[CareerCup] 9.2 Robot Moving 机器人移动 - Grandyang - 博客园



[CareerCup] 9.2 Robot Moving 机器人移动 - Grandyang - 博客园

[CareerCup] 9.2 Robot Moving 机器人移动

 

9.2 Imagine a robot sitting on the upper left corner of an X by Y grid. The robot can only move in two directions: right and down. How many possible paths are there for the robot to go from (0,0) to (X,Y)?
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 Imagine certain spots are "off limits," such that the robot cannot step on them. Design an algorithm to find a path for the robot from the top left to the bottom right.


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