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[old] Pearls in the Box

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To start the game they put several black and white pearls in one of the boxes. Each robot has N moves, after which the initial set is being restored for the next game. Each turn, the robot takes a pearl out of the box and puts one of the opposite color back. The winner is the one who takes the white pearl on the Nth move.

Our robots don't like uncertainty, that's why they want to know the probability of drawing a white pearl on the Nth move. The probability is a value between 0 (0% chance or will not happen) and 1 (100% chance or will happen). The result is a float from 0 to...

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by:

oduvan

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