Solve this problem!
https://www.acmicpc.net/problem/10872
You have to make YOUR OWN DIRECTORY IN <"name">/"recursive_function"/<"problem number_problem name">.
Next, file name must like this form.
<문제번호>-<문제이름>.cpp
or
<문제번호>-<문제이름>.java
And please attach the result photo.