#include<iostream>
#include<queue>
#include<cmath>
using namespace std;
const int MAXN = 100000;
int n, to[MAXN+10];
queue<int> bs[MAXN+10];
long long counter=0;
/*void input()
{
int temp;
cin>>n;
for (int i=0; i<2*n; i++)
{
cin>>temp;
s.push_back(temp);
}
}*/
void output()
{
cout<<counter<<endl;
}
void find_place(vector<int> S)
{
int curr = 0;
int temp;
for (int i=0; i<n; i++)
{
temp = abs(S[i]);
if (S[i]>0)
{
if (!bs[temp].empty() && bs[temp].front()%2==0)
{
//cout<<i<<' '<<bs[temp].front()<<endl;
to[i] = bs[temp].front()+1;
bs[temp].pop();
}
else
{
to[i] = curr+1;
bs[temp].push(curr+1);
curr += 2;
}
}
else
{
if (!bs[temp].empty() && bs[temp].front()%2==1)
{
to[i] = bs[temp].front()-1;
bs[temp].pop();
}
else
{
to[i] = curr;
bs[temp].push(curr);
curr += 2;
}
}
}
}
void sorting()
{
for (int i=0; i<n; i++)
{
int nd=i;
while (to[nd]!=i && nd<n) nd++;
//cout<<i<<" - ";
while (nd!=i)
{
//cout<<nd<<' ';
swap(to[nd], to[nd-1]);
counter++;
nd--;
}
//cout<<endl;
}
}
void solve(vector<int> S)
{
n = S.size();
find_place(S);
sorting();
}
long long count_swaps(vector<int> S)
{
solve(S);
return counter;
}
/*int main()
{
ios::sync_with_stdio(false);
cin.tie(NULL);
input();
solve();
output();
return 0;
}*/
/*
3
-2 2 2 -2 -2 2
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
68 ms |
67576 KB |
Output is correct |
2 |
Correct |
69 ms |
67652 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
68 ms |
67576 KB |
Output is correct |
2 |
Correct |
69 ms |
67652 KB |
Output is correct |
3 |
Correct |
67 ms |
67716 KB |
Output is correct |
4 |
Correct |
67 ms |
67676 KB |
Output is correct |
5 |
Correct |
67 ms |
67576 KB |
Output is correct |
6 |
Correct |
68 ms |
67576 KB |
Output is correct |
7 |
Correct |
69 ms |
67576 KB |
Output is correct |
8 |
Correct |
67 ms |
67576 KB |
Output is correct |
9 |
Correct |
68 ms |
67704 KB |
Output is correct |
10 |
Correct |
68 ms |
67680 KB |
Output is correct |
11 |
Correct |
68 ms |
67704 KB |
Output is correct |
12 |
Correct |
67 ms |
67704 KB |
Output is correct |
13 |
Correct |
76 ms |
67708 KB |
Output is correct |
14 |
Correct |
69 ms |
67704 KB |
Output is correct |
15 |
Correct |
68 ms |
67704 KB |
Output is correct |
16 |
Correct |
73 ms |
67704 KB |
Output is correct |
17 |
Correct |
85 ms |
67576 KB |
Output is correct |
18 |
Correct |
69 ms |
67704 KB |
Output is correct |
19 |
Correct |
68 ms |
67608 KB |
Output is correct |
20 |
Correct |
69 ms |
67624 KB |
Output is correct |
21 |
Correct |
68 ms |
67676 KB |
Output is correct |
22 |
Correct |
68 ms |
67644 KB |
Output is correct |
23 |
Correct |
68 ms |
67576 KB |
Output is correct |
24 |
Correct |
67 ms |
67576 KB |
Output is correct |
25 |
Correct |
67 ms |
67576 KB |
Output is correct |
26 |
Correct |
67 ms |
67704 KB |
Output is correct |
27 |
Correct |
67 ms |
67676 KB |
Output is correct |
28 |
Correct |
66 ms |
67704 KB |
Output is correct |
29 |
Correct |
67 ms |
67576 KB |
Output is correct |
30 |
Correct |
67 ms |
67584 KB |
Output is correct |
31 |
Correct |
67 ms |
67792 KB |
Output is correct |
32 |
Correct |
67 ms |
67632 KB |
Output is correct |
33 |
Correct |
67 ms |
67624 KB |
Output is correct |
34 |
Correct |
67 ms |
67576 KB |
Output is correct |
35 |
Correct |
67 ms |
67596 KB |
Output is correct |
36 |
Correct |
69 ms |
67576 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
68 ms |
67576 KB |
Output is correct |
2 |
Correct |
69 ms |
67652 KB |
Output is correct |
3 |
Correct |
67 ms |
67576 KB |
Output is correct |
4 |
Correct |
67 ms |
67580 KB |
Output is correct |
5 |
Correct |
71 ms |
