| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 68031 |
2018-08-15T19:32:38 Z |
KLPP |
Ancient Books (IOI17_books) |
C++14 |
|
2000 ms |
104732 KB |
#include "books.h"
#include<iostream>
#include<vector>
#include<queue>
#include<map>
using namespace std;
typedef long long lld;
typedef pair<int,int> state;
typedef std::map<state,lld>::iterator mi;
int arr[1000000];
int n;
int maxa,maxb;
map<state,lld>DP;
lld computevalue(int i, int j){
//cout<<i<<" "<<j<<endl;
if(i<=maxa && maxb<=j)return 0;
mi it=DP.find(state(i,j));
if(it!=DP.end())return it->second;
int start=i;
int end=j;
int ps=start;
int pe=end;
while(pe<=end){
while(ps>=start){
start=min(start,arr[ps]);
end=max(end,arr[ps]);
ps--;
}
start=min(start,arr[pe]);
end=max(end,arr[pe]);
pe++;
}
lld ans=1000000000000000000;
if(start<=maxa && maxb<=end){
DP[state(i,j)]=0;
return 0;
}
if(start>maxa){
ans=min(ans,computevalue(start-1,end)+2);
}
if(end<maxb){
ans=min(ans,computevalue(start,end+1)+2);
}
DP[state(i,j)]=ans;
return ans;
}
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;
}
}
//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 |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
3 ms |
360 KB |
Output is correct |
| 3 |
Correct |
3 ms |
440 KB |
Output is correct |
| 4 |
Correct |
2 ms |
492 KB |
Output is correct |
| 5 |
Correct |
2 ms |
532 KB |
Output is correct |
| 6 |
Correct |
2 ms |
532 KB |
Output is correct |
| 7 |
Correct |
3 ms |
576 KB |
Output is correct |
| 8 |
Correct |
2 ms |
576 KB |
Output is correct |
| 9 |
Correct |
3 ms |
576 KB |
Output is correct |
| 10 |
Correct |
3 ms |
576 KB |
Output is correct |
| 11 |
Correct |
3 ms |
576 KB |
Output is correct |
| 12 |
Correct |
2 ms |
616 KB |
Output is correct |
| 13 |
Correct |
3 ms |
616 KB |
Output is correct |
| 14 |
Correct |
2 ms |
616 KB |
Output is correct |
| 15 |
Correct |
2 ms |
616 KB |
Output is correct |
| 16 |
Correct |
3 ms |
632 KB |
Output is correct |
| 17 |
Correct |
4 ms |
640 KB |
Output is correct |
| 18 |
Correct |
2 ms |
772 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
3 ms |
360 KB |
Output is correct |
| 3 |
Correct |
3 ms |
440 KB |
Output is correct |
| 4 |
Correct |
2 ms |
492 KB |
Output is correct |
| 5 |
Correct |
2 ms |
532 KB |
Output is correct |
| 6 |
Correct |
2 ms |
532 KB |
Output is correct |
| 7 |
Correct |
3 ms |
576 KB |
Output is correct |
| 8 |
Correct |
2 ms |
576 KB |
Output is correct |
| 9 |
Correct |
3 ms |
576 KB |
Output is correct |
| 10 |
Correct |
3 ms |
576 KB |
Output is correct |
| 11 |
Correct |
3 ms |
576 KB |
Output is correct |
| 12 |
Correct |
2 ms |
616 KB |
Output is correct |
| 13 |
Correct |
3 ms |
616 KB |
Output is correct |
| 14 |
Correct |
2 ms |
616 KB |
Output is correct |
| 15 |
Correct |
2 ms |
616 KB |
Output is correct |
| 16 |
Correct |
3 ms |
632 KB |
Output is correct |
| 17 |
Correct |
4 ms |
640 KB |
Output is correct |
| 18 |
Correct |
2 ms |
772 KB |
Output is correct |
| 19 |
Correct |
2 ms |
772 KB |
Output is correct |
| 20 |
Correct |
2 ms |
772 KB |
Output is correct |
| 21 |
Correct |
3 ms |
772 KB |
Output is correct |
| 22 |
Correct |
3 ms |
772 KB |
Output is correct |
| 23 |
Correct |
3 ms |
772 KB |
Output is correct |
| 24 |
Correct |
3 ms |
772 KB |
Output is correct |
| 25 |
Correct |
2 ms |
772 KB |
Output is correct |
| 26 |
Correct |
2 ms |
772 KB |
Output is correct |
| 27 |
Correct |
3 ms |
772 KB |
Output is correct |
| 28 |
Correct |
3 ms |
772 KB |
Output is correct |
| 29 |
Correct |
3 ms |
