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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
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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 阅读全文
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At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock the door 阅读全文
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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 阅读全文
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Description 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 occupie 阅读全文
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Description 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 阅读全文