小田坎儿

Description As the owner of a computer forensics company, you have just been given the following note by a new client:  I, Albert Charles Montgomery, have just discovered the most amazing cypher

Wow! Such String! Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 137    Accepted Submission(s): 42 Special Judge Problem Description

题目： Description The Antique Comedians of Malidinesia prefer comedies to tragedies. Unfortunately, most of the ancient plays are tragedies. Therefore the dramatic advisor of ACM has decided t

Description A cellular automaton is a collection of cells on a grid of specified shape that evolves through a number of discrete time steps according to a set of rules that describe the new state

Description Given a n × n matrix A and a positive integer k, find the sum S = A + A2 + A3 + … + Ak. Input The input contains exactly one test case. The first line of input contains three

Description Everybody knows that the Yekaterinozavodsk Shipyard constructs the best yachts in the world. They are so popular that when a manufacturer becomes a billionaire, he comes to the shipya

Description Lich Sandro declared war to the King of Hell, and now hordes of demons are fighting fiercely against Sandro's army of the undead. Sandro has mastered the Magic of Fire, but the creatu

Description School principal introduced a new system of duties to maintain order in all classrooms. Each student is assigned one classroom he is responsible for. Each day two students responsible

Description Have you ever wondered why normally an year has 365 days, not 400 days? Why August have 31 days, but February have only 28 days? Why there are 7 days, not 6 days, in a week? Do peop

A. Laptops time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output One day Dima and Alex had an argument about the p