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Two Glass Ball problem: I am in a 100-story building. I have with me two glass balls. I know that if I throw the ball out of the window, it will not break if the floor number is less than X, and it will always breaks if the floor number is equal to or greater than X. Assuming that I can reuse the balls which don't break, find X in the minimum number of throws.
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Graduate Trader

Interviewed at Vivienne Court

4.2
Jun 10, 2022

Two Glass Ball problem: I am in a 100-story building. I have with me two glass balls. I know that if I throw the ball out of the window, it will not break if the floor number is less than X, and it will always breaks if the floor number is equal to or greater than X. Assuming that I can reuse the balls which don't break, find X in the minimum number of throws.

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