题目描述：
Given a list of non negative integers, arrange them such that they form the largest number.
For example, given [3, 30, 34, 5, 9], the largest formed number is 9534330.
Note: The result may be very large, so you ...
标签归档：leetcode
[LeetCode]Largest Number
[LeetCode]Second Highest Salary
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LeetCode.
题目描述：
Write a SQL query to get the second highest salary from the Employee table.
+----+--------+ | Id | Salary | +----+--------+ | 1 | 100 | | 2 | 200 | | 3 | 300 | +----+--------+
For example, given the above Employee table, the second highest salary is 200. If there is no ...
[LeetCode]Combine Two Tables
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LeetCode.
LeetCode在原有的算法（Algorithm）题目分类基础之上，推出了全新的数据库（Database）题目分类，旨在帮助开发者提高数据库的开发技能。
Database分类下的第一题叫做Combine Two Tables，非常简单，大家可以拿来练手。只需将SQL语句填写在答题区即可。
题目描述：
Table: Person
+-------------+---------+ | Column Name | Type | +-------------+---------+ | PersonId | int | | FirstName | varchar | | LastName | varchar | +-------------+---------+
PersonId is the primary key column for this table.
Table: Address
+-------------+---------+ | Column Name | Type | +-------------+---------+ | AddressId ...
[LeetCode]LRU Cache
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LeetCode.
题目描述：
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set.
get(key) - Get the value (will always be positive) of the key if the key exists in the ...
[LeetCode]Dungeon Game
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LeetCode.
题目描述：
The demons had captured the princess (P) and imprisoned her in the bottom-right corner of a dungeon. The dungeon consists of M x N rooms laid out in a 2D grid. Our valiant knight (K) was initially positioned in ...