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Problem Description话说上回讲到海东集团面临内外交困，公司的元老也只剩下XHD夫妇二人了。显然，作为多年拼搏的商人，XHD不会坐以待毙的。一天，当他正在苦思冥想解困良策的时候，突然想到了自己的传家宝，那是公司成立的时候，父亲作为贺礼送来的一个锦囊，徐父当时交代，不到万不得已的时候，... 阅读全文
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Problem DescriptionHow many problems did you AC?When you read this problem, don’t hasty and careless, this is also simple, haha, I didn’t cheat you.Th... 阅读全文
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Problem DescriptionDT is a big fan of digital products. He writes posts about technological products almost everyday in his blog.But there is such few... 阅读全文
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Problem Description每天第一个到机房的人要把门打开，最后一个离开的人要把门关好。现有一堆杂乱的机房签 到、签离记录，请根据记录找出当天开门和关门的人。 Input测试输入的第一行给出记录的总天数N ( > 0 )。下面列出了N天的记录。 每天的记录在第一行给出记录的条目数M ( >... 阅读全文
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Problem DescriptionConversion between the metric and English measurement systems is relatively simple. Often, it involves either multiplying or dividi... 阅读全文
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Problem DescriptionMisspelling is an art form that students seem to excel at. Write a program that removes the nth character from an input string.Inpu... 阅读全文
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Problem Descriptionlcy gives a hard puzzle to feng5166,lwg,JGShining and Ignatius: gave a and b,how to know the a^b.everybody objects to this BT probl... 阅读全文
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Problem DescriptionPassword security is a tricky thing. Users prefer simple passwords that are easy to remember (like buddy), but such passwords are o... 阅读全文
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Problem DescriptionIn the year 8888, the Earth is ruled by the PPF Empire . As the population growing , PPF needs to find more land for the newborns .... 阅读全文