
期望
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A - A Dangerous Maze(期望)
You are in a maze; seeing n doors in front of you in beginning. You can choose any door you like. The probability for choosing a door is equal for all doors.If you choose the ith door, it can either ...原创 2020-01-28 22:35:48 · 140 阅读 · 0 评论 -
B - Discovering Gold(概率期望dp)
You are in a cave, a long cave! The cave can be represented by a 1 x N grid. Each cell of the cave can contain any amount of gold.Initially you are in position 1. Now each turn you throw a perfect 6 ...原创 2020-01-23 22:06:47 · 168 阅读 · 0 评论