#include<iostream>
#include<queue>
#include<cmath>
using namespace std;
const long long MAXN = 100000;
long long n, to[MAXN+10];
queue<long long> bs[MAXN+10];
long long counter=0;
/*void input()
{
long long temp;
cin>>n;
for (long long i=0; i<2*n; i++)
{
cin>>temp;
s.push_back(temp);
}
}*/
void output()
{
cout<<counter<<endl;
}
void find_place(vector<int> S)
{
long long curr = 0;
long long temp;
for (long long 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 (long long i=0; i<n; i++)
{
long long 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;
}
/*long long 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 |
68 ms |
67576 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
68 ms |
67576 KB |
Output is correct |
2 |
Correct |
68 ms |
67576 KB |
Output is correct |
3 |
Correct |
67 ms |
67704 KB |
Output is correct |
4 |
Correct |
69 ms |
67568 KB |
Output is correct |
5 |
Correct |
67 ms |
67704 KB |
Output is correct |
6 |
Correct |
67 ms |
67576 KB |
Output is correct |
7 |
Correct |
67 ms |
67640 KB |
Output is correct |
8 |
Correct |
66 ms |
67548 KB |
Output is correct |
9 |
Correct |
68 ms |
67640 KB |
Output is correct |
10 |
Correct |
68 ms |
67664 KB |
Output is correct |
11 |
Correct |
68 ms |
67576 KB |
Output is correct |
12 |
Correct |
69 ms |
67704 KB |
Output is correct |
13 |
Correct |
68 ms |
67700 KB |
Output is correct |
14 |
Correct |
68 ms |
67748 KB |
Output is correct |
15 |
Correct |
68 ms |
67576 KB |
Output is correct |
16 |
Correct |
72 ms |
67688 KB |
Output is correct |
17 |
Correct |
68 ms |
67576 KB |
Output is correct |
18 |
Correct |
67 ms |
67704 KB |
Output is correct |
19 |
Correct |
68 ms |
67628 KB |
Output is correct |
20 |
Correct |
68 ms |
67728 KB |
Output is correct |
21 |
Correct |
68 ms |
67704 KB |
Output is correct |
22 |
Correct |
68 ms |
67568 KB |
Output is correct |
23 |
Correct |
69 ms |
67576 KB |
Output is correct |
24 |
Correct |
68 ms |
67624 KB |
Output is correct |
25 |
Correct |
67 ms |
67576 KB |
Output is correct |
26 |
Correct |
67 ms |
67576 KB |
Output is correct |
27 |
Correct |
67 ms |
67576 KB |
Output is correct |
28 |
Correct |
69 ms |
67604 KB |
Output is correct |
29 |
Correct |
68 ms |
67704 KB |
Output is correct |
30 |
Correct |
69 ms |
67652 KB |
Output is correct |
31 |
Correct |
67 ms |
67576 KB |
Output is correct |
32 |
Correct |
66 ms |
67704 KB |
Output is correct |
33 |
Correct |
68 ms |
67676 KB |
Output is correct |
34 |
Correct |
68 ms |
67576 KB |
Output is correct |
35 |
Correct |
80 ms |
67576 KB |
Output is correct |
36 |
Correct |
70 ms |
67704 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
68 ms |
67576 KB |
Output is correct |
2 |
Correct |
68 ms |
67576 KB |
Output is correct |
3 |
Correct |
67 ms |
67576 KB |
Output is correct |
4 |
Correct |
67 ms |
67704 KB |
Output is correct |
5 |
Correct |
68 ms |
67676 KB |
Output is correct |
6 |
Correct |
68 ms |
67576 KB |
Output is correct |
7 |
Correct |
68 ms |
67576 KB |
Output is correct |
8 |
Correct |
68 ms |
67716 KB |
Output is correct |
9 |
Correct |
67 ms |
67676 KB |
Output is correct |
10 |
Correct |
67 ms |
67704 KB |
Output is correct |
11 |
Correct |
68 ms |
67708 KB |
Output is correct |
12 |
Correct |
69 ms |
67704 KB |
Output is correct |
13 |
Correct |
67 ms |
67704 KB |
Output is correct |
14 |
Correct |
