Problems # Status Problem Level Completes Likes 1 Check the completeness of given binary tree | Set 2 - Using Level Order Traversal Medium % 0 2 Breadth-First Search (BFS) in 2D Matrix/2D-Array Beginner % 0 3 Breadth-First Search in Disconnected Graph Medium % 0 4 ZigZag OR Diagonal traversal in 2d array/Matrix using queue Medium % 0 5 Find the nearest building which has bike | Find nearest specific vertex from source in a graph. Hard % 0 6 Implement Queue Using Stacks Medium % 0 7 Print The Top View of a Binary Tree Medium % 0 Check the completeness of given binary tree | Set 2 - Using Level Order Traversal Breadth-First Search (BFS) in 2D Matrix/2D-Array Breadth-First Search in Disconnected Graph ZigZag OR Diagonal traversal in 2d array/Matrix using queue Find the nearest building which has bike | Find nearest specific vertex from source in a graph. Implement Queue Using Stacks Print The Top View of a Binary Tree 1