原创 ubuntu14.04下利用源代碼安裝配置postgresql
最近在複習數據庫基礎，於是從頭開始整理一些相關知識，爲了方便做實驗，首先就是在ubuntu14.04上安裝postgresql。以下是詳細步驟： 1、下載最新版的postgresql源碼到本地（選擇後綴爲.tar.gz的），下載地址：ht
2020-02-25 02:00:20
原创 Subsets - LeetCode 78
題目描述： Given a set of distinct integers, nums, return all possible subsets.
2020-02-25 02:00:20
原创 Reorder List - LeetCode 143
題目描述： Given a singly linked list L: L0→L1→…→Ln-1→Ln, reorder it to: L0→Ln→
2020-02-25 02:00:20
原创 Invert Binary Tree - LeetCode 226
題目描述：Invert a binary tree. 4 / \ 2 7 / \ / \ 1 3 6
2020-02-25 02:00:20
原创 Binary Tree Right Side View - LeetCode 199
題目描述： Given a binary tree, imagine yourself standing on the right side of
2020-02-25 02:00:20
原创 Sort List - LeetCode 148
題目描述 : Sort a linked list in O(n log n) time using constant space complexity.Hide Tags Linked List Sor
2018-08-26 13:02:40
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原创 Best Time to Buy and Sell Stock III - LeetCode 123
Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to fi
2018-08-26 13:02:39
原创 Perfect Squares - LeetCode 279
Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ...) whic
2018-08-26 13:02:38
原创 Path Sum II - LeetCode 113
題目描述： Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum. For exampl
2018-08-26 13:02:38
原创 Gas Station - LeetCode 134
There are N gas stations along a circular route, where the amount of gas at station i is gas[i]. You have a car
2018-08-26 13:02:37
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原创 Product of Array Except Self - LeetCode 238
Given an array of n integers where n > 1, nums, return an array output such that output[i] is equal to the prod
2018-08-26 13:02:37
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原创 Search for a Range - LeetCode 34
題目描述： Given a sorted array of integers, find the starting and ending position of a given target value.
2018-08-26 13:02:36
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原创 First Missing Positive - LeetCode 41
題目描述： Given an unsorted integer array, find the first missing positive integer. For example, Given [1,
2018-08-26 13:02:36
原创 Summary Ranges - LeetCode 228
題目描述： Given a sorted integer array without duplicates, return the summary of its ranges.For example, g
2018-08-26 13:02:36
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原创 Median of Two Sorted Arrays - LeetCode 4
題目描述: There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the
2018-08-26 13:02:36
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