- Kth number with only prime factors of 3, 5 and 7.
- Tic Tac Game Winner Finder
- Find smallest different in given two arrays;
- Orientation of 3 ordered points
- Longest Word Made of Other Words
- Kth smallest element in the union of two sorted arrays
- Pond Size
- Langton’s Ant Problem
- Rotate Matrix By 90 Degree