Write a C program to check wheather the given number is Postive or Negative?

#include <stdio.h>
#include <conio.h>

main()
{
        int n;
        clrscr();

        printf("Enter the value for n: ");
        scanf("%d",&n);

        if (n>0)
                printf("n is Positive.");
        else
                printf("n is Negative.");

        getch();
 }

Output:

Enter the value for n: 10
Positive

Enter the value for n: -10
Negative


Write a C program to find the biggest among two numbers?

#include <stdio.h>
#include <conio.h>

main()
{
        int a,b;
        clrscr();

        printf("Enter the values for a and b: ");
        scanf("%d" %d",&a,&b);

        if (a>b)
                printf("a is biggest.");
        else
                printf("b is biggest.");

        getch();
 }

Output:

Enter the value for a: -10
Enter the value for b: 5
b is biggest.

Enter the value for a: 5
Enter the value for b:-10
a is biggest.

Write a C program to find the smallest among two numbers?

#include <stdio.h>
#include <conio.h>

main()
{
        int a,b;
        clrscr();

        printf("Enter the values for a and b: ");
        scanf("%d" %d",&a,&b);

        if (a<b)
                printf("a is smallest.");
        else
                printf("b is smallest.");

        getch();
 }

Output:

Enter the value for a: -10
Enter the value for b: 5
a is smallest.

Enter the value for a: 5
Enter the value for b:-10
b is smallest.