C program to check whether given number is positive or negative:

#include <stdio.h>

int main()

{

    float n;

    printf("Please enter a number\n");

    scanf("%f",&n);

    

    if (n==0)

        printf("\nEntered number is 0. It's neither positive or negative");

    else if (n<0)

        printf("\nEntered number %.2f is negative.",n);

    else

        printf("\nEntered number %.2f is positive.",n);

    return 0;

}

#include <stdio.h>

int main()

{

float n;

printf("Please enter a number\n");

scanf("%f",&n);

if (n==0)

printf("\nEntered number is 0. It's neither positive or negative");

else if (n<0)

printf("\nEntered number %.2f is negative.",n);

else

printf("\nEntered number %.2f is positive.",n);

return 0;

}

Output:

Please enter a number

-15

Entered number -15.00 is negative.

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