177. Nth Highest Salary
Description
Table: Employee
+-------------+------+ | Column Name | Type | +-------------+------+ | id | int | | salary | int | +-------------+------+ id is the primary key (column with unique values) for this table. Each row of this table contains information about the salary of an employee.
Write a solution to find the nth
highest salary from the Employee
table. If there is no nth
highest salary, return null
.
The result format is in the following example.
Example 1:
Input: Employee table: +----+--------+ | id | salary | +----+--------+ | 1 | 100 | | 2 | 200 | | 3 | 300 | +----+--------+ n = 2 Output: +------------------------+ | getNthHighestSalary(2) | +------------------------+ | 200 | +------------------------+
Example 2:
Input: Employee table: +----+--------+ | id | salary | +----+--------+ | 1 | 100 | +----+--------+ n = 2 Output: +------------------------+ | getNthHighestSalary(2) | +------------------------+ | null | +------------------------+
Solutions
Solution 1
1 2 3 4 5 6 7 8 9 10 |
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1 2 3 4 5 6 7 8 9 10 11 12 13 |
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