问题请教

柳五随风

1. Given an array of N integers, and a value K, find two numbers in the array
that sum to K?

2. You are give a building with 50 floors and 2 elevators. Describe an efficient
algorithm for scheduling elevator stops that cannot lead to cases of starvation.
What classes would you define? What more information do you require?


我没有时间，帮朋友问问，那位有精妙的解答，在此多谢了。

谢谢了。