Question 1. Contains Duplicate
Question 2. Missing number in array
Question 3. Sort an array of 0s, 1s and 2s
Question 4. Find Transition Point
Question 5. Minimum distance between two numbers
Question 6. First Repeating Element
Question 7. Search in Rotated Sorted Array
Question 8. Find minimum in rotated sorted array
Question 9. Alternate positive and negative numbers
Question 10. Leaders in an array
Question 11. Remove Prefix
Question 1. Kth smallest element
Question 2. Majority Element
Question 3. K-th element of two sorted Arrays
Question 4. Product of Array Except Self
Question 5. Nearly sorted
Question 6. Best Time to Buy and Sell Stock
Question 7. Find Missing And Repeating
Question 8. Maximum Product Subarray
Question 9. Count pairs with given sum
Question 10. Overlapping Intervals
Question 11. Count Inversions
Question 12. Largest Number formed from an Array
Question 13. Smallest Positive missing number
Question 14. Sorting Elements of an Array by Frequency
Question 1. Median of 2 Sorted Arrays of Different Sizes
Question 2. Smallest Positive Integer that can not be represented as Sum