摘要:        
InputThe first line of input consists of an integers T where 1≤T≤1000, the number of test cases. Then follow T lines, each containing four integers a,    阅读全文
posted @ 2017-04-28 17:51
Asimple
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摘要:        
Freddy practices various kinds of alternative medicine, such as homeopathy. This practice is based on the belief that successively diluting some subst    阅读全文
posted @ 2017-04-28 11:06
Asimple
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