☆─────────────────────────────────────☆
stephenli (Steve) 于 (Tue Oct 6 20:35:28 2009, 美东) 提到:
今天去面了个很小的trading firm
1. a fair coin is flipped until the first time one of the following two
patterns appeared: TTH HTH
ask: which one you should choose for a better chance to win
2) each button of the cell phone is associated with multiple letters.
Suppose you click key 1 three times: you got only one matched word: cab
implement this functionality of cell phone in any way you like.
还有copy constr