小胡同的诗

1003 Emergency （25 分)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 roads. Amount of rescue teams ...

1013 Battle Over Cities （25 分)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 that city are closed. We ...

1012 The Best Rank （25 分)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 Li...

1011 World Cup Betting （20 分)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 battles for the World ...

1010 Radix （25 分)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 is a binary number.Now for any pai...

甲级题：1，柳婼题解2，cy题解乙级题：1，柳婼题解本人完成进度：待更…

1014 Waiting in Line (30 分)Suppose a bank has NNN 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 t...

1007 Maximum Subsequence Sum （25 分)Given a sequence of KKK integers { N1N_1N​1​​, N2N_2N​2​​, ..., NKN_KN​K​​ }. A continuous subsequence is defined to be { NiN_iN​i​​, Ni+1N_{i+1}N​i+1​​, ..., NjN_j...

1006 Sign In and Sign Out （25 分)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 door. Given the reco...

1005 Spell It Right （20 分)Given a non-negative integer NNN, your task is to compute the sum of all the digits of NNN, and output every digit of the sum in English.Input Specification:Each input fil...

1004 Counting Leaves （30 分)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 input file contains one ...

1002 A+B for Polynomials （25 分) 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 occupies 2 lines, and...

1009 Product of Polynomials （25 分)This time, you are supposed to find A×BA\times BA×B where AAA and BBB are two polynomials.Input Specification:Each input file contains one test case. Each case occ...

1008 Elevator （20 分)The highest building in our city has only one elevator. A request list is made up with NNN positive numbers. The numbers denote at which floors the elevator will stop, in specifie...

1001 A+B Format （20 分)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 than four digits).Input Specif...

1015 Reversible Primes (20 分)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 reversible prime becau...