772 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
3 ms |
360 KB |
Output is correct |
| 3 |
Correct |
3 ms |
440 KB |
Output is correct |
| 4 |
Correct |
2 ms |
492 KB |
Output is correct |
| 5 |
Correct |
2 ms |
532 KB |
Output is correct |
| 6 |
Correct |
2 ms |
532 KB |
Output is correct |
| 7 |
Correct |
3 ms |
576 KB |
Output is correct |
| 8 |
Correct |
2 ms |
576 KB |
Output is correct |
| 9 |
Correct |
3 ms |
576 KB |
Output is correct |
| 10 |
Correct |
3 ms |
576 KB |
Output is correct |
| 11 |
Correct |
3 ms |
576 KB |
Output is correct |
| 12 |
Correct |
2 ms |
616 KB |
Output is correct |
| 13 |
Correct |
3 ms |
616 KB |
Output is correct |
| 14 |
Correct |
2 ms |
616 KB |
Output is correct |
| 15 |
Correct |
2 ms |
616 KB |
Output is correct |
| 16 |
Correct |
3 ms |
632 KB |
Output is correct |
| 17 |
Correct |
4 ms |
640 KB |
Output is correct |
| 18 |
Correct |
2 ms |
772 KB |
Output is correct |
| 19 |
Correct |
2 ms |
772 KB |
Output is correct |
| 20 |
Correct |
2 ms |
772 KB |
Output is correct |
| 21 |
Correct |
3 ms |
772 KB |
Output is correct |
| 22 |
Correct |
3 ms |
772 KB |
Output is correct |
| 23 |
Correct |
3 ms |
772 KB |
Output is correct |
| 24 |
Correct |
3 ms |
772 KB |
Output is correct |
| 25 |
Correct |
2 ms |
772 KB |
Output is correct |
| 26 |
Correct |
2 ms |
772 KB |
Output is correct |
| 27 |
Correct |
3 ms |
772 KB |
Output is correct |
| 28 |
Correct |
3 ms |
772 KB |
Output is correct |
| 29 |
Correct |
3 ms |
772 KB |
Output is correct |
| 30 |
Correct |
168 ms |
14500 KB |
Output is correct |
| 31 |
Correct |
184 ms |
14564 KB |
Output is correct |
| 32 |
Correct |
142 ms |
14564 KB |
Output is correct |
| 33 |
Correct |
429 ms |
104732 KB |
Output is correct |
| 34 |
Correct |
479 ms |
104732 KB |
Output is correct |
| 35 |
Correct |
384 ms |
104732 KB |
Output is correct |
| 36 |
Correct |
202 ms |
104732 KB |
Output is correct |
| 37 |
Correct |
154 ms |
104732 KB |
Output is correct |
| 38 |
Correct |
162 ms |
104732 KB |
Output is correct |
| 39 |
Correct |
178 ms |
104732 KB |
Output is correct |
| 40 |
Correct |
168 ms |
104732 KB |
Output is correct |
| 41 |
Correct |
174 ms |
104732 KB |
Output is correct |
| 42 |
Correct |
159 ms |
104732 KB |
Output is correct |
| 43 |
Correct |
142 ms |
104732 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
74 ms |
104732 KB |
Output is correct |
| 2 |
Correct |
4 ms |
104732 KB |
Output is correct |
| 3 |
Correct |
38 ms |
104732 KB |
Output is correct |
| 4 |
Correct |
62 ms |
104732 KB |
Output is correct |
| 5 |
Correct |
63 ms |
104732 KB |
Output is correct |
| 6 |
Correct |
3 ms |
104732 KB |
Output is correct |
| 7 |
Correct |
3 ms |
104732 KB |
Output is correct |
| 8 |
Correct |
2 ms |
104732 KB |
Output is correct |
| 9 |
Correct |
3 ms |
104732 KB |
Output is correct |
| 10 |
Correct |
3 ms |
104732 KB |
Output is correct |
| 11 |
Correct |
7 ms |
104732 KB |
Output is correct |
| 12 |
Correct |
8 ms |
104732 KB |
Output is correct |
| 13 |
Correct |
3 ms |
104732 KB |
Output is correct |
| 14 |
Correct |
4 ms |
104732 KB |
Output is correct |
| 15 |
Correct |
2 ms |
104732 KB |
Output is correct |
| 16 |
Correct |
2 ms |
104732 KB |
Output is correct |
| 17 |
Correct |
4 ms |
104732 KB |
Output is correct |
| 18 |
Correct |
4 ms |
104732 KB |
Output is correct |
| 19 |
Correct |
4 ms |
104732 KB |
Output is correct |
| 20 |
Correct |
3 ms |
104732 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
248 KB |
Output is correct |
| 2 |
