2015年5月7日
摘要: Given two integers n and k, return all possible combinations of k numbers out of 1 ... n.For example,If n = 4 and k = 2, a solution is:[ [2,4], [3,4... 阅读全文
posted @ 2015-05-07 23:45 黄瓜小肥皂 阅读(138) 评论(0) 推荐(0) 编辑