#include <stdio.h>
int main()
{
double number;
printf("Enter a number: ");
scanf("%lf", &number);
if (number <= 0.0)
{
if (number == 0.0)
printf("You entered 0.");
else
printf("You entered a negative number.");
}
else
printf("You entered a positive number.");
return 0;
}
#include <stdio.h>
int main()
{
double number;
printf("Enter a number: ");
scanf("%lf", &number);
// true if number is less than 0
if (number < 0.0)
printf("You entered a negative number.");
// true if number is greater than 0
else if ( number > 0.0)
printf("You entered a positive number.");
// if both test expression is evaluated to false
else
printf("You entered 0.");
return 0;
}
Output 1
Enter a number: 12.3
You entered a positive number.
Output 2
Enter a number: 0
You entered 0.
int main()
{
double number;
printf("Enter a number: ");
scanf("%lf", &number);
if (number <= 0.0)
{
if (number == 0.0)
printf("You entered 0.");
else
printf("You entered a negative number.");
}
else
printf("You entered a positive number.");
return 0;
}
OR
#include <stdio.h>
int main()
{
double number;
printf("Enter a number: ");
scanf("%lf", &number);
// true if number is less than 0
if (number < 0.0)
printf("You entered a negative number.");
// true if number is greater than 0
else if ( number > 0.0)
printf("You entered a positive number.");
// if both test expression is evaluated to false
else
printf("You entered 0.");
return 0;
}
Output 1
Enter a number: 12.3
You entered a positive number.
Output 2
Enter a number: 0
You entered 0.