Submission #298236

#	Time	Username	Problem	Language	Result	Execution time	Memory
298236		Rayaabualjamal	Arranging Shoes (IOI19_shoes)	C++14	Compilation error	0 ms	0 KiB

shoes

#include "shoes.h"
#include <iostream> 
#include <vector> 
#include <cstdio>
#define rep(i,a,b) for(int i = a; i<b; i++)
using namespace std;
long long count_swaps(vector<int> s) {
	if(s.size()==2){
		if(s[0]<0){
			return 0;
		}else{
			return 1;
		}
	}
	//vector <int> n(n), p(n), sum(n+n, 0);
	long long ans = 0;
	rep(i,0,n){
		ans+= i;
	}
	return ans;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:17:10: error: 'n' was not declared in this scope
   17 |  rep(i,0,n){
      |          ^
shoes.cpp:5:37: note: in definition of macro 'rep'
    5 | #define rep(i,a,b) for(int i = a; i<b; i++)
      |                                     ^