- Level Order Traversal
- Reverse Level Order Traversal
- Height of Binary Tree
- Diameter of Binary Tree
- Invert Binary Tree
- Left View of Binary Tree
- Right View of Binary Tree
- Activity Selection Problem
- Job Sequencing Problem
- Huffman Coding
- Water Connection Problem
- Fractional Knapsack Problem
- Maximum Train for which stoppage can be provided
- Buy Maximum Stocks if i stocks can be brought on ith day
- Shop in Candy Store
- Minimum Cash Flow among a given set of friends who have borrowed money from each other
- Minimum Cost to Cut Board into Squares
- Check if it is possible to survive on a island
- Find Max meeting in a room