Veniversum的博客

描述 Little Valentine liked playing with binary trees very much. Her favorite game was constructing randomly looking binary trees with capital letters in the nodes. This is an example of one of her cr

描述 FJ is surveying his herd to find the most average cow. He wants to know how much milk this ‘median’ cow gives: half of the cows give as much or more than the median; half give as much or less.Given

描述： Construct an expanded binary tree with nexternal nodes, each external node Ki related to a weight Wi, which minimizes thesum of the external path length of leaf: Min( W1 * L1 + W