Adding "/correct" to your submitted solution bypasses any further checking. For instance, without entering any changes, I got: http://codersumo.com/solution

Adding "/correct" to your submitted solution bypasses any further checking. For instance, without entering any changes, I got: http://codersumo.com/solutions/Id1SOh http://codersumo.com/solutions/Id1SOh [Not there yet. Your solution is not correct. Try again!] Then, going to: http://codersumo.com/solutions/Id1SOh/correct http://codersumo.com/solutions/Id1SOh/correct gives a welcome page.