제출 #73427

#제출 시각아이디문제언어결과실행 시간메모리
73427SmsS고대 책들 (IOI17_books)C++14
0 / 100
5 ms508 KiB
#include<bits/stdc++.h>
using namespace std;
#define for2(a,b,c) for(int a = b; a < c; a++)
#include "books.h"
#define ll long long
long long minimum_walk(std::vector<int> p, int s) {
	if(s != 0) return 0;
	ll res = 0;
	int n = p.size();
	for2(i,0,n) res += abs(i-p[i]);
	int r = 0;
	for2(i,0,n-1){
		r  = max(r,p[i]);
		if(i == r) res += 2;
	}
	return res;
}
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