c随遇er安的专栏

转载自http://www.cnblogs.com/devymex/archive/2010/09/07/1818983.htmlTime limit: 3.000 seconds限时3.000秒 Problem问题A computer programmer lives in a street with houses numbered consecutively (

11121 - Base -2Time limit: 3.000 seconds The creator of the universe works in mysterious ways. Buthe uses a base ten counting system and likes round numbers.Scott A

转载自http://www.cnblogs.com/devymex/archive/2010/08/07/1799713.htmlTime limit: 3.000 seconds限时：3.000秒 Background背景Computer generated and assisted proofs and verification occupy a s

10673 - Play with Floor and CeilTime limit: 3.000 seconds TheoremFor any two integers x and k there exists two more integers p and q such that:It’s a fairly easy task to prove this theor

10791 - Minimum Sum LCMTime limit: 3.000 secondsLCM (Least Common Multiple) of a set of integers is defined as the minimum number, which is a multiple of all integers of that set. It is interestin

10006 - Carmichael NumbersTime limit: 3.000 secondsAn important topic nowadays in computer science is cryptography. Some people even think that cryptography is the only important field in comp

Problem E: MintThe Royal Canadian Mint has commissioned a new series of designer coffee tables, with legs that are constructed from stacks of coins. Each table has four legs, each of which uses a di

Problem ASend a TableInput: Standard InputOutput: Standard Output When participating in programming contests, you sometimes face the following problem: You know how to calcutale the output f

128 - Software CRCTime limit: 3.000 secondsYou work for a company which uses lots of personal computers. Your boss, Dr Penny Pincher, has wanted to link the computers together for some time bu