摘要: "114. Flatten Binary Tree to Linked List (Medium)" "453. Flatten Binary Tree to Linked List (Easy)" 解法1: 用stack. 解法2: 递归 其实一定指向 , 所以可以省略. 简化... 阅读全文
posted @ 2015-12-28 03:49 柳正来 阅读(203) 评论(0) 推荐(0) 编辑