摘要: Question:Invert a binary tree. 4 / \ 2 7 / \ / \1 3 6 9to 4 / \ 7 2 / \ / \9 6 3 1Trivia:This problem was inspir... 阅读全文
posted @ 2015-09-26 23:13 江湖小妞 阅读(153) 评论(0) 推荐(0) 编辑