摘要: There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity sh 阅读全文
posted @ 2017-02-25 14:57 lettuan 阅读(206) 评论(0) 推荐(0) 编辑
摘要: Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.) You have 阅读全文
posted @ 2017-02-25 03:24 lettuan 阅读(162) 评论(0) 推荐(0) 编辑