Deribs4

2017年3月25日

摘要： Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr 阅读全文

posted @ 2017-03-25 13:13 Deribs4 阅读(137) 评论(0) 推荐(0)

2017年3月24日

Leetcode 220. Contains Duplicate III

摘要： Given an array of integers, find out whether there are two distinct indices i and j in the array such that the absolute difference between nums[i] and 阅读全文

posted @ 2017-03-24 14:22 Deribs4 阅读(675) 评论(0) 推荐(0)

2017年3月23日

Leetcode 530. Minimum Absolute Difference in BST

摘要： Given a binary search tree with non-negative values, find the minimum absolute difference between values of any two nodes. Example: Note: There are at 阅读全文

posted @ 2017-03-23 23:06 Deribs4 阅读(447) 评论(0) 推荐(0)

Leetcode 532. K-diff Pairs in an Array

摘要： Given an array of integers and an integer k, you need to find the number of unique k-diff pairs in the array. Here a k-diff pair is defined as an inte 阅读全文

posted @ 2017-03-23 16:40 Deribs4 阅读(1132) 评论(0) 推荐(0)

2017年3月22日

Leetcode 31. Next Permutation

摘要： Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such arrangement is not possib 阅读全文

posted @ 2017-03-22 21:51 Deribs4 阅读(183) 评论(0) 推荐(0)

Leetcode 60. Permutation Sequence

摘要： The set [1,2,3,…,n] contains a total of n! unique permutations. By listing and labeling all of the permutations in order,We get the following sequence 阅读全文

posted @ 2017-03-22 21:51 Deribs4 阅读(173) 评论(0) 推荐(0)

Leetcode 407. Trapping Rain Water II

摘要： Given an m x n matrix of positive integers representing the height of each unit cell in a 2D elevation map, compute the volume of water it is able to 阅读全文

posted @ 2017-03-22 21:50 Deribs4 阅读(239) 评论(0) 推荐(0)

2017年3月20日

Leetcode 42. Trapping Rain Water

摘要： Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining. 阅读全文

posted @ 2017-03-20 20:03 Deribs4 阅读(123) 评论(0) 推荐(0)

Leetcode 11. Container With Most Water

摘要： Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpo 阅读全文

posted @ 2017-03-20 15:48 Deribs4 阅读(157) 评论(0) 推荐(0)

2017年2月5日

矩阵与向量求导法则

摘要：参考：http://www.cnblogs.com/huashiyiqike/p/3568922.html 阅读全文

posted @ 2017-02-05 10:17 Deribs4 阅读(471) 评论(0) 推荐(0)

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