摘要：
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
posted @ 2023-07-11 15:48
正明小佐
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摘要：
A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Specification: Each inp 阅读全文
posted @ 2023-07-11 15:16
正明小佐
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