摘要:
DescriptionIn a certain course, you takentests. If you getaiout ofbiquestions correct on testi, your cumulative average is defined to be.Given your test scores and a positive integerk, determine how high you can make your cumulative average if you are allowed to drop anykof your test scores.Suppose 阅读全文
摘要:
DescriptionThe New Year garland consists of N lamps attached to a common wire that hangs down on the ends to which outermost lamps are affixed. The wire sags under the weight of lamp in a particular way: each lamp is hanging at the height that is 1 millimeter lower than the average height of the two 阅读全文
摘要:
DescriptionEvery year the cows hold an event featuring a peculiar version of hopscotch that involves carefully jumping from rock to rock in a river. The excitement takes place on a long, straight river with a rock at the start and another rock at the end, L units away from the start (1 ≤ L ≤ 1,000,0 阅读全文
摘要:
DescriptionInhabitants of the Wonderland have decided to hold a regional programming contest. The Judging Committee has volunteered and has promised to organize the most honest contest ever. It was decided to connect computers for the contestants using a "star" topology - i.e. connect them 阅读全文
摘要:
DescriptionGiven a connected undirected graph, tell if its minimum spanning tree is unique.Definition 1 (Spanning Tree): Consider a connected, undirected graph G = (V, E). A spanning tree of G is a subgraph of G, say T = (V', E'), with the following properties:1. V' = V.2. T is connected 阅读全文