junior19的博客

Nearest Common Ancestors Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 27907   Accepted: 14302 Description A rooted tree is a well-known data structure i

Distance Queries Time Limit: 2000MS   Memory Limit: 30000K Total Submissions: 13490   Accepted: 4779 Case Time Limit: 1000MS Description Farmer John's cows refused

AR2015PC - Terrorists no tags  Terrorists! There are terrorists everywhere!!! I was shouting out loud after I had watched a few news reports about terrorism acts that had happened around

D. Misha, Grisha and Underground time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Misha and Grisha are funny

在一场战争中，战场由n个岛屿和n-1个桥梁组成，保证每两个岛屿间有且仅有一条路径可达。现在，我军已经侦查到敌军的总部在编号为1的岛屿，而且他们已经没有足够多的能源维系战斗，我军胜利在望。已知在其他k个岛屿上有丰富能源，为了防止敌军获取能源，我军的任务是炸毁一些桥梁，使得敌军不能到达任何能源丰富的岛屿。由于不同桥梁的材质和结构不同，所以炸毁不同的桥梁有不同的代价，我军希望在满足目标的同时使得总代价最

J. Jakanda Forevertime limit per test2.0 smemory limit per test256 MBinputstandard inputoutputstandard outputIn East Hackerland, there is a country called Jakanda which possesses highly advanced techn...