Hackerrank_Algorithm/PlusMinus at master · Nikitapande/Hackerrank_Algorithm · GitHub

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/*
  Given an array of integers, calculate the fractions of its elements that are positive, negative, and are zeros.
  Print the decimal value of each fraction on a new line.

 */

 #include<iostream>
#include<iomanip>
using namespace std;

int main()
{
    int n,i;
    static int a=0,b=0,c=0;
    cin>>n;
    int ar[n];
    for(i=0;i<n;i++)
    {
        cin>>ar[i];
    }
    for(i=0;i<n;i++)
    {
        if(ar[i]>0)
        {
            a++;
        }
        else if(ar[i]==0)
        {
            b++;
        }
        else
        {
            c++;
        }
    }
        cout<<fixed<<setprecision(6)<<(float)a/n<<endl;
        cout<<fixed<<setprecision(6)<<(float)c/n<<endl;
        cout<<fixed<<setprecision(6)<<(float)b/n<<endl;


    return 0;
}