摘要：
题目链接 Problem Description You are given a complete binary tree with n nodes. The root node is numbered 1, and node x's father node is ⌊x/2⌋. At the beg 阅读全文
摘要：
题目链接 Problem Description > Stormtroopers were the assault/policing troops of the Galactic Empire. Dissenting citizens referred to them as bucketheads, 阅读全文