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38. Count and Say The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ... 1 is read off as "one 1" or 阅读全文
posted @ 2016-09-09 10:59
花椰菜菜菜菜
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36. Valid Sudoku Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules. The Sudoku board could be partially filled, where empty cel 阅读全文
posted @ 2016-09-09 09:43
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