#include "books.h"
#include<bits/stdc++.h>
using namespace std;
int par[100100];
int abp(int n){
return par[n]?par[n]=abp(par[n]):n;
}
int merge(int a,int b){
a=abp(a+1);b=abp(b+1);
if(a-b)par[a]=b;
return a!=b;
}
long long minimum_walk(std::vector<int> p, int s) {
long long ans=0;
int n=p.size(),K=0;
for(int i=0;i<n;i++)if(i-p[i]) K=i,
ans+=abs(i-p[i]),merge(i,p[i]);
for(int i=1;i<=K;i++)
ans+=2*merge(i-1,i);
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
3rd lines differ - on the 1st token, expected: '6', found: '8' |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
3rd lines differ - on the 1st token, expected: '6', found: '8' |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
3rd lines differ - on the 1st token, expected: '6', found: '8' |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
3rd lines differ - on the 1st token, expected: '3304', found: '4186' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
3rd lines differ - on the 1st token, expected: '6', found: '8' |
3 |
Halted |
0 ms |
0 KB |
- |