02 2018 档案
摘要：Description Farmer John wants to repair a small length of the fence around the pasture. He measures the fence and finds that he needs N (1 ≤ N ≤ 20,00
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摘要：Description A square is a 4-sided polygon whose sides have equal length and adjacent sides form 90-degree angles. It is also a polygon such that rotat
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摘要：Description Consider equations having the following form: a1x13+ a2x23+ a3x33+ a4x43+ a5x53=0 The coefficients are given integers from the interval [-
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摘要：Description Organizing a programming contest is not an easy job. To avoid making the problems too difficult, the organizer usually expect the contest
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摘要：Description Farmer John's N cows (1 ≤ N ≤ 100,000) share many similarities. In fact, FJ has been able to narrow down the list of features shared by hi
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摘要：Description You may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true. Your progra
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摘要：Description In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swapping
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摘要：Description The Genographic Project is a research partnership between IBM and The National Geographic Society that is analyzing DNA from hundreds of t
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摘要：Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used t
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摘要：The Global Aerial Research Centre has been allotted the task of building the fifth generation of mobile phone nets in Sweden. The most striking reason
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摘要：Description Bessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 500). The grid contains
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摘要：Description Stockbrokers are known to overreact to rumours. You have been contracted to develop a method of spreading disinformation amongst the stock
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摘要：Description Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to vis
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摘要：Description 年轻的探险家来到了一个印第安部落里。在那里他和酋长的女儿相爱了，于是便向酋长去求亲。酋长要他用10000个金币作为聘礼才答应把女儿嫁给他。探险家拿不出这么多金币，便请求酋长降低要求。酋长说："嗯，如果你能够替我弄到大祭司的皮袄，我可以只要8000金币。如果你能够弄来他的水晶球
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摘要：Description While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a one-
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摘要：Description Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and perf
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摘要：Description WFF 'N PROOF is a logic game played with dice. Each die has six faces representing some subset of the possible symbols K, A, N, C, E, p, q
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摘要：Accounting for Computer Machinists (ACM) has sufferred from the Y2K bug and lost some vital data for preparing annual report for MS Inc. All what they
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摘要：Current work in cryptography involves (among other things) large prime numbers and computing powers of numbers among these primes. Work in this area h
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摘要：Input The input consists of several test cases. The first line of each case contains two integers n (1<=n<=1000) and d, where n is the number of islan
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摘要：The game “The Pilots Brothers: following the stripy elephant” has a quest where a player needs to open a refrigerator. There are 16 handles on the ref
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摘要：Flip game is played on a rectangular 4x4 field with two-sided pieces placed on each of its 16 squares. One side of each piece is white and the other o
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摘要：Ignatius最近遇到一个难题,老师交给他很多单词(只有小写字母组成,不会有重复的单词出现),现在老师要他统计出以某个字符串为前缀的单词数量(单词本身也是自己的前缀). Input输入数据的第一部分是一张单词表,每行一个单词,单词的长度不超过10,它们代表的是老师交给Ignatius统计的单词,一
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