灰瞳六分仪

摘要： 题目描述： 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 English. Input Spec 阅读全文

摘要： 问题描述： Calculate a+b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are le 阅读全文

摘要： 题目描述： A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Specification: Ea 阅读全文

摘要： 问题描述： This time, you are supposed to find A+B where A and B are two polynomials. Input Specification: Each input file contains one test case. Each cas 阅读全文

摘要： 问题描述 As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by so 阅读全文