How  to find  Number is a positive or Negative in C:-

• The following concept will test whether a number is positive or negative. It is done by checking where the number lies on the number line. The following algorithm will help to check this condition.

• If the input number is greater than zero then it is a positive number.

• If the input number is less than zero it is a negative number.

• If the number is zero then it is neither positive nor negative.

• Same logic we have followed in the below C program.

ALGORITHMS:-

• Step 1. Start
• Step 2. Enter the number.
• Step 3. If the number is less than or equal to zero, check if it is zero.
• Step 4. If the number is zero, print, “, The number is zero.”
• Step 5. If the number is less than zero, print, “The number is negative.”
• Step 6. If the number is more than zero, print, “The number is positive.”
• Step 7. Stop

 Code:-

#include<stdio.h> 
int main()
{
    int num;
    printf("Enter the value of num: ");
    scanf("%d",&num);//take input from user
    if(num>0)//for positive number
    {
        printf("The num %d is positive",num);
    }else if (num<0)
    {
        printf("The num %d is negative",num);
    }else{
        printf("The num %d is equal to zero",num);
    }
    return 0;

OUTPUT:

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