Submission #55683

#	Time	Username	Problem	Language	Result	Execution time	Memory
55683		minkank	Ancient Books (IOI17_books)	C++17	0 / 100	2 ms	608 KiB

books

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

using namespace std;

long long minimum_walk(vector<int> p, int s) {
	int n = p.size();
	int R = p[0];
	long long ans = 0;
	for(int i = 0; i < n; ++i) ans += abs(i - p[i]);
	for(int i = 1; i < n; ++i) {
		R = max(R, p[i]);
		if(i == R) ans += 2;
	}
	return ans;
}

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