Tree Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 12276 Accepted: 3886 Description Give a tree with n vertices,each edge has a length(positive integer less than 1001). Define dist(u,v)=The min distance between node u and v. Give an
D. Distance in Tree time limit per test 3 seconds memory limit per test 512 megabytes input standard input output standard output A tree is a connected graph that doesn't contain any cycles. The distance between two vertices of a tree is the length (
SELECT ISNULL((2 * 6378.137 * ASIN(SQRT(POWER(SIN((117.223372- ISNULL(Latitude,0) )*PI()/360),2)+COS(117.223372*PI()/180)*COS(117.223372*PI()/180)*POWER(SIN((117.223372- ISNULL(Longitude,0) )*PI()/360),2)))),0) AS Distance FROM RequirementOrder r