67576 KB |
Output is correct |
6 |
Correct |
69 ms |
67648 KB |
Output is correct |
7 |
Correct |
68 ms |
67576 KB |
Output is correct |
8 |
Correct |
69 ms |
67604 KB |
Output is correct |
9 |
Correct |
68 ms |
67576 KB |
Output is correct |
10 |
Correct |
67 ms |
67704 KB |
Output is correct |
11 |
Correct |
78 ms |
67660 KB |
Output is correct |
12 |
Correct |
69 ms |
67580 KB |
Output is correct |
13 |
Correct |
70 ms |
67704 KB |
Output is correct |
14 |
Correct |
67 ms |
67580 KB |
Output is correct |
15 |
Correct |
67 ms |
67676 KB |
Output is correct |
16 |
Correct |
68 ms |
67708 KB |
Output is correct |
17 |
Correct |
67 ms |
67704 KB |
Output is correct |
18 |
Correct |
72 ms |
67704 KB |
Output is correct |
19 |
Correct |
71 ms |
67704 KB |
Output is correct |
20 |
Correct |
70 ms |
67960 KB |
Output is correct |
21 |
Correct |
72 ms |
68088 KB |
Output is correct |
22 |
Incorrect |
109 ms |
71168 KB |
Output isn't correct |
23 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
68 ms |
67576 KB |
Output is correct |
2 |
Correct |
67 ms |
67704 KB |
Output is correct |
3 |
Correct |
67 ms |
67656 KB |
Output is correct |
4 |
Correct |
68 ms |
67708 KB |
Output is correct |
5 |
Incorrect |
110 ms |
71160 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
68 ms |
67576 KB |
Output is correct |
2 |
Correct |
69 ms |
67652 KB |
Output is correct |
3 |
Correct |
67 ms |
67716 KB |
Output is correct |
4 |
Correct |
67 ms |
67676 KB |
Output is correct |
5 |
Correct |
67 ms |
67576 KB |
Output is correct |
6 |
Correct |
68 ms |
67576 KB |
Output is correct |
7 |
Correct |
69 ms |
67576 KB |
Output is correct |
8 |
Correct |
67 ms |
67576 KB |
Output is correct |
9 |
Correct |
68 ms |
67704 KB |
Output is correct |
10 |
Correct |
68 ms |
67680 KB |
Output is correct |
11 |
Correct |
68 ms |
67704 KB |
Output is correct |
12 |
Correct |
67 ms |
67704 KB |
Output is correct |
13 |
Correct |
76 ms |
67708 KB |
Output is correct |
14 |
Correct |
69 ms |
67704 KB |
Output is correct |
15 |
Correct |
68 ms |
67704 KB |
Output is correct |
16 |
Correct |
73 ms |
67704 KB |
Output is correct |
17 |
Correct |
85 ms |
67576 KB |
Output is correct |
18 |
Correct |
69 ms |
67704 KB |
Output is correct |
19 |
Correct |
68 ms |
67608 KB |
Output is correct |
20 |
Correct |
69 ms |
67624 KB |
Output is correct |
21 |
Correct |
68 ms |
67676 KB |
Output is correct |
22 |
Correct |
68 ms |
67644 KB |
Output is correct |
23 |
Correct |
68 ms |
67576 KB |
Output is correct |
24 |
Correct |
67 ms |
67576 KB |
Output is correct |
25 |
Correct |
67 ms |
67576 KB |
Output is correct |
26 |
Correct |
67 ms |
67704 KB |
Output is correct |
27 |
Correct |
67 ms |
67676 KB |
Output is correct |
28 |
Correct |
66 ms |
67704 KB |
Output is correct |
29 |
Correct |
67 ms |
67576 KB |
Output is correct |
30 |
Correct |
67 ms |
67584 KB |
Output is correct |
31 |
Correct |
67 ms |
67792 KB |
Output is correct |
32 |
Correct |
67 ms |
67632 KB |
Output is correct |
33 |
Correct |
67 ms |
67624 KB |
Output is correct |
34 |
Correct |
67 ms |
67576 KB |
Output is correct |
35 |
Correct |
67 ms |
67596 KB |
Output is correct |
36 |
Correct |
69 ms |
67576 KB |
Output is correct |
37 |
Correct |
67 ms |
67680 KB |
Output is correct |
38 |
Correct |
67 ms |
67832 KB |
Output is correct |
39 |
Correct |
68 ms |
67580 KB |
Output is correct |
40 |
Correct |
82 ms |
67704 KB |
Output is correct |
41 |
Correct |
70 ms |
67824 KB |
Output is correct |
42 |
Correct |
79 ms |
67704 KB |
Output is correct |
43 |
Correct |
80 ms |
67704 KB |
