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网络内容爬取、文件操作、KMP匹配 1 import java.net.MalformedURLException; 2 import java.net.URL; 3 import java.net.URLConnection; 4 import java.util.ArrayList; 5 import java.io.*; 6 import java.util.Sca... 阅读全文
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C. Fifa and Fafa time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Fifa and Fafa are sharin 阅读全文
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time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Valya and Tolya are an ideal pair, but t 阅读全文
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Vasiliy has an exam period which will continue for n days. He has to pass exams on msubjects. Subjects are numbered from 1 to m. About every day we kn 阅读全文
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勾股数公式 阅读全文
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C. Phone Numbers time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output And where the are the p 阅读全文