跟前面多项式相加解题思路一致。
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
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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 the elev
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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
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