PTA | 1009 Product of Polynomials 1009 Product of Polynomials 作者 CHEN, Yue 单位 浙江大学 This time, you are supposed to find A×B where A and B are two polynomials. Input Specification: Each input file

PTA | 1008 Elevator 1008 Elevator 作者 CHEN, Yue 单位 浙江大学 The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors