摘要: Given an array arr. You can choose a set of integers and remove all the occurrences of these integers in the array. Return the minimum size of the set 阅读全文
posted @ 2020-02-03 08:26 Schwifty 阅读(331) 评论(0) 推荐(0)
摘要: Given a m * n matrix mat of ones (representing soldiers) and zeros (representing civilians), return the indexes of the k weakest rows in the matrix or 阅读全文
posted @ 2020-02-03 06:10 Schwifty 阅读(326) 评论(0) 推荐(0)