Create 0-1 Array Problems

Update and rename 198. House Robber to 198. House Robber 213. House Robber II 337. House Robber III

Create 198. House Robber

Create 644. Maximum Average Subarray II

Create 547. Friend Circles

Create 514. Freedom Trail

Create 499. The Maze III

Create 505. The Maze II

Create 494. Target Sum

Create 491. Increasing Subsequences

Update Subset Problems and its application

Create mark visited method 1

Create 490. The Maze

Create 515. Find Largest Value in Each Tree Row

Create 488. Zuma Game