摘要:Given two integersnandk, return all possible combinations ofknumbers out of 1 ...n.For example,Ifn= 4 andk= 2, a solution is:[ [2,4], [3,4], [2,3],... 阅读全文
posted @ 2015-10-24 11:07 michaelzhao10 阅读(77) 评论(0) 推荐(0) 编辑