交卷后才写完,不过应该是对的,至少测试用例是对的 def search(x): dic = {} for i in range(1,x): li = [ ] li.append(x) li.append(i) print('1:',i) n=1 while(li[n]>=1): n = n+1 print('li',li) li.append(li[n-2]-li[n-1]) ...