北京大学ACM比赛题
The game of Scrabble is played with tiles. A tile either has a single letter written on it, or it is blank. In the latter case, the tile may be used to represent a letter of your choice. On your turn, you arrange the tiles to form a word. Each tile may be used at most once, but not ...
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标签：
Scrabble
written
either
letter
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2016-04-22
上传用户：dancnc
