2015年5月14日
Set Matrix Zeroes
摘要： Given amxnmatrix, if an element is 0, set its entire row and column to 0. Do it in place.click to show follow up.Follow up:Did you use extra space?A s... 阅读全文
posted @ 2015-05-14 22:29 amazingzoe 阅读(140) 评论(0) 推荐(0)
Gray Code
摘要： The gray code is a binary numeral system where two successive values differ in only one bit.Given a non-negative integernrepresenting the total number... 阅读全文
posted @ 2015-05-14 21:52 amazingzoe 阅读(127) 评论(0) 推荐(0)