摘要:
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 Specificat 阅读全文
摘要:
A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Specification: Each inp 阅读全文
摘要:
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 case occu 阅读全文