- Word Ladder
- Sum of two elements in array
- Rotate Array of Kth Position in O(n)
- Pascal’s Triangle
- Maximum subarray product
- Longest Consecutive Sequence In Array
- Best Time to Buy and Sell Stock
- Array Peak Element
- Array Triangle Path From Top to Bottom
- Find smallest different in given two arrays;
- Equal sum of two arrays
- Sort sub array
- Smallest K Elements from array (Selection Rank Algorithm)
- Shuffle Card of Desk
- Shortest Sub Array
- Generate Random Subset from Set
- Pairs with Sum
- Missing two numbers in an array
- Missing One Number In Array
- Maximum Occurrence Element in an Array
- Largest Contiguous Sum in a array
- Longest sub array of equal letters and numbers
- Count All 2s between 0 to n
- K-Smallest Elements In An Array
- Merge k sorted arrays
- Quick Sort
- Merge Sort
- Count Inversions in an array
- Array Consecutive Element Counter
- Align all zero to end of array.
- Two Sum
- Find the third maximum number in array.
- Subsets
- One Duplicate Number
- Find All Numbers Disappeared in an Array
- Minimum Size Subarray Sum
- Max Consecutive Ones
- Majority Element by ⌊ n/3 ⌋
- Insert Remove And Random in O(1)
- Duplicates in an Array in O(n)
- Combination Sum
- Array Ranges
- Product of array elements except self
- Contains Duplicate in array at most far k