Problem Description Consider a two-dimensional space with a set of points (xi, yi) that satisfy xi < xj and yi > yj for all i < j. We want to have them all connected by a directed tree whose edges go toward either right (x positive) or upward (y…
四边形优化DP Tree Construction Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 868 Accepted Submission(s): 470 Problem Description Consider a two-dimensional space with a set of points (xi, yi) t…