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leetcode 177,178
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‎lcof/面试题03. 数组中重复的数字/README.md

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if num == nums[num]:
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return num
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nums[i], nums[num] = nums[num], nums[i]
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num = nums[i]
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return -1
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```
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### **Java**
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```
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```
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<!-- tabs:end -->
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‎lcof/面试题03. 数组中重复的数字/Solution.py

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if num == nums[num]:
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return num
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nums[i], nums[num] = nums[num], nums[i]
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num = nums[i]
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return -1

‎solution/0100-0199/0175.Combine Two Tables/README.md

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### **Python3**
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<!-- 这里可写当前语言的特殊实现逻辑 -->
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### **SQL**
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```python
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```
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### **Java**
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```java
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### **...**
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```
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select p.FirstName, p.LastName, a.City, a.State from Person p left join Address a on p.PersonId = a.PersonId;
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```
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‎solution/0100-0199/0175.Combine Two Tables/README_EN.md

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## Solutions
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### **Python3**
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```python
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### **SQL**
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```
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```
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select p.FirstName, p.LastName, a.City, a.State from Person p left join Address a on p.PersonId = a.PersonId;
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‎solution/0100-0199/0176.Second Highest Salary/README.md

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### **Python3**
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### **SQL**
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### **Java**
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### **sql**
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```
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select (select distinct Salary from Employee order by Salary desc limit 1 offset 1) as
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SecondHighestSalary;

‎solution/0100-0199/0176.Second Highest Salary/README_EN.md

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### **Python3**
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### **SQL**
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```python
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```
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select (select distinct Salary from Employee order by Salary desc limit 1 offset 1) as
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SecondHighestSalary;

‎solution/0100-0199/0177.Nth Highest Salary/README.md

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### **sql**
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```
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CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT
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BEGIN

‎solution/0100-0199/0177.Nth Highest Salary/README_EN.md

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CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT
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‎solution/0100-0199/0178.Rank Scores/README.md

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select
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Score,
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‎solution/0100-0199/0178.Rank Scores/README_EN.md

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‎solution/0100-0199/0180.Consecutive Numbers/README.md

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‎solution/0100-0199/0180.Consecutive Numbers/README_EN.md

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‎solution/0100-0199/0181.Employees Earning More Than Their Managers/README.md

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‎solution/0100-0199/0181.Employees Earning More Than Their Managers/README_EN.md

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‎solution/0100-0199/0182.Duplicate Emails/README.md

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‎solution/0100-0199/0182.Duplicate Emails/README_EN.md

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‎solution/0100-0199/0183.Customers Who Never Order/README.md

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‎solution/0100-0199/0183.Customers Who Never Order/README_EN.md

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