2017年7月29日
04 Rabbits and Recurrence Relations
摘要： Problem A sequence is an ordered collection of objects (usually numbers), which are allowed to repeat. Sequences can be finite or infinite. Two exampl 阅读全文
posted @ 2017-07-29 22:01 Thinkando 阅读(401) 评论(0) 推荐(0)
03 Complementing a Strand of DNA
摘要： Problem In DNA strings, symbols 'A' and 'T' are complements of each other, as are 'C' and 'G'. The reverse complement of a DNA string ss is the string 阅读全文
posted @ 2017-07-29 13:57 Thinkando 阅读(621) 评论(0) 推荐(0)
02 Transcribing DNA into RNA
摘要： Problem An RNA string is a string formed from the alphabet containing 'A', 'C', 'G', and 'U'. Given a DNA string tt corresponding to a coding strand, 阅读全文
posted @ 2017-07-29 13:37 Thinkando 阅读(523) 评论(0) 推荐(0)
01 A Counting DNA Nucleotides
摘要： Problem A string is simply an ordered collection of symbols selected from some alphabet and formed into a word; the length of a string is the number o 阅读全文
posted @ 2017-07-29 13:33 Thinkando 阅读(621) 评论(0) 推荐(0)