Submission #1158624

#	Time	Username	Problem	Language	Result	Execution time	Memory
1158624		Sharky	고대 책들 (IOI17_books)	C++20	12 / 100	0 ms	328 KiB

books

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

long long minimum_walk(std::vector<int> p, int s) {
	int f = 0, n = p.size();
	while (n >= 1 && p[n-1] == n-1) n--;
	for (int i = 0; i < n; i++) {
		if (p[i] == i) f++;
		else break;
	}
	long long ans = 0;
	for (int i = 0; i < n; i++) ans += abs(p[i] - i);
	return ans + f * 2;
}

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