max_kibble的博客

一 原题 B. A Leapfrog in the Array time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output Dima is a beginner program

一 原题 Electric Fence Don Piele In this problem, `lattice points' in the plane are points with integer coordinates. In order to contain his cows, Farmer John constructs a triangular electric fence

一 原题 E. Picking Strings time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Alice has a string consist