Submission #1244572

#	Time	Username	Problem	Language	Result	Execution time	Memory
1244572		t_holl	Ancient Books (IOI17_books)	C++20	0 / 100	0 ms	324 KiB

books

#include "books.h"

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

int visit (vector<int> &p, vector<bool> &v, int i) {
	if (v[i]) return 0;
	v[i] = true;

	int j = p[i];
	
	return visit(p, v, j) + abs(j - i);
}

long long minimum_walk(std::vector<int> p, int s) {
	vector<bool> v(p.size());

	int latest = 0;
	int result = 0;
	for (int i = 0; i < p.size(); i ++) {
		int local = visit(p, v, i);
		if (local != 0) latest = i;

		result += local;
	}
	
	return result + latest;
}

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