Submission #1362705

#	Time	Username	Problem	Language	Result	Execution time	Memory
1362705		maya_s	Ancient Books (IOI17_books)	C++20	0 / 100	0 ms	344 KiB

books

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

long long minimum_walk(vector<int> p, int s) {
	ll n = p.size();
	vector<int> v(n);
	for(ll i = 0; i < n; i++) v[i] = i;
	if(p == v) return 0;
	if(n == 2) return 2;
	if(n == 3){
		if(p[2] == 2) return 2;
		return 4;
	}
	if(p[3] == 3){
		if(p[2] == 2) return 2;
		return 4;
	}
	if(p[0] == 0 || p[1] == 1 || p[2] == 2) return 6;
	return 8;
}

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