Saturday, December 10, 2011
A robot is moving in a rectangular board
It can move either down or right and the board is N x M. How many path does the robot have?
Solution:
Steps are N+M and we can chose N, so ( N+M N) is the binomial factor we are looking for.
Solution:
Steps are N+M and we can chose N, so ( N+M N) is the binomial factor we are looking for.
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