C program to check a given number is positive or negative

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C program to check a given number is positive or negative

#include<stdio.h>

int main(){

    int num;

    scanf("%d",&num);

   

    if(num ==0)

         printf("Number is zero.");

    else if(num > 0)

printf("Number is positive.");

else

printf("Number is negative.");

    return 0;

}

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Algorithm:

A number greater than zero is called positive number while a number less than zero is called negative number. Zero is neither positive number nor negative number it at the boundary of positive number and negative number.

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