People in Cubeland use cubic coins. Not only the unit of currency iscalled a cube but also the coins are shaped like cubes and their valuesare cubes. Coins with values of all cubic numbers up to 9261(= 213),i.e., coins with the denominations of 1, 8,…
Partial Tree Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5534 Description In mathematics, and more specifically in graph theory, a tree is an undirected graph in which any two nodes are connected by exactly…