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PAT 1019. General Palindromic Number A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For exa 阅读全文
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PAT 1018. Public Bike Management There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the wo 阅读全文
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PAT 1017. Queueing at Bank Suppose a bank has K windows open for service. There is a yellow line in front of the windows which devides the waiting are 阅读全文