问题5， Rabin-Karp算法的基本 思想是什么？ For expository purposes,let us assume that=,1,2..,so that each character is a decimal digit.(In the general case,we can assume that each charac- ter is a digit in radix-d notation,where d)We can then view a string of k consecutive characters as representing a length-k decimal number.The character string 31415 thus corresponds to the decimal number 31,415