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Submission #611818

# Submission time Handle Problem Language Result Execution time Memory
611818 2022-07-29T07:54:02 Z Shithila Ancient Books (IOI17_books) C++14
Compilation error
 0 ms 0 KB 
#include "books.h"

long long minimum_walk(std::vector<int> p, int s) {
	int len=p.size();
	int correct=true;
	int count=0;
	for(int i=len-1;len>0;len--)
	{
		if(p[i]!=i)
		{
			correct=false;
			break;
		}
		count++;
	}
	if(correct==true) return 0;
	else
	{
		int ans=n-count-1;
		ans=ans+ans;
		return ans;
	}
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:19:11: error: 'n' was not declared in this scope
   19 |   int ans=n-count-1;
      |           ^