输入一条字符串（由A、T、G、C构成）表式DNA的一条链，输出DNA中与之对应的另外一条链对应mRNA的结构(字符串表示)由mRNA控制合成的蛋白质的氨基酸序列-Enter a string (the A, T, G, C form) form a type of DNA chain, the output of the other DNA in the corresponding mRNA corresponding to the structure of a chain (string re

KMP字符串匹配算法，对字符串进行预处理，复杂度为O(m+n)-KMP string matching algorithm, the string preprocessing complexity is O (m+n)