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Problem Description时间:2008年5月16日(震后第4天)地点:汶川县牛脑寨人物:羌族老奶奶【转载整理】牛脑寨是一个全村600多人的羌族寨子,震后几天,这里依然能常常听到隆隆的声音,那是对面山上石头不断滑落的声音。在完成整个突击队的抢修移动基站的任务后,我提着相机开始记录这里的受... 阅读全文
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Problem Description每学期的期末,大家都会忙于计算自己的平均成绩,这个成绩对于评奖学金是直接有关的。国外大学都是计算GPA(grade point average) 又称GPR(grade point ratio),即成绩点数与学分的加权平均值来代表一个学生的成绩的。那么如何来计算... 阅读全文
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Problem Description在美丽的HDU,有一名大三的同学,他的速度是众所周知的,跑100米仅仅用了2秒47,在他跑步过程中会留下残影的哎,大家很想知道他是谁了吧,他叫仙人球,既然名字这样了,于是他的思想是单一的,他总是喜欢从一点出发,经过3次转折(每次向右转90°),回到出发点,而且呢... 阅读全文
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Problem DescriptionYou just need to calculate the sum of the formula: 1^2+3^2+5^2+……+ n ^2.InputIn each case, there is an odd positive integer n.Outpu... 阅读全文
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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