A school bought the first computer some time ago. During the recent years the school bought N-1 new computers. Each new computer was connected to one of settled...
Once in a forest, there lived N aggressive monkeys. At the beginning, they each does things in its own way and none of them knows each other. But monkeys can’t ...
Given n non-negative integers a1, a2, …, an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of line...