AN IMPLEMENTATION TO GET SUBSTRACTION OF TWO VALUES V& IF SUBSTRACTION IS -VE THEN GET 2'S COMLEMENT

//AN IMPLEMENTATION TO GET SUBSTRACTION OF TWO VALUES V& IF SUBSTRACTION IS -VE THEN GET 2'S COMLEMENT//

#include<stdio.h>

int main()

{

        int x,y,c=0;

        printf("ENTER THE 2 VALUES:\n");

        scanf("%d%d",&x,&y);//enter the two values

        if(x>y)

        {

                c=x-y;//get substraction ..ifx>y

                printf("c=%d",c);

        }

        else//if x<y...then -ve output will come ...whose 2's complement is taken..//

        {

                x=x-y;//x=2 y=4 x=2-4 =-2 ... ~0000 0010=1111 1101+1=0000 0010

                x=~x+1;

                printf("x=%d\n",x);

        }

        return 0;

}

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