xuanweiace的博客

题干：A straight is a poker hand containing five cards of sequential rank, not necessarily to be the same suit. For example, a hand containing 7 club, 6 spade, 5 spade, 4 heart and 3 diamond forms a st...

题干： 小w有m条线段，编号为1到m。用这些线段覆盖数轴上的n个点，编号为1到n。第i条线段覆盖数轴上的区间是L[i]，R[i]。覆盖的区间可能会有重叠，而且不保证m条线段一定能覆盖所有n个点。现在小w不小心丢失了一条线段，请问丢失哪条线段，使数轴上没被覆盖到的点的个数尽可能少，请输出丢失的线段的编号和没被覆盖到的点的个数。如果有多条线段符合要求，请输出编号最大线段的编号（编...

题干：MonitorTime Limit: 6000/3000 MS (Java/Others)Memory Limit: 163840/163840 K (Java/Others)Total Submission(s): 872Accepted Submission(s): 145Problem DescriptionXiaoteng has a large a...

题干：Given a simple unweighted graphGG(an undirected graph containing no loops nor multiple edges) withnnnodes andmmedges. LetTTbe a spanning tree ofGG.We say that a cut inGGrespectsTTi...

题干：You are givennnsegments on a coordinate line; each endpoint of every segment has integer coordinates. Some segments can degenerate to points. Segments can intersect with each other, be nested i...