05 2020 档案
摘要：题目 One way that the police finds the head of a gang is to check people's phone calls. If there is a phone call between A and B, we say that A and B is
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摘要：题目 With highways available, driving a car from Hangzhou to any other city is easy. But since the tank capacity of a car is limited, we have to find ga
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摘要：题目 To store English words, one method is to use linked lists and store a word letter by letter. To save some space, we may let the words share the sam
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摘要：题目 Given any string of N (≥5) characters, you are asked to form the characters into the shape of U. For example, helloworld can be printed as: h d e l
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摘要：题目 A traveler's map gives the distances between cities along the highways, together with the cost of each highway. Now you are supposed to write a pro
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摘要：题目 Given an increasing sequence S of N integers, the median is the number at the middle position. For example, the median of S1 = { 11, 12, 13, 14 } i
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摘要：题目 A long distance telephone company charges its customers by the following rules: Making a long distance call costs a certain amount per minute, depe
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摘要：题目 A reversible prime in any number system is a prime whose "reverse" in that number system is also a prime. For example in the decimal system 73 is a
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摘要：题目 To evaluate the performance of our first year CS majored students, we consider their grades of three courses only: C C Programming Language, M Math
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摘要：题目 With the 2010 FIFA World Cup running, football fans the world over were becoming increasingly excited as the best players from the best teams doing
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摘要：题目 Given a pair of positive integers, for example, 6 and 110, can this equation 6 = 110 be true? The answer is yes, if 6 is a decimal number and 110 i
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摘要：题目 This time, you are supposed to find A×B where A and B are two polynomials. Input Specification: Each input file contains one test case. Each case o
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摘要：题目 The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the e
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摘要：题目 Given a sequence of K integers { N1 , N2 , ..., NK }. A continuous subsequence is defined to be { Ni , Ni+1 , ..., Nj } where 1≤i≤
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摘要：题目 Excel can sort records according to any column. Now you are supposed to imitate this function. Input Specification: Each input file contains one te
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摘要：题目 At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock the d
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摘要：题目 Given a non negative integer N, your task is to compute the sum of all the digits of N, and output every digit of the sum in English. Input Specifi
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摘要：题目 A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Specification: Each
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摘要：题目 As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some
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摘要：题目 This time, you are supposed to find A+B where A and B are two polynomials. Input Specification: Each input file contains one test case. Each case o
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摘要：题目 Calculate a+b and output the sum in standard format that is, the digits must be separated into groups of three by commas (unless there are less tha
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摘要：题目 People in Mars represent the colors in their computers in a similar way as the Earth people. That is, a color is represented by a 6 digit number, w
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摘要：题目 A table tennis club has N tables available to the public. The tables are numbered from 1 to N. For any pair of players, if there are some tables op
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摘要：题目 Programming Ability Test (PAT) is organized by the College of Computer Science and Technology of Zhejiang University. Each test is supposed to run
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摘要：题目 A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic num
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摘要：题目 Notice that the number 123456789 is a 9 digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 2469
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摘要：题目 A Digital Library contains millions of books, stored according to their titles, authors, key words of their abstracts, publishers, and published ye
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摘要：题目 It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/toward tha
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摘要：题目 A graph which is connected and acyclic can be considered a tree. The height of the tree depends on the selected root. Now you are supposed to find
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摘要：题目 Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to
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摘要：题目 A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a palindromic num
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摘要：题目 There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world. One may rent a bike at an
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摘要：题目 Suppose a bank has K windows open for service. There is a yellow line in front of the windows which devides the waiting area into two parts. All th
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摘要：题目 Suppose a bank has N windows open for service. There is a yellow line in front of the windows which devides the waiting area into two parts. The ru
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