Basic C Programming

Add two numbers

#include <stdio.h>
#include <conio.h>
void main ( )
{
        int a,b,c;
        clrscr ( );
                     
        printf ("\n\n\n\t\t Enter 1st number...:"); scanf ("%d",&a);
        printf ("\n\n\t\t Enter 2nd number...:"); scanf ("%d",&b);
                       
        c = a + b;
                             
        printf ("\n\n\t\t The Sum is....: %d", c);
        getch ( );
}

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Sum and Average of three numbers

#include <stdio.h>

#include <conio.h>

void main( )

{

       int a,b,c,d=0,e;

       clrscr ( );

         

       printf ("\n Enter 1st number: -"); scanf ("%d",&a);

       printf ("\n Enter 2nd number: -"); scanf ("%d",&b);

       printf ("\n Enter 3rd number: -"); scanf ("%d",&c);

            

       d = a + b + c;

       e = d/3;

                

       printf ("\n The Sum is: - %d", d);

       printf ("\n The Average is: - %d", e);

       getch ( );

}

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