#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
bool chk[100005];
vector<int> pl[100005],pr[100005];
int fw[100005];
void up(int x,int v){
for(int i=x;i<100005;i+=i&-i)
fw[i]+=v;
}
long long qr(int x){
long long sum=0;
for(int i=x;i>0;i-=i&-i)
sum+=fw[i];
return sum;
}
long long count_swaps(vector<int> s) {
int n=s.size();
for(int i=n-1;i>=0;i--){
if(s[i]>0)
pr[s[i]].push_back(i);
else
pl[-s[i]].push_back(i);
}
long long ans=0;
for(int i=0;i<n;i++){
if(chk[i])
continue;
int sz=abs(s[i]);
if(s[i]>0){
int pos=pl[sz].back();
chk[pos]=chk[i]=1;
pl[sz].pop_back();
pr[sz].pop_back();
ans+=pos-i-(qr(pos)-qr(i));
up(pos,1);
}
else{
int pos=pr[sz].back();
chk[pos]=chk[i]=1;
pl[sz].pop_back();
pr[sz].pop_back();
ans+=pos-i-1-(qr(pos)-qr(i));
up(pos,1);
}
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
3 ms |
4948 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
4 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
3 ms |
5000 KB |
Output is correct |
12 |
Correct |
3 ms |
4948 KB |
Output is correct |
13 |
Correct |
3 ms |
5008 KB |
Output is correct |
14 |
Correct |
3 ms |
4948 KB |
Output is correct |
15 |
Correct |
3 ms |
5076 KB |
Output is correct |
16 |
Correct |
3 ms |
4948 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
3 ms |
4972 KB |
Output is correct |
19 |
Correct |
3 ms |
4948 KB |
Output is correct |
20 |
Correct |
3 ms |
4948 KB |
Output is correct |
21 |
Correct |
3 ms |
4948 KB |
Output is correct |
22 |
Correct |
3 ms |
4948 KB |
Output is correct |
23 |
Correct |
3 ms |
4948 KB |
Output is correct |
24 |
Correct |
4 ms |
4948 KB |
Output is correct |
25 |
Correct |
3 ms |
4948 KB |
Output is correct |
26 |
Correct |
3 ms |
4948 KB |
Output is correct |
27 |
Correct |
3 ms |
4948 KB |
Output is correct |
28 |
Correct |
3 ms |
4948 KB |
Output is correct |
29 |
Correct |
3 ms |
5000 KB |
Output is correct |
30 |
Correct |
3 ms |
4948 KB |
Output is correct |
31 |
Correct |
4 ms |
5000 KB |
Output is correct |
32 |
Correct |
3 ms |
5004 KB |
Output is correct |
33 |
Correct |
3 ms |
4948 KB |
Output is correct |
34 |
Correct |
3 ms |
4948 KB |
Output is correct |
35 |
Correct |
3 ms |
4948 KB |
Output is correct |
36 |
Correct |
3 ms |
5000 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
2 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
3 ms |
5004 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
4 ms |
5028 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
3 ms |
4948 KB |
Output is correct |
12 |
Correct |
3 ms |
5000 KB |
Output is correct |
13 |
Correct |
2 ms |
5000 KB |
Output is correct |
14 |
Correct |
3 ms |
5000 KB |
Output is correct |
15 |
Correct |
3 ms |
4948 KB |
Output is correct |
16 |
Correct |
3 ms |
4996 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
3 ms |
5076 KB |
Output is correct |
19 |
Correct |
3 ms |
4948 KB |
Output is correct |
20 |
Correct |
5 ms |
5524 KB |
Output is correct |
21 |
Correct |
6 ms |
5460 KB |
Output is correct |
22 |
Runtime error |
33 ms |
17172 KB |
Execution killed with signal 11 |
23 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Runtime error |
53 ms |
27112 KB |
Execution killed with signal 11 |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
3 ms |
4948 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
4 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
3 ms |
5000 KB |
Output is correct |
12 |
Correct |
3 ms |
4948 KB |
Output is correct |
13 |
Correct |
3 ms |
5008 KB |
Output is correct |
14 |
Correct |
3 ms |
4948 KB |
Output is correct |
15 |
Correct |
3 ms |
5076 KB |
Output is correct |
16 |
Correct |
3 ms |
4948 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
3 ms |
4972 KB |
Output is correct |
19 |
Correct |
3 ms |
4948 KB |
Output is correct |
20 |
Correct |
3 ms |
4948 KB |
Output is correct |
21 |
Correct |
3 ms |
4948 KB |
Output is correct |
22 |
Correct |
3 ms |
4948 KB |
Output is correct |
23 |
Correct |
3 ms |
4948 KB |
Output is correct |
24 |
Correct |
4 ms |
4948 KB |
Output is correct |
25 |
Correct |
3 ms |
4948 KB |
Output is correct |
26 |
Correct |
3 ms |
4948 KB |
Output is correct |
27 |
Correct |
3 ms |
4948 KB |
Output is correct |
28 |
Correct |
3 ms |
4948 KB |
Output is correct |
