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

摘要：1001 A+B Format (20分) Calculate a+b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unl 阅读全文