Submission #1048537

#	Time	Username	Problem	Language	Result	Execution time	Memory
1048537		Gromp15	Ancient Books (IOI17_books)	C++17	0 / 100	0 ms	348 KiB

books

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

long long minimum_walk(std::vector<int> p, int s) {
	int n = p.size();
	vector<bool> vis(n);
	long long ans = 0;
	int lst = 0;
	for (int i = 0; i < n; i++) if (!vis[i]) {
		ans += 2 * (i - lst);
		int tmp = i;
		long long cur = 0;
		while (!vis[tmp]) {
			cur += abs(tmp - p[tmp]), vis[tmp] = 1, tmp = p[tmp];
		}
		lst = tmp;
		ans += cur;
	}
	return ans;
}

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