Submission #428036

#	Time	Username	Problem	Language	Result	Execution time	Memory
428036		inwbear	Ancient Books (IOI17_books)	C++14	0 / 100	1 ms	316 KiB

books

#include "books.h"
#include <bits/stdc++.h>
using namespace std;
set<pair<int,int> >ss;
long long ans=0;
long long minimum_walk(std::vector<int> p, int s)
{
    int ed=0,rr=0;
    for(int i=0;i<p.size();i++)
    {
        ed=max(ed,p[i]);
        if(ed==i)
        {
            rr++;
        }
        ans+=abs(i-p[i]);
    }
    ans+=(rr-1)*2;
	return ans;
}

Compilation message (stderr)

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:9:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for(int i=0;i<p.size();i++)
      |                 ~^~~~~~~~~

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