引用https://github.com/Toblerity/Shapely/issues/190 snorfalorpagus commented on 18 Oct 2014 The point returned is the nearest point on the line to the original point. The nearest point is not necessarily an existing vertex in the LineString, and in thi…
E. Ostap and Tree time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Ostap already settled down in Rio de Janiero suburb and started to grow a tree in his garden. Recall that a tree is a conn…
Discription Ostap already settled down in Rio de Janiero suburb and started to grow a tree in his garden. Recall that a tree is a connected undirected acyclic graph. Ostap's tree now has n vertices. He wants to paint some vertices of the tree black s…
翻译者 周波 zhoubo22@hotmail.com 版权所有 Philipp Gerasimov Randima (Randy) Fernando Simon Green NVIDIA Corporation 仅以此文赠与Rita 19周岁生日快乐 Shader Model 3.0:Using Vertex Textures SM3:使用顶点纹理 随着GPU可编程特性的发展,Vertex Shader与Pixel Shader的差别越来越大.现在,Geforce6系列gpu将Vertex S…
Codeforces1110F dfs + 线段树 + 询问离线 F. Nearest Leaf Description: Let's define the Eulerian traversal of a tree (a connected undirected graph without cycles) as follows: consider a depth-first search algorithm which traverses vertices of the tree and enu…
