C PROGRAM TO FIND WETHER THE GIVEN NUMBER IS POSITIVE OR NEGATIVE

#include <stdio.h>
int main()
{
    float a;
    printf("Enter a value : ");
    scanf("%f",&a);
    if (a<=0)
    {
        if (a==0)
          printf("You entered zero.");
        else
          printf("You entered a negative value %.2f .",a);
    }
    else
      printf("You entered a positive value %.2f.",a);
    return 0;
}

OUTPUT

Enter a value :  5
You entered a positive value 5.00