随笔分类 -  PAT甲级真题及训练集

摘要：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 some ro 阅读全文

摘要：This time, you are supposed to find A+B where A and B are two polynomials. Input Each input file contains one test case. Each case occupies 2 lines, a 阅读全文

摘要：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 less t 阅读全文