随笔分类 - HDU
摘要：Problem Description There are n stones numbered from 1 to n.The weight of the i-th stone is i kilograms. We divide the stones into k groups.Each group
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摘要：Problem Description Farmer John keeps a website called ‘FansBlog’ .Everyday , there are many people visited this blog.One day, he find the visits has
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摘要：Tom and Jerry are going on a vacation. They are now driving on a one-way road and several cars are in front of them. To be more specific, there are nn
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摘要：Avin is studying series. A series is called "wave" if the following conditions are satisfied: 1) It contains at least two elements; 2) All elements at
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摘要：度熊面前有一个全是由1构成的字符串，被称为全1序列。你可以合并任意相邻的两个1，从而形成一个新的序列。对于给定的一个全1序列，请计算根据以上方法，可以构成多少种不同的序列。Input这里包括多组测试数据，每组测试数据包含一个正整数NN，代表全1序列的长度。 1≤N≤2...
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摘要：There are another kind of Fibonacci numbers: F(0) = 7, F(1) = 11, F(n) = F(n-1) + F(n-2) (n>=2). InputInput consists of a sequence of ...
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摘要：In many applications very large integers numbers are required. Some of these applications are using keys for secure transmission of da...
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摘要：The digital root of a positive integer is found by summing the digits of the integer. If the resulting value is a single digit then th...
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摘要：A histogram is a polygon composed of a sequence of rectangles aligned at a common base line. The rectangles have equal widths but may ...
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摘要：小明对数的研究比较热爱，一谈到数，脑子里就涌现出好多数的问题，今天，小明想考考你对素数的认识。 问题是这样的：一个十进制数，如果是素数，而且它的各位数字和也是素数，则称之为“美素数”，如29，本身是素数，而且2+9 = 11也是素数，所以它是美素数。 给定一个...
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摘要：作为杭电的老师，最盼望的日子就是每月的8号了，因为这一天是发工资的日子，养家糊口就靠它了，呵呵 但是对于学校财务处的工作人员来说，这一天则是很忙碌的一天，财务处的小胡老师最近就在考虑一个问题：如果每个老师的工资额都知道，最少需要准备多少张人民币，才能在给每位老师发工资...
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摘要：The three hands of the clock are rotating every second and meeting each other many times everyday. Finally, they get bored of this and...
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摘要：The least common multiple (LCM) of a set of positive integers is the smallest positive integer which is divisible by all the numbers i...
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