您最多选择25个主题
主题必须以字母或数字开头,可以包含连字符 (-),并且长度不得超过35个字符
123456789 |
- (define (same-parity . items)
- (define (iter items)
- (cond ((null? (cdr items)) #t)
- ((= (remainder (car items) 2) (remainder (cadr items) 2))
- (iter (cdr items)))
- (else #f)))
- (iter items))
-
- (same-parity 10 2 5)
|