Subtraction of two numbers using C programming

 Subtraction Of two numbers Using C Programming

#include<stdio.h>

#include<conio.h>

void main()

{

int a,b,sub;

clrscr();

printf("Enter two numbers for subtraction\n");

scanf("%d%d,"&a,&b);

sub=a-b;

printf("subtraction=%d",sub);

getch();

}

                                      output

Enter two numbers for subtraction

30

10

subtraction=  20