#include "books.h"
#include<iostream>
#include<vector>
#include<queue>
using namespace std;
typedef long long lld;
int arr[1000000];
int n;
int maxa,maxb;
lld DP[1000][1000];
lld computevalue(int i, int j){
//cout<<i<<" "<<j<<endl;
if(i<=maxa && maxb<=j)return 0;
if(DP[i][j]!=-1)return DP[i][j];
int start=i;
int end=j;
int newstart=start;
int newend=end;
do{
//cout<<start<<" "<<end<<endl;
start=newstart;
end=newend;
for(int x=start;x<=end;x++){
newstart=min(newstart,arr[x]);
newend=max(newend,arr[x]);
}
}while(!(newstart==start && newend==end));
DP[i][j]=1000000000000000000;
if(start>maxa){
DP[i][j]=min(DP[i][j],computevalue(start-1,end)+2);
}
else if(end<maxb){
DP[i][j]=min(DP[i][j],computevalue(start,end+1)+2);
}else DP[i][j]=0;
return DP[i][j];
}
lld abs(lld x){
if(x>0)return x;
return -x;
}
long long minimum_walk(std::vector<int> p, int s) {
n=p.size();
for(int i=0;i<n;i++){
arr[i]=p[i];
}
maxa=n;
for(int i=0;i<n;i++){
if(p[i]!=i){
maxa=i;
i=n;
}
}
maxb=-1;
for(int i=n-1;i>-1;i--){
if(p[i]!=i){
maxb=i;
i=-1;
}
}
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
DP[i][j]=-1;
}
}
//cout<<maxa<<" "<<maxb<<endl;
lld ans=0;
for(int i=0;i<n;i++)ans+=abs(p[i]-i);
//cout<<ans<<endl;
ans+=computevalue(s,s);
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
3 ms |
440 KB |
Output is correct |
| 4 |
Correct |
2 ms |
488 KB |
Output is correct |
| 5 |
Correct |
2 ms |
532 KB |
Output is correct |
| 6 |
Correct |
3 ms |
536 KB |
Output is correct |
| 7 |
Correct |
2 ms |
668 KB |
Output is correct |
| 8 |
Correct |
2 ms |
668 KB |
Output is correct |
| 9 |
Correct |
2 ms |
668 KB |
Output is correct |
| 10 |
Correct |
3 ms |
736 KB |
Output is correct |
| 11 |
Correct |
2 ms |
740 KB |
Output is correct |
| 12 |
Correct |
2 ms |
740 KB |
Output is correct |
| 13 |
Correct |
4 ms |
740 KB |
Output is correct |
| 14 |
Correct |
3 ms |
740 KB |
Output is correct |
| 15 |
Correct |
3 ms |
740 KB |
Output is correct |
| 16 |
Correct |
3 ms |
740 KB |
Output is correct |
| 17 |
Correct |
2 ms |
796 KB |
Output is correct |
| 18 |
Correct |
2 ms |
796 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
3 ms |
440 KB |
Output is correct |
| 4 |
Correct |
2 ms |
488 KB |
Output is correct |
| 5 |
Correct |
2 ms |
532 KB |
Output is correct |
| 6 |
Correct |
3 ms |
536 KB |
Output is correct |
| 7 |
Correct |
2 ms |
668 KB |
Output is correct |
| 8 |
Correct |
2 ms |
668 KB |
Output is correct |
| 9 |
Correct |
2 ms |
668 KB |
Output is correct |
| 10 |
Correct |
3 ms |
736 KB |
Output is correct |
| 11 |
Correct |
2 ms |
740 KB |
Output is correct |
| 12 |
Correct |
2 ms |
740 KB |
Output is correct |
| 13 |
Correct |
4 ms |
740 KB |
Output is correct |
| 14 |
Correct |
3 ms |
740 KB |
Output is correct |
| 15 |
Correct |
3 ms |
740 KB |
Output is correct |
| 16 |
Correct |
3 ms |
740 KB |
Output is correct |
| 17 |
Correct |
2 ms |
796 KB |
Output is correct |
| 18 |
Correct |
2 ms |
796 KB |
Output is correct |
| 19 |
Correct |
10 ms |
8500 KB |
Output is correct |
| 20 |
Correct |
9 ms |
8504 KB |
Output is correct |
| 21 |
Correct |
10 ms |
8512 KB |
Output is correct |
| 22 |
Correct |
9 ms |
8512 KB |
Output is correct |
| 23 |
Correct |
10 ms |
8516 KB |
Output is correct |
| 24 |
Correct |
11 ms |
8516 KB |
Output is correct |
| 25 |
Correct |
10 ms |
8516 KB |
Output is correct |
| 26 |
Correct |
10 ms |
8516 KB |
Output is correct |
| 27 |
Correct |
10 ms |
8520 KB |
Output is correct |
| 28 |
Correct |
9 ms |
8536 KB |
Output is correct |
| 29 |
Correct |
11 ms |
8536 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
