摘要: Given an indexk, return thekthrow of the Pascal's triangle.For example, givenk= 3,Return[1,3,3,1].Note:Could you optimize your algorithm to use onlyO(... 阅读全文
posted @ 2014-10-21 18:00 birdhack 阅读(132) 评论(0) 推荐(0) 编辑