How to escape a monster (using calculus)

It’s getting close to Halloween, here’s a monster puzzle: Imagine you are sitting in a rowing boat in the middle of circular lake. Standing on the edge of the lake is a hungry monster. The monster wants to eat you. You want to escape. You know that, if you can reach land, you can outrun the monster, but first of all, you need to row to shore. Here’s the issue: whilst you can outrun the monster on

[ockeghem]

モンスターをエスケープと聞いて期待に胸をふくらませて読んだが、普通にモンスターからエスケープする話だったw

[yoppiblog]

おもしろい