摘要: All DNA is composed of a series of nucleotides abbreviated as A, C, G, and T, for example: "ACGAATTCCG". When studying DNA, it is sometimes useful to 阅读全文
posted @ 2016-07-31 12:46 北叶青藤 阅读(243) 评论(0) 推荐(0) 编辑
摘要: Reverse bits of a given 32 bits unsigned integer. For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), retur 阅读全文
posted @ 2016-07-31 11:50 北叶青藤 阅读(157) 评论(0) 推荐(0) 编辑
摘要: Count the number of prime numbers less than a non-negative number, n 阅读全文
posted @ 2016-07-31 11:27 北叶青藤 阅读(162) 评论(0) 推荐(0) 编辑