Spaceship Defence Time Limit: 4000/2000MS (Java/Others)Memory Limit: 128000/64000KB (Java/Others) SubmitStatisticNext Problem Problem Description The enemy has invaded your spaceship, an

Driving Straight Special JudgeTime Limit: 2000/1000MS (Java/Others)Memory Limit: 128000/64000KB (Java/Others) SubmitStatisticNext Problem Problem Description       The city where Peter

E. Breaking Good time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Breaking Good is a new video game which a

A. Asphalting Roads time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output City X consists of n vertical and n hori