solution for problem on hackerrank (https://www.hackerrank.com/challenges/plus-minus), It passes any of the testcases I give it including ones that the site says it fails when checking for solutions. I'm not sure what the problem is, I'm assuming it's a float precision problem

plusminus.c

/*solution for problem on hackerrank (https://www.hackerrank.com/challenges/plus-minus), It passes any of the
testcases I give it including ones that the site says it fails when checking for solutions.
I'm not sure what the problem is, but I'm assuming it's a float precision problem

is supposed to take scan in an array of numbers of length given by the first number and then print the ratio of positive/ negative
and zero numbers to the third decimal place*/

#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

int main(){
	int n, pos, neg, arr_i; 
	scanf("%d",&n);
	int arr[n];
	pos = 0;
	neg = 0;

	for(arr_i = 0; arr_i < n; arr_i++){
		scanf("%d",&arr[arr_i]);
		if (arr[arr_i] != 0){
			if (arr[arr_i] > 0){
				pos +=1;
			}
			else{
				neg +=1;
			}
		}
	}
	
	printf("%.3f\n", ((pos*1.0)/n));
	printf("%.3f\n", ((neg*1.0)/n));
	printf("%.3f", ((1.0*(6-(neg+pos)))/n));
	return 0;
}