12 2019 档案
摘要:Eva loves to collect coins from all over the universe, including some other planets like Mars. One day she visited a universal shopping mall which cou
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摘要:According to Wikipedia: Insertion sort iterates, consuming one input element each repetition, and growing a sorted output list. Each iteration, insert
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摘要:The task of this problem is simple: insert a sequence of distinct positive integers into a hash table, and output the positions of the input numbers.
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摘要:According to Wikipedia: Insertion sort iterates, consuming one input element each repetition, and growing a sorted output list. Each iteration, insert
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摘要:Given any permutation of the numbers {0, 1, 2,..., N−1}, it is easy to sort them in increasing order. But what if Swap(0, *) is the ONLY operation tha
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摘要:An AVL tree is a self-balancing binary search tree. In an AVL tree, the heights of the two child subtrees of any node differ by at most one; if at any
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摘要:Given three integers A, B and C in [−], you are supposed to tell whether A+B>C. Input Specification: The first line of the input gives the positive nu
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摘要:A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only nodes
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摘要:Given two sets of integers, the similarity of the sets is defined to be /, where Nc is the number of distinct common numbers shared by the two sets
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摘要:About 900 years ago, a Chinese philosopher Sima Guang wrote a history book in which he talked about people's talent and virtue. According to his theor
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摘要:Sherlock Holmes received a note with some strange strings: Let's date! 3485djDkxh4hhGE 2984akDfkkkkggEdsb s&hgsfdk d&Hyscvnm. It took him only a minut
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摘要:If a machine can save only 3 significant digits, the float numbers 12300 and 12358.9 are considered equal since they are both saved as 0 with simple c
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摘要:一般判断素数的方法是从2开始到sqrt(n)判断是否有数为n的因子 若有则说明该数是非素数 1 bool Is_Prime = true; 2 for (int i = 2; i * i < N; i++) 3 { 4 if (N % i == 0) 5 Is_Prime = false; 6 }
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摘要:Given any positive integer N, you are supposed to find all of its prime factors, and write them in the format N = p1k1×p2k2×⋯×pm
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摘要:If you are a fan of Harry Potter, you would know the world of magic has its own currency system -- as Hagrid explained it to Harry, "Seventeen silver
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摘要:Stack is one of the most fundamental data structures, which is based on the principle of Last In First Out (LIFO). The basic operations include Push (
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摘要:Forbes magazine publishes every year its list of billionaires based on the annual ranking of the world's wealthiest people. Now you are supposed to si
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摘要:Behind the scenes in the computer's memory, color is always talked about as a series of 24 bits of information for each pixel. In an image, the color
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摘要:A linked list consists of a series of structures, which are not necessarily adjacent in memory. We assume that each structure contains an integer key
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摘要:Given a non-empty tree with root R, and with weight Wi assigned to each tree node Ti. The weight of a path from R to L is defined to be the sum
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摘要:Given a stack which can keep M numbers at most. Push N numbers in the order of 1, 2, 3, ..., N and pop randomly. You are supposed to tell if a given s
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摘要:Given two strings S1 and S2, S=S1−S2 is defined to be the remaining string after taking all the characters in S2 from S1. Your task
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摘要:The task is simple: given any positive integer N, you are supposed to count the total number of 1's in the decimal form of the integers from 1 to N. F
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摘要:Eva loves to collect coins from all over the universe, including some other planets like Mars. One day she visited a universal shopping mall which cou
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摘要:Zhejiang University has 40,000 students and provides 2,500 courses. Now given the registered course list of each student, you are supposed to output t
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摘要:The task is really simple: given N exits on a highway which forms a simple cycle, you are supposed to tell the shortest distance between any pair of e
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摘要:Eva is trying to make her own color stripe out of a given one. She would like to keep only her favorite colors in her favorite order by cutting off th
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摘要:Shopping in Mars is quite a different experience. The Mars people pay by chained diamonds. Each diamond has a value (in Mars dollars M$). When making
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摘要:A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only nodes
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摘要:Shuffling is a procedure used to randomize a deck of playing cards. Because standard shuffling techniques are seen as weak, and in order to avoid "ins
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摘要:Being unique is so important to people on Mars that even their lottery is designed in a unique way. The rule of winning is simple: one bets on a numbe
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摘要:Given a string, you are supposed to output the length of the longest symmetric sub-string. For example, given Is PAT&TAP symmetric?, the longest symme
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摘要:Zhejiang University has 40000 students and provides 2500 courses. Now given the student name lists of all the courses, you are supposed to output the
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摘要:Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given { 32, 321, 3214, 0229, 87 }, we c
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摘要:The magic shop in Mars is offering some magic coupons. Each coupon has an integer N printed on it, meaning that when you use this coupon with a produc
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摘要:1036 Boys vs Girls (25分) This time you are asked to tell the difference between the lowest grade of all the male students and the highest grade of all
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摘要:To prepare for PAT, the judge sometimes has to generate random passwords for the users. The problem is that there are always some confusing passwords
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摘要: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 re
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摘要: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 gas s
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摘要: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 same s
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摘要:Given any string of N (≥) characters, you are asked to form the characters into the shape of U. For example, helloworld can be printed as: h d e l l r
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摘要: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 progra
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摘要: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 } is 1
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摘要: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 open
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摘要:Excel can sort records according to any column. Now you are supposed to imitate this function. Input Specification: Each input file contains one test
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摘要: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, wher
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摘要:Programming Ability Test (PAT) is organized by the College of Computer Science and Technology of Zhejiang University. Each test is supposed to run sim
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摘要: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 number
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