Output is correct |
44 |
Correct |
76 ms |
67620 KB |
Output is correct |
45 |
Correct |
77 ms |
67832 KB |
Output is correct |
46 |
Correct |
68 ms |
67664 KB |
Output is correct |
47 |
Correct |
69 ms |
67632 KB |
Output is correct |
48 |
Correct |
68 ms |
67704 KB |
Output is correct |
49 |
Correct |
69 ms |
67804 KB |
Output is correct |
50 |
Correct |
73 ms |
67692 KB |
Output is correct |
51 |
Correct |
73 ms |
67676 KB |
Output is correct |
52 |
Correct |
69 ms |
67832 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
68 ms |
67576 KB |
Output is correct |
2 |
Correct |
69 ms |
67652 KB |
Output is correct |
3 |
Correct |
67 ms |
67716 KB |
Output is correct |
4 |
Correct |
67 ms |
67676 KB |
Output is correct |
5 |
Correct |
67 ms |
67576 KB |
Output is correct |
6 |
Correct |
68 ms |
67576 KB |
Output is correct |
7 |
Correct |
69 ms |
67576 KB |
Output is correct |
8 |
Correct |
67 ms |
67576 KB |
Output is correct |
9 |
Correct |
68 ms |
67704 KB |
Output is correct |
10 |
Correct |
68 ms |
67680 KB |
Output is correct |
11 |
Correct |
68 ms |
67704 KB |
Output is correct |
12 |
Correct |
67 ms |
67704 KB |
Output is correct |
13 |
Correct |
76 ms |
67708 KB |
Output is correct |
14 |
Correct |
69 ms |
67704 KB |
Output is correct |
15 |
Correct |
68 ms |
67704 KB |
Output is correct |
16 |
Correct |
73 ms |
67704 KB |
Output is correct |
17 |
Correct |
85 ms |
67576 KB |
Output is correct |
18 |
Correct |
69 ms |
67704 KB |
Output is correct |
19 |
Correct |
68 ms |
67608 KB |
Output is correct |
20 |
Correct |
69 ms |
67624 KB |
Output is correct |
21 |
Correct |
68 ms |
67676 KB |
Output is correct |
22 |
Correct |
68 ms |
67644 KB |
Output is correct |
23 |
Correct |
68 ms |
67576 KB |
Output is correct |
24 |
Correct |
67 ms |
67576 KB |
Output is correct |
25 |
Correct |
67 ms |
67576 KB |
Output is correct |
26 |
Correct |
67 ms |
67704 KB |
Output is correct |
27 |
Correct |
67 ms |
67676 KB |
Output is correct |
28 |
Correct |
66 ms |
67704 KB |
Output is correct |
29 |
Correct |
67 ms |
67576 KB |
Output is correct |
30 |
Correct |
67 ms |
67584 KB |
Output is correct |
31 |
Correct |
67 ms |
67792 KB |
Output is correct |
32 |
Correct |
67 ms |
67632 KB |
Output is correct |
33 |
Correct |
67 ms |
67624 KB |
Output is correct |
34 |
Correct |
67 ms |
67576 KB |
Output is correct |
35 |
Correct |
67 ms |
67596 KB |
Output is correct |
36 |
Correct |
69 ms |
67576 KB |
Output is correct |
37 |
Correct |
67 ms |
67576 KB |
Output is correct |
38 |
Correct |
67 ms |
67580 KB |
Output is correct |
39 |
Correct |
71 ms |
67576 KB |
Output is correct |
40 |
Correct |
69 ms |
67648 KB |
Output is correct |
41 |
Correct |
68 ms |
67576 KB |
Output is correct |
42 |
Correct |
69 ms |
67604 KB |
Output is correct |
43 |
Correct |
68 ms |
67576 KB |
Output is correct |
44 |
Correct |
67 ms |
67704 KB |
Output is correct |
45 |
Correct |
78 ms |
67660 KB |
Output is correct |
46 |
Correct |
69 ms |
67580 KB |
Output is correct |
47 |
Correct |
70 ms |
67704 KB |
Output is correct |
48 |
Correct |
67 ms |
67580 KB |
Output is correct |
49 |
Correct |
67 ms |
67676 KB |
Output is correct |
50 |
Correct |
68 ms |
67708 KB |
Output is correct |
51 |
Correct |
67 ms |
67704 KB |
Output is correct |
52 |
Correct |
72 ms |
67704 KB |
Output is correct |
53 |
Correct |
71 ms |
67704 KB |
Output is correct |
54 |
Correct |
70 ms |
67960 KB |
Output is correct |
55 |
Correct |
72 ms |
68088 KB |
Output is correct |
56 |
Incorrect |
109 ms |
71168 KB |
Output isn't correct |
57 |
Halted |
0 ms |
0 KB |
- |