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- Rank of Matrix
- Nearly Sorted Algorithm
- QuickSort on Doubly Linked List
- Interleaved Strings
- Multiply two strings
- Minimum Swaps to Sort
- Peak element
- Occurences of 2 as a digit
- Smallest Positive Missing
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Kadane's Algorithm
- Count Inversions
- Subarrays with equal 1s and 0s
- Kth smallest element
- Minimum number of jumps
- Longest Common Subsequence
- Equal Sum Partition
- Sort according to an Array
- Maximum Index
- Consecutive 1's not allowed
- Sum of bit differences
- Form the Largest Number
- Form a palindrome
- Rotate a Matrix
- Number of pairs
- Minimize the Heights II
- Bleak Numbers
- Largest prime factor
- Coin Change (Count Ways)
- Dyck Path
- nCr
- Number of ways
- Count Integral Points
- Maximum path sum in matrix
- Prime Pair with Target Sum
- Return two prime numbers
- Fraction to Repeating Decimal
- Reorder List
- Binary Tree to DLL
- AVL Tree Deletion
- Trapping Rain Water
- Histogram Max Rectangular Area
- Merge Without Extra Space
- Largest rectangle of 1s with swapping of columns allowed
- Edit Distance
- Stock Buy and Sell – Max K Transactions Allowed
- Bit Difference
- Longest valid Parentheses
- Longest Zig-Zag Sub Sequence
- Travelling Salesman Problem