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1001. A+B Format (20)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueCalculate a + b and output the sum in standard

1027. Colors in Mars (20)时间限制 400 ms内存限制 65536 kB代码长度限制 16000 B判题程序 Standard 作者 CHEN, YuePeople in Mars represent the colors in their computers in a

1028. List Sorting (25)时间限制 200 ms内存限制 65536 kB代码长度限制 16000 B判题程序 Standard 作者 CHEN, YueExcel can sort records according to any column. Now you are s

1029. Median (25)时间限制 1000 ms内存限制 65536 kB代码长度限制 16000 B判题程序 Standard 作者 CHEN, YueGiven an increasing sequence S of N integers, the median is the nu

1012. The Best Rank (25)To evaluate the performance of our first year CS majored students, we consider their grades of three courses only: C - C Programming Language, M - Mathematics (Calculus or Line...

1014. Waiting in Line (30)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 rules for the customers to wa...

1031. Hello World for U (20)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 de ll rlowoThat is...

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 sublist if they share the same suffix. For example,...

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 since it is hard to distinguish 1 (one) from l (L ...

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 exits.Input Specification:Each input file contains ...

Zhejiang University has 40000 students and provides 2500 courses. Now given the registered course list of each student, you are supposed to output the student name lists of all the courses.Input Speci...

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 could accept all kinds of coins as payments. However,...

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. For example, given N being 12, there are five 1's i...

1023. Have Fun with Numbers (20)时间限制 400 ms内存限制 65536 kB代码长度限制 16000 B判题程序 Standard 作者 CHEN, YueNotice that the number 123456789 is a 9-digit number

1019. General Palindromic Number (20)时间限制 400 ms内存限制 65536 kB代码长度限制 16000 B判题程序 Standard 作者 CHEN, YueA number that will be the same when it is writt

1017. Queueing at Bank (25)时间限制 400 ms内存限制 65536 kB代码长度限制 16000 B判题程序 Standard 作者 CHEN, YueSuppose a bank has K windows open for service. There is a

1002. A+B for Polynomials (25)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueThis time, you are supposed to find A+

1004. Counting Leaves (30)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueA family hierarchy is usually presented by a

1005. Spell It Right (20)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueGiven a non-negative integer N, your task i

1003. Emergency (25)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueAs an emergency rescue team leader of a city, yo

1006. Sign In and Sign Out (25)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueAt the beginning of every day, the fi

1007. Maximum Subsequence Sum (25)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueGiven a sequence of K integers { N

1008. Elevator (20)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueThe highest building in our city has only one ele

1010. Radix (25)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueGiven a pair of positive integers, for example, 6 an

1009. Product of Polynomials (25)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueThis time, you are supposed to find

1011. World Cup Betting (20)时间限制400 ms内存限制65536 kB代码长度限制16000 B判题程序Standard作者CHEN, YueWith the 2010 FIFA World Cup running, fo

1013. Battle Over Cities (25)时间限制 400 ms内存限制 65536 kB代码长度限制 16000 B判题程序 Standard 作者 CHEN, YueIt is vitally important to have all the cities connecte

1015. Reversible Primes (20)时间限制 400 ms内存限制 65536 kB代码长度限制 16000 B判题程序 Standard 作者 CHEN, YueA reversible prime in any number system is a prime whose

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 is simply to calculate S1 - S2 for any given strings. However, i...