- Merge Sorted Array
- Majority Element
- Contains Duplicate
- Missing Number
- Intersection of Two Arrays
- Intersection of Two Arrays II
- Third Maximum Number
- Assign Cookies
- Array Partition I
- Maximum Product of Three Numbers
- Sort Array By Parity
- Sort Array By Parity II
- Largest Perimeter Triangle
- Squares of a Sorted Array
- Matrix Cells in Distance Order
- Height Checker
- Relative Sort Array
- Minimum Absolute Difference
- Rank Transform of an Array
- Sort Integers by The Number of 1 Bits
- How Many Numbers Are Smaller Than the Current Number
- Maximum Product of Two Elements in an Array
- Average Salary Excluding the Minimum and Maximum Salary
- Make Two Arrays Equal by Reversing Sub-arrays
- Can Make Arithmetic Progression From Sequence
- Sort Array by Increasing Frequency
- Special Array With X Elements Greater Than or Equal X
- Find all numbers disappeared in an array
- Set Mismatch
- 2Sum