Implement a recursive function to sum up numbers between two points x, and y.

[Ludidi]

Implement a recursive function to sum up numbers between two points x, and y.

int sum(x, y){
return helper(total, x, y)
}

[abhishekm71]

If the sum needs to include both x and y then assuming y > x,

int sum( x, y ) {
  if ( x > y )
    return 0;
  else
    return y + sum( x, y - 1 );
}