Daily-Coding-Problem | K5kC

Implement rand7() using rand5()

Least Number of Perfect Squares that Sums to n

Paint House 2 - N houses with k colors with no two adjacent houses with same color

Serialize and Deserialize Binary Tree

Strobogrammatic Number 2 - Generate for length n

Sudoku Solver Problem

Valid Number Problem

Validate Binary Search Tree Problem

Word Break 2 - Construct a sentence

Android Unlock Patterns Problem