68 ms |
67704 KB |
Output is correct |
15 |
Correct |
68 ms |
67596 KB |
Output is correct |
16 |
Correct |
75 ms |
67704 KB |
Output is correct |
17 |
Correct |
68 ms |
67668 KB |
Output is correct |
18 |
Correct |
73 ms |
67704 KB |
Output is correct |
19 |
Correct |
75 ms |
67672 KB |
Output is correct |
20 |
Correct |
76 ms |
68088 KB |
Output is correct |
21 |
Correct |
78 ms |
68060 KB |
Output is correct |
22 |
Runtime error |
214 ms |
138464 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
23 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
71 ms |
67672 KB |
Output is correct |
2 |
Correct |
67 ms |
67708 KB |
Output is correct |
3 |
Correct |
68 ms |
67704 KB |
Output is correct |
4 |
Correct |
67 ms |
67704 KB |
Output is correct |
5 |
Incorrect |
111 ms |
71544 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 |
68 ms |
67576 KB |
Output is correct |
3 |
Correct |
67 ms |
67704 KB |
Output is correct |
4 |
Correct |
69 ms |
67568 KB |
Output is correct |
5 |
Correct |
67 ms |
67704 KB |
Output is correct |
6 |
Correct |
67 ms |
67576 KB |
Output is correct |
7 |
Correct |
67 ms |
67640 KB |
Output is correct |
8 |
Correct |
66 ms |
67548 KB |
Output is correct |
9 |
Correct |
68 ms |
67640 KB |
Output is correct |
10 |
Correct |
68 ms |
67664 KB |
Output is correct |
11 |
Correct |
68 ms |
67576 KB |
Output is correct |
12 |
Correct |
69 ms |
67704 KB |
Output is correct |
13 |
Correct |
68 ms |
67700 KB |
Output is correct |
14 |
Correct |
68 ms |
67748 KB |
Output is correct |
15 |
Correct |
68 ms |
67576 KB |
Output is correct |
16 |
Correct |
72 ms |
67688 KB |
Output is correct |
17 |
Correct |
68 ms |
67576 KB |
Output is correct |
18 |
Correct |
67 ms |
67704 KB |
Output is correct |
19 |
Correct |
68 ms |
67628 KB |
Output is correct |
20 |
Correct |
68 ms |
67728 KB |
Output is correct |
21 |
Correct |
68 ms |
67704 KB |
Output is correct |
22 |
Correct |
68 ms |
67568 KB |
Output is correct |
23 |
Correct |
69 ms |
67576 KB |
Output is correct |
24 |
Correct |
68 ms |
67624 KB |
Output is correct |
25 |
Correct |
67 ms |
67576 KB |
Output is correct |
26 |
Correct |
67 ms |
67576 KB |
Output is correct |
27 |
Correct |
67 ms |
67576 KB |
Output is correct |
28 |
Correct |
69 ms |
67604 KB |
Output is correct |
29 |
Correct |
68 ms |
67704 KB |
Output is correct |
30 |
Correct |
69 ms |
67652 KB |
Output is correct |
31 |
Correct |
67 ms |
67576 KB |
Output is correct |
32 |
Correct |
66 ms |
67704 KB |
Output is correct |
33 |
Correct |
68 ms |
67676 KB |
Output is correct |
34 |
Correct |
68 ms |
67576 KB |
Output is correct |
35 |
Correct |
80 ms |
67576 KB |
Output is correct |
36 |
Correct |
70 ms |
67704 KB |
Output is correct |
37 |
Correct |
67 ms |
67724 KB |
Output is correct |
38 |
Correct |
67 ms |
67704 KB |
Output is correct |
39 |
Correct |
67 ms |
67704 KB |
Output is correct |
40 |
Correct |
67 ms |
67668 KB |
Output is correct |
41 |
Correct |
68 ms |
67704 KB |
Output is correct |
42 |
Correct |
68 ms |
67676 KB |
Output is correct |
43 |
Correct |
67 ms |
67704 KB |
Output is correct |
44 |
Correct |
69 ms |
67704 KB |
Output is correct |
45 |
Correct |
69 ms |
67752 KB |
Output is correct |
46 |
Correct |
67 ms |
67704 KB |
Output is correct |
47 |
Correct |
69 ms |
67704 KB |
Output is correct |
48 |
Correct |
70 ms |
