Submission #1075931

#	Time	Username	Problem	Language	Result	Execution time	Memory
1075931		amin	Ancient Books (IOI17_books)	C++14	12 / 100	1 ms	600 KiB

books

#include "books.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
long long minimum_walk(vector<int> p, int s) {
	ll ans=0;
	ll n=p.size();
	ll ma=0;
	ll mi=-1;
	int o[n];
	for(int i=0;i<n;i++)
    {
        o[p[i]]=i;
    }
	for(int i=0;i<n;i++)
    {
        if(p[i]==i)
        {
            continue;
        }
        if(p[i]>i)
        {
           if(mi==-1)
            mi=i;
        ma=i;
        }


            ans+=abs(p[i]-i);
    }
    if(mi==-1)
        mi=0;
    return ans+2*mi;
}

Compilation message (stderr)

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:8:5: warning: variable 'ma' set but not used [-Wunused-but-set-variable]
    8 |  ll ma=0;
      |     ^~
books.cpp:10:6: warning: variable 'o' set but not used [-Wunused-but-set-variable]
   10 |  int o[n];
      |      ^

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