Correct |
3 ms |
360 KB |
Output is correct |
| 3 |
Correct |
3 ms |
440 KB |
Output is correct |
| 4 |
Correct |
2 ms |
492 KB |
Output is correct |
| 5 |
Correct |
2 ms |
532 KB |
Output is correct |
| 6 |
Correct |
2 ms |
532 KB |
Output is correct |
| 7 |
Correct |
3 ms |
576 KB |
Output is correct |
| 8 |
Correct |
2 ms |
576 KB |
Output is correct |
| 9 |
Correct |
3 ms |
576 KB |
Output is correct |
| 10 |
Correct |
3 ms |
576 KB |
Output is correct |
| 11 |
Correct |
3 ms |
576 KB |
Output is correct |
| 12 |
Correct |
2 ms |
616 KB |
Output is correct |
| 13 |
Correct |
3 ms |
616 KB |
Output is correct |
| 14 |
Correct |
2 ms |
616 KB |
Output is correct |
| 15 |
Correct |
2 ms |
616 KB |
Output is correct |
| 16 |
Correct |
3 ms |
632 KB |
Output is correct |
| 17 |
Correct |
4 ms |
640 KB |
Output is correct |
| 18 |
Correct |
2 ms |
772 KB |
Output is correct |
| 19 |
Correct |
2 ms |
772 KB |
Output is correct |
| 20 |
Correct |
2 ms |
772 KB |
Output is correct |
| 21 |
Correct |
3 ms |
772 KB |
Output is correct |
| 22 |
Correct |
3 ms |
772 KB |
Output is correct |
| 23 |
Correct |
3 ms |
772 KB |
Output is correct |
| 24 |
Correct |
3 ms |
772 KB |
Output is correct |
| 25 |
Correct |
2 ms |
772 KB |
Output is correct |
| 26 |
Correct |
2 ms |
772 KB |
Output is correct |
| 27 |
Correct |
3 ms |
772 KB |
Output is correct |
| 28 |
Correct |
3 ms |
772 KB |
Output is correct |
| 29 |
Correct |
3 ms |
772 KB |
Output is correct |
| 30 |
Correct |
168 ms |
14500 KB |
Output is correct |
| 31 |
Correct |
184 ms |
14564 KB |
Output is correct |
| 32 |
Correct |
142 ms |
14564 KB |
Output is correct |
| 33 |
Correct |
429 ms |
104732 KB |
Output is correct |
| 34 |
Correct |
479 ms |
104732 KB |
Output is correct |
| 35 |
Correct |
384 ms |
104732 KB |
Output is correct |
| 36 |
Correct |
202 ms |
104732 KB |
Output is correct |
| 37 |
Correct |
154 ms |
104732 KB |
Output is correct |
| 38 |
Correct |
162 ms |
104732 KB |
Output is correct |
| 39 |
Correct |
178 ms |
104732 KB |
Output is correct |
| 40 |
Correct |
168 ms |
104732 KB |
Output is correct |
| 41 |
Correct |
174 ms |
104732 KB |
Output is correct |
| 42 |
Correct |
159 ms |
104732 KB |
Output is correct |
| 43 |
Correct |
142 ms |
104732 KB |
Output is correct |
| 44 |
Correct |
74 ms |
104732 KB |
Output is correct |
| 45 |
Correct |
4 ms |
104732 KB |
Output is correct |
| 46 |
Correct |
38 ms |
104732 KB |
Output is correct |
| 47 |
Correct |
62 ms |
104732 KB |
Output is correct |
| 48 |
Correct |
63 ms |
104732 KB |
Output is correct |
| 49 |
Correct |
3 ms |
104732 KB |
Output is correct |
| 50 |
Correct |
3 ms |
104732 KB |
Output is correct |
| 51 |
Correct |
2 ms |
104732 KB |
Output is correct |
| 52 |
Correct |
3 ms |
104732 KB |
Output is correct |
| 53 |
Correct |
3 ms |
104732 KB |
Output is correct |
| 54 |
Correct |
7 ms |
104732 KB |
Output is correct |
| 55 |
Correct |
8 ms |
104732 KB |
Output is correct |
| 56 |
Correct |
3 ms |
104732 KB |
Output is correct |
| 57 |
Correct |
4 ms |
104732 KB |
Output is correct |
| 58 |
Correct |
2 ms |
104732 KB |
Output is correct |
| 59 |
Correct |
2 ms |
104732 KB |
Output is correct |
| 60 |
Correct |
4 ms |
104732 KB |
Output is correct |
| 61 |
Correct |
4 ms |
104732 KB |
Output is correct |
| 62 |
Correct |
4 ms |
104732 KB |
Output is correct |
| 63 |
Correct |
3 ms |
104732 KB |
Output is correct |
| 64 |
Execution timed out |
2053 ms |
104732 KB |
Time limit exceeded |
| 65 |
Halted |
0 ms |
0 KB |
- |