67704 KB |
Output is correct |
49 |
Correct |
69 ms |
67704 KB |
Output is correct |
50 |
Correct |
75 ms |
67636 KB |
Output is correct |
51 |
Correct |
73 ms |
67704 KB |
Output is correct |
52 |
Correct |
82 ms |
67852 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
68 ms |
67576 KB |
Output is correct |
2 |
Correct |
68 ms |
67576 KB |
Output is correct |
3 |
Correct |
67 ms |
67704 KB |
Output is correct |
4 |
Correct |
69 ms |
67568 KB |
Output is correct |
5 |
Correct |
67 ms |
67704 KB |
Output is correct |
6 |
Correct |
67 ms |
67576 KB |
Output is correct |
7 |
Correct |
67 ms |
67640 KB |
Output is correct |
8 |
Correct |
66 ms |
67548 KB |
Output is correct |
9 |
Correct |
68 ms |
67640 KB |
Output is correct |
10 |
Correct |
68 ms |
67664 KB |
Output is correct |
11 |
Correct |
68 ms |
67576 KB |
Output is correct |
12 |
Correct |
69 ms |
67704 KB |
Output is correct |
13 |
Correct |
68 ms |
67700 KB |
Output is correct |
14 |
Correct |
68 ms |
67748 KB |
Output is correct |
15 |
Correct |
68 ms |
67576 KB |
Output is correct |
16 |
Correct |
72 ms |
67688 KB |
Output is correct |
17 |
Correct |
68 ms |
67576 KB |
Output is correct |
18 |
Correct |
67 ms |
67704 KB |
Output is correct |
19 |
Correct |
68 ms |
67628 KB |
Output is correct |
20 |
Correct |
68 ms |
67728 KB |
Output is correct |
21 |
Correct |
68 ms |
67704 KB |
Output is correct |
22 |
Correct |
68 ms |
67568 KB |
Output is correct |
23 |
Correct |
69 ms |
67576 KB |
Output is correct |
24 |
Correct |
68 ms |
67624 KB |
Output is correct |
25 |
Correct |
67 ms |
67576 KB |
Output is correct |
26 |
Correct |
67 ms |
67576 KB |
Output is correct |
27 |
Correct |
67 ms |
67576 KB |
Output is correct |
28 |
Correct |
69 ms |
67604 KB |
Output is correct |
29 |
Correct |
68 ms |
67704 KB |
Output is correct |
30 |
Correct |
69 ms |
67652 KB |
Output is correct |
31 |
Correct |
67 ms |
67576 KB |
Output is correct |
32 |
Correct |
66 ms |
67704 KB |
Output is correct |
33 |
Correct |
68 ms |
67676 KB |
Output is correct |
34 |
Correct |
68 ms |
67576 KB |
Output is correct |
35 |
Correct |
80 ms |
67576 KB |
Output is correct |
36 |
Correct |
70 ms |
67704 KB |
Output is correct |
37 |
Correct |
67 ms |
67576 KB |
Output is correct |
38 |
Correct |
67 ms |
67704 KB |
Output is correct |
39 |
Correct |
68 ms |
67676 KB |
Output is correct |
40 |
Correct |
68 ms |
67576 KB |
Output is correct |
41 |
Correct |
68 ms |
67576 KB |
Output is correct |
42 |
Correct |
68 ms |
67716 KB |
Output is correct |
43 |
Correct |
67 ms |
67676 KB |
Output is correct |
44 |
Correct |
67 ms |
67704 KB |
Output is correct |
45 |
Correct |
68 ms |
67708 KB |
Output is correct |
46 |
Correct |
69 ms |
67704 KB |
Output is correct |
47 |
Correct |
67 ms |
67704 KB |
Output is correct |
48 |
Correct |
68 ms |
67704 KB |
Output is correct |
49 |
Correct |
68 ms |
67596 KB |
Output is correct |
50 |
Correct |
75 ms |
67704 KB |
Output is correct |
51 |
Correct |
68 ms |
67668 KB |
Output is correct |
52 |
Correct |
73 ms |
67704 KB |
Output is correct |
53 |
Correct |
75 ms |
67672 KB |
Output is correct |
54 |
Correct |
76 ms |
68088 KB |
Output is correct |
55 |
Correct |
78 ms |
68060 KB |
Output is correct |
56 |
Runtime error |
214 ms |
138464 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
57 |
Halted |
0 ms |
0 KB |
- |