Could you provide an example in your problem statement? Also, as Evan says below, you should have more than one test case or it becomes a trivial matter to hard-code a particular answer.
Probably should add a couple more test cases so that silly people like me don't submit answers like this. ;)
2倍してみよう - ここからスタート！
Area of a Square
Distance walked 2D
Sorted highest to lowest?
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