摘要：
Cube Stacking Description Farmer John and Betsy are playing a game with N (1 <= N <= 30,000)identical cubes labeled 1 through N. They start with N sta 阅读全文
摘要：
Navigation Nightmare Description Farmer John's pastoral neighborhood has N farms (2 <= N <= 40,000), usually numbered/labeled 1..N. A series of M (1 < 阅读全文
摘要：
Omi, Raymondo, Clay and Kimiko are on new adventure- in search of new Shen Gong Wu. But EvilBoy Genius Jack Spicer is also there. Omi and Jack found t 阅读全文
摘要：
Young naturalist Bill studies ants in school. His ants feed onplant-louses that live on apple trees. Each ant colony needsits own apple tree to feed i 阅读全文
摘要：
Assignment Problem Description Last year a terrible earthquake attacked Sichuan province. About 300,000 PLA soldiers attended the rescue, also ALPCs. 阅读全文
摘要：
A new Graph Game Problem Description An undirected graph is a graph in which the nodes are connected by undirected arcs. An undirected arc is an edge 阅读全文
摘要：
Going Home Problem Description On a grid map there are n little men and n houses. In each unit time, every little man can move one unit step, either h 阅读全文