摘要：
1005. Spell It Right (20)Given a non-negative integer N, your task is to compute the sum of all the digits of N, and output every digit of the sum in ... 阅读全文
摘要：
http://www.patest.cn/contests/pat-a-practise/10041004. Counting Leaves (30)A family hierarchy is usually presented by a pedigree tree. Your job is to ... 阅读全文