题目描述 Bruce Force\'s keyboard is broken, only a few keys are still working. Bruce has figured out he can still type texts by switching the keyboard layout whenever he needs to type a letter which
Mathman Bank Time Limit: 1000MS Memory limit: 65536K 题目描述 With the development of mathmen's mathematics knowlege, they have finally invented computers. Therefore, they want to use co
Steps Time Limit: 3000MS Memory limit: 65536K 题目描述 One steps through integer points of the straight line. The length of a step must be nonnegative and can be by one bigger than, equal t
Description Farmer John wants to repair a small length of the fence around the pasture. He measures the fence and finds that he needsN (1 ≤ N ≤ 20,000) planks of wood, each having some integer lengt