Submission #1061318

#	Time	Username	Problem	Language	Result	Execution time	Memory
1061318		fv3	Ancient Books (IOI17_books)	C++14	12 / 100	0 ms	600 KiB

books

#include "books.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ll minimum_walk(vector<int> P, int S) 
{
	const int N = P.size();	

	ll res = 0;
	for (int i = 0; i < N; i++)
	{
		res += abs(P[i] - i);
	}
	int sort_length = 0;
	while (sort_length < N && P[sort_length] == sort_length)
		sort_length++;

	if (sort_length < N)
		res += sort_length * 2;

	return res;
}

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