16984 KB |
Output is correct |
115 |
Correct |
77 ms |
17004 KB |
Output is correct |