摘要：Ex2.1-4Problem description:Input: two arrays lhs and rhs which store two n-bit binary numbers respectivelyOutput: one array that stores an n+1-bit bin... 阅读全文

摘要：使用Scheme的对数迭代法：#lang racket;;N是偶数：b^n = (b^(n/2))^2(define (square x) (* x x));定义乘积函数(define (fast-expt b n);筛选 (expt-iter b n 1))(define (expt-iter ... 阅读全文