SCUT_Pein

DescriptionOur Black Box represents a primitive database. It can save an integer array and has a special i variable. At the initial moment Black Box is empty and i equals 0. This Black Box processes

You are given an undirected graph with N vertexes and M edges. Every vertex in this graph has an integer value assigned to it at the beginning. You're also given a sequence of operations and you nee

In this problem, you have to maintain a dynamic set of numbers which support the two fundamental operationsINSERT(S,x): if x is not in S, insert x into S DELETE(S,x): if x is in S, delete x from S

DescriptionWind loves pretty dogs very much, and she has n pet dogs. So Jiajia has to feed the dogs every day for Wind. Jiajia loves Wind, but not the dogs, so Jiajia use a special way to feed the d