C Exercises: Check whether a number is positive or negative

C Conditional Statement: Exercise-3 with Solution

Write a C program to check whether a given number is positive or negative.

Sample Solution:

C Code:

#include <stdio.h>
void main()
{
    int num;
 
    printf("Input a number :");
    scanf("%d", &num);
    if (num >= 0)
        printf("%d is a positive number \n", num);
    else
        printf("%d is a negative number \n", num);
}

Sample Output:

Input a number :15                                                                                            
15 is a positive number  

Flowchart:

C Programming Code Editor:

#include <stdio.h>

void main()
{
    int num;
 
    printf("Input a number :");
    scanf("%d", &num);
    if (num >= 0)
        printf("%d is a positive number \n", num);
    else
        printf("%d is a negative number \n", num);
}

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