Submission #1316379

#	Time	Username	Problem	Language	Result	Execution time	Memory
1316379		Luvidi	Ancient Books (IOI17_books)	C++20	0 / 100	0 ms	332 KiB

books

#include "books.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long

long long minimum_walk(std::vector<int> p, int s) {
	int n=p.size();
	bool vs[n];
	memset(vs,0,sizeof(vs));
	ll ans=0,mx=0;
	for(int i=0;i<n;i++)if(!vs[i]){
		int t=p[i];
		ans+=abs(i-p[i]);
		vs[t]=1;
		while(t!=i){
			ans+=abs(t-p[t]);
			vs[t]=1;
			t=p[t];
		}
		mx=i;
	}
	ans+=2*mx;
	return ans;
}

• Subtask 1: 0 / 12
• Subtask 2: 0 / 10
• Subtask 3: 0 / 28
• Subtask 4: 0 / 20
• Subtask 5: 0 / 30