29 |
Correct |
3 ms |
5000 KB |
Output is correct |
30 |
Correct |
3 ms |
4948 KB |
Output is correct |
31 |
Correct |
4 ms |
5000 KB |
Output is correct |
32 |
Correct |
3 ms |
5004 KB |
Output is correct |
33 |
Correct |
3 ms |
4948 KB |
Output is correct |
34 |
Correct |
3 ms |
4948 KB |
Output is correct |
35 |
Correct |
3 ms |
4948 KB |
Output is correct |
36 |
Correct |
3 ms |
5000 KB |
Output is correct |
37 |
Correct |
4 ms |
5000 KB |
Output is correct |
38 |
Correct |
4 ms |
4948 KB |
Output is correct |
39 |
Correct |
3 ms |
4948 KB |
Output is correct |
40 |
Correct |
3 ms |
5004 KB |
Output is correct |
41 |
Correct |
3 ms |
5076 KB |
Output is correct |
42 |
Correct |
4 ms |
5076 KB |
Output is correct |
43 |
Correct |
3 ms |
5076 KB |
Output is correct |
44 |
Correct |
3 ms |
5080 KB |
Output is correct |
45 |
Correct |
3 ms |
5076 KB |
Output is correct |
46 |
Correct |
5 ms |
5060 KB |
Output is correct |
47 |
Correct |
3 ms |
5032 KB |
Output is correct |
48 |
Correct |
3 ms |
5076 KB |
Output is correct |
49 |
Correct |
3 ms |
4948 KB |
Output is correct |
50 |
Correct |
3 ms |
5012 KB |
Output is correct |
51 |
Correct |
3 ms |
4948 KB |
Output is correct |
52 |
Correct |
3 ms |
5076 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4948 KB |
Output is correct |
2 |
Correct |
3 ms |
4948 KB |
Output is correct |
3 |
Correct |
3 ms |
4948 KB |
Output is correct |
4 |
Correct |
3 ms |
4948 KB |
Output is correct |
5 |
Correct |
3 ms |
4948 KB |
Output is correct |
6 |
Correct |
3 ms |
4948 KB |
Output is correct |
7 |
Correct |
4 ms |
4948 KB |
Output is correct |
8 |
Correct |
3 ms |
4948 KB |
Output is correct |
9 |
Correct |
3 ms |
4948 KB |
Output is correct |
10 |
Correct |
3 ms |
4948 KB |
Output is correct |
11 |
Correct |
3 ms |
5000 KB |
Output is correct |
12 |
Correct |
3 ms |
4948 KB |
Output is correct |
13 |
Correct |
3 ms |
5008 KB |
Output is correct |
14 |
Correct |
3 ms |
4948 KB |
Output is correct |
15 |
Correct |
3 ms |
5076 KB |
Output is correct |
16 |
Correct |
3 ms |
4948 KB |
Output is correct |
17 |
Correct |
3 ms |
4948 KB |
Output is correct |
18 |
Correct |
3 ms |
4972 KB |
Output is correct |
19 |
Correct |
3 ms |
4948 KB |
Output is correct |
20 |
Correct |
3 ms |
4948 KB |
Output is correct |
21 |
Correct |
3 ms |
4948 KB |
Output is correct |
22 |
Correct |
3 ms |
4948 KB |
Output is correct |
23 |
Correct |
3 ms |
4948 KB |
Output is correct |
24 |
Correct |
4 ms |
4948 KB |
Output is correct |
25 |
Correct |
3 ms |
4948 KB |
Output is correct |
26 |
Correct |
3 ms |
4948 KB |
Output is correct |
27 |
Correct |
3 ms |
4948 KB |
Output is correct |
28 |
Correct |
3 ms |
4948 KB |
Output is correct |
29 |
Correct |
3 ms |
5000 KB |
Output is correct |
30 |
Correct |
3 ms |
4948 KB |
Output is correct |
31 |
Correct |
4 ms |
5000 KB |
Output is correct |
32 |
Correct |
3 ms |
5004 KB |
Output is correct |
33 |
Correct |
3 ms |
4948 KB |
Output is correct |
34 |
Correct |
3 ms |
4948 KB |
Output is correct |
35 |
Correct |
3 ms |
4948 KB |
Output is correct |
36 |
Correct |
3 ms |
5000 KB |
Output is correct |
37 |
Correct |
2 ms |
4948 KB |
Output is correct |
38 |
Correct |
3 ms |
4948 KB |
Output is correct |
39 |
Correct |
3 ms |
5004 KB |
Output is correct |
40 |
Correct |
3 ms |
4948 KB |
Output is correct |
41 |
Correct |
4 ms |
5028 KB |
Output is correct |
42 |
Correct |
3 ms |
4948 KB |
Output is correct |
43 |
Correct |
3 ms |
4948 KB |
Output is correct |
44 |
Correct |
3 ms |
4948 KB |
Output is correct |
45 |
Correct |
3 ms |
4948 KB |
Output is correct |
46 |
Correct |
3 ms |
5000 KB |
Output is correct |
47 |
Correct |
2 ms |
5000 KB |
Output is correct |
48 |
Correct |
3 ms |
5000 KB |
Output is correct |
49 |
Correct |
3 ms |
4948 KB |
Output is correct |
50 |
Correct |
3 ms |
4996 KB |
Output is correct |
51 |
Correct |
3 ms |
4948 KB |
Output is correct |
52 |
Correct |
3 ms |
5076 KB |
Output is correct |
53 |
Correct |
3 ms |
4948 KB |
Output is correct |
54 |
Correct |
5 ms |
5524 KB |
Output is correct |
55 |
Correct |
6 ms |
5460 KB |
Output is correct |
56 |
Runtime error |
33 ms |
17172 KB |
Execution killed with signal 11 |
57 |
Halted |
0 ms |
0 KB |
- |