3 ms |
440 KB |
Output is correct |
| 4 |
Correct |
2 ms |
488 KB |
Output is correct |
| 5 |
Correct |
2 ms |
532 KB |
Output is correct |
| 6 |
Correct |
3 ms |
536 KB |
Output is correct |
| 7 |
Correct |
2 ms |
668 KB |
Output is correct |
| 8 |
Correct |
2 ms |
668 KB |
Output is correct |
| 9 |
Correct |
2 ms |
668 KB |
Output is correct |
| 10 |
Correct |
3 ms |
736 KB |
Output is correct |
| 11 |
Correct |
2 ms |
740 KB |
Output is correct |
| 12 |
Correct |
2 ms |
740 KB |
Output is correct |
| 13 |
Correct |
4 ms |
740 KB |
Output is correct |
| 14 |
Correct |
3 ms |
740 KB |
Output is correct |
| 15 |
Correct |
3 ms |
740 KB |
Output is correct |
| 16 |
Correct |
3 ms |
740 KB |
Output is correct |
| 17 |
Correct |
2 ms |
796 KB |
Output is correct |
| 18 |
Correct |
2 ms |
796 KB |
Output is correct |
| 19 |
Correct |
10 ms |
8500 KB |
Output is correct |
| 20 |
Correct |
9 ms |
8504 KB |
Output is correct |
| 21 |
Correct |
10 ms |
8512 KB |
Output is correct |
| 22 |
Correct |
9 ms |
8512 KB |
Output is correct |
| 23 |
Correct |
10 ms |
8516 KB |
Output is correct |
| 24 |
Correct |
11 ms |
8516 KB |
Output is correct |
| 25 |
Correct |
10 ms |
8516 KB |
Output is correct |
| 26 |
Correct |
10 ms |
8516 KB |
Output is correct |
| 27 |
Correct |
10 ms |
8520 KB |
Output is correct |
| 28 |
Correct |
9 ms |
8536 KB |
Output is correct |
| 29 |
Correct |
11 ms |
8536 KB |
Output is correct |
| 30 |
Runtime error |
634 ms |
42840 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 31 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
42840 KB |
Output is correct |
| 2 |
Correct |
10 ms |
42840 KB |
Output is correct |
| 3 |
Correct |
10 ms |
42840 KB |
Output is correct |
| 4 |
Correct |
10 ms |
42840 KB |
Output is correct |
| 5 |
Correct |
10 ms |
42840 KB |
Output is correct |
| 6 |
Incorrect |
9 ms |
42840 KB |
3rd lines differ - on the 1st token, expected: '22140', found: '22144' |
| 7 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
3 ms |
440 KB |
Output is correct |
| 4 |
Correct |
2 ms |
488 KB |
Output is correct |
| 5 |
Correct |
2 ms |
532 KB |
Output is correct |
| 6 |
Correct |
3 ms |
536 KB |
Output is correct |
| 7 |
Correct |
2 ms |
668 KB |
Output is correct |
| 8 |
Correct |
2 ms |
668 KB |
Output is correct |
| 9 |
Correct |
2 ms |
668 KB |
Output is correct |
| 10 |
Correct |
3 ms |
736 KB |
Output is correct |
| 11 |
Correct |
2 ms |
740 KB |
Output is correct |
| 12 |
Correct |
2 ms |
740 KB |
Output is correct |
| 13 |
Correct |
4 ms |
740 KB |
Output is correct |
| 14 |
Correct |
3 ms |
740 KB |
Output is correct |
| 15 |
Correct |
3 ms |
740 KB |
Output is correct |
| 16 |
Correct |
3 ms |
740 KB |
Output is correct |
| 17 |
Correct |
2 ms |
796 KB |
Output is correct |
| 18 |
Correct |
2 ms |
796 KB |
Output is correct |
| 19 |
Correct |
10 ms |
8500 KB |
Output is correct |
| 20 |
Correct |
9 ms |
8504 KB |
Output is correct |
| 21 |
Correct |
10 ms |
8512 KB |
Output is correct |
| 22 |
Correct |
9 ms |
8512 KB |
Output is correct |
| 23 |
Correct |
10 ms |
8516 KB |
Output is correct |
| 24 |
Correct |
11 ms |
8516 KB |
Output is correct |
| 25 |
Correct |
10 ms |
8516 KB |
Output is correct |
| 26 |
Correct |
10 ms |
8516 KB |
Output is correct |
| 27 |
Correct |
10 ms |
8520 KB |
Output is correct |
| 28 |
Correct |
9 ms |
8536 KB |
Output is correct |
| 29 |
Correct |
11 ms |
8536 KB |
Output is correct |
| 30 |
Runtime error |
634 ms |
42840 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
| 31 |
Halted |
0 ms |
0 KB |
- |
