In the following program we are checking whether the input integer number is positive or negative. If the input number is greater than zero then its positive else 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.
/* Description: A program to check whether the input * integer number is positive or negative. * Written by: Chaitanya Singh * Published on: beginnersbook.com */ #include <stdio.h> void main() { int num; printf("Enter a number: \n"); scanf("%d", &num); if (num > 0) printf("%d is a positive number \n", num); else if (num < 0) printf("%d is a negative number \n", num); else printf("0 is neither positive nor negative"); }
Output 1:
Enter a number: 0 0 is neither positive nor negative
Output 2:
Enter a number: -3 -3 is a negative number
Output 3:
Enter a number: 100 100 is a positive number
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