2011年1月16日

POJ 1154 LETTERS DFS+回溯
摘要： http://poj.org/problem?id=1154第一次使用回溯+DFS，学习LETTERSTime Limit:1000MSMemory Limit:10000KDescriptionA single-player game is played on a rectangular board divided in R rows and C columns. There is a single uppercase letter (A-Z) written in every position in the board.Before the begging of the game ther 阅读全文
posted @ 2011-01-16 22:05 yming0221 阅读(190) 评论(0) 推荐(0)

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