随笔分类 -  simply scheme

摘要：15.1(define (t num) (if(= num 0) '() (accumulate word(se (t (/(- num (remainder num 2))2)) (remainder num 2)))))15.2(... 阅读全文

摘要：14.1Keep(define (remove-once wd sent) (cond((empty? sent)'()) ((equal? wd(first sent)) (se (bf sent))) (else (se (... 阅读全文

摘要：13.13 calls ape pe e13.213.313.4n never reduce to a smaller n13.513.6I know but how to expain 阅读全文

摘要：12.1(define (addup nums) (if (empty? nums) 0 (+ (first nums)(addup (bf nums)))))12.2(define (acronym sent) (if(=(coun... 阅读全文

摘要：11.1(define (downup4 wd) (se wd (bl wd) (bl (bl wd)) (first wd) (bl (bl wd)) (bl wd) wd))11.2(defi... 阅读全文

摘要：9.1(1) #(2) 34(3) (yan etim ta lal)(4) #: expects 1 argument, given 2: 10 159.2(define second (lambda (stuff)(first(bf stuff))))(... 阅读全文

摘要：8.1(a e i o u)()0#f(16 144 0)(aioee)25(go d sunshi)8.2(keep vowel? 'birthday)(every first '(golden slumbers))(first '(golden slumbers)... 阅读全文

摘要：7.2(let ((pi 3.14159) (pie '(lemon meringue))) (se '(pi is) pi '(but pie is) pie))7.3(define (superlative adjective wd) (se (word ... 阅读全文

摘要：6.1 nowhere man,3,goes6.2 #t #f #f #t #t #t6.3 (define (sign number) (cond (( wd 13) (se (- wd 12) 'PM))))6.6 (define (teen arg) (if... 阅读全文

摘要：5.1 （1）（I me mine) (2)(is empty) (3) 1234 (4) (23 45) (5) "" (6) () (7) 6 (8) ("" "") (9) 2 5.2 (define (f1 wd1 wd2) (sentence (bf w... 阅读全文

摘要：4.1 (+ 8 (* 2 12)) 4.2 A->(B +)->(C *) 4.4 (1) two return values (2) wrong expression (3) no argument (4) less argument... 阅读全文

摘要：3.1 Translate the arithmetic expressions (3+4)×5 and 3+(4×5) into Scheme expressions, and into plumbing diagrams.（× （+ 3 4） 5） （+... 阅读全文

摘要：ExercisesUse the functions program for all these exercises.2.1 In each line of the following table we’ve left out one piece of inform... 阅读全文

摘要：话说进了大学从来没有完整地看完一本原版书，现在要努力了。simply scheme | SICP |算法导论、compilers、计算机网络、操作系统 | TAOCP 先总结这些scheme程序我用的... 阅读全文