yuxihong

2018年12月26日

LC 807. Max Increase to Keep City Skyline

摘要： In a 2 dimensional array grid, each value grid[i][j] represents the height of a building located there. We are allowed to increase the height of any n 阅读全文

posted @ 2018-12-26 03:11 yuxihong 阅读(114) 评论(0) 推荐(0) 编辑

LC 954. Array of Doubled Pairs

摘要： Given an array of integers A with even length, return true if and only if it is possible to reorder it such that A[2 * i + 1] = 2 * A[2 * i] for every 阅读全文

posted @ 2018-12-26 02:28 yuxihong 阅读(112) 评论(0) 推荐(0) 编辑

LC 274. H-Index

摘要： Given an array of citations (each citation is a non-negative integer) of a researcher, write a function to compute the researcher's h-index. According 阅读全文

posted @ 2018-12-26 00:25 yuxihong 阅读(105) 评论(0) 推荐(0) 编辑

2018年12月25日

LC 932. Beautiful Array

摘要： For some fixed N, an array A is beautiful if it is a permutation of the integers 1, 2, ..., N, such that: For every i < j, there is no k with i < k < 阅读全文

posted @ 2018-12-25 15:54 yuxihong 阅读(168) 评论(0) 推荐(0) 编辑

2018年12月24日

LC 833. Find And Replace in String

摘要： To some string S, we will perform some replacement operations that replace groups of letters with new ones (not necessarily the same size). Each repla 阅读全文

posted @ 2018-12-24 15:38 yuxihong 阅读(156) 评论(0) 推荐(0) 编辑

LC 562. Longest Line of Consecutive One in Matrix

摘要： Given a 01 matrix M, find the longest line of consecutive one in the matrix. The line could be horizontal, vertical, diagonal or anti-diagonal. Exampl 阅读全文

posted @ 2018-12-24 14:49 yuxihong 阅读(138) 评论(0) 推荐(0) 编辑

LC 711. Number of Distinct Islands II

摘要： Given a non-empty 2D array grid of 0's and 1's, an island is a group of 1's (representing land) connected 4-directionally (horizontal or vertical.) Yo 阅读全文

posted @ 2018-12-24 00:53 yuxihong 阅读(221) 评论(0) 推荐(0) 编辑

2018年12月23日

LC 963. Minimum Area Rectangle II

摘要： Given a set of points in the xy-plane, determine the minimum area of any rectangle formed from these points, with sides not necessarily parallel to th 阅读全文

posted @ 2018-12-23 21:48 yuxihong 阅读(416) 评论(0) 推荐(0) 编辑

LC 961. N-Repeated Element in Size 2N Array【签到题】

摘要： In a array A of size 2N, there are N+1 unique elements, and exactly one of these elements is repeated N times. Return the element repeated N times. Ex 阅读全文

posted @ 2018-12-23 19:24 yuxihong 阅读(274) 评论(0) 推荐(0) 编辑

LC 962. Maximum Width Ramp

摘要： Given an array A of integers, a ramp is a tuple (i, j) for which i < j and A[i] <= A[j]. The width of such a ramp is j - i. Find the maximum width of 阅读全文

posted @ 2018-12-23 14:11 yuxihong 阅读(392) 评论(0) 推荐(0) 编辑

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