Add Two Number Using Recursion

#include <stdio.h>

#include <conio.h>

int y;

add(int m,int n)

  { if(n==0)

     return m;

    y=add(m,n-1)+1;

    return y;

  }

main()

  { int a,b,r;

    printf("enter the two numbers : ");

    scanf("%d%d",&a,&b);

    r=add(a,b);

    printf("Sum of two no :%d",r);

    return 0;

  }







OUTPUT

enter the two numbers : 3 2
Sum of two no :5