- Find a specific pair in matrix
- Find shortest distance of every cell from landmine in a Maze
- Find shortest safe route in a path with landmines
- Shortest path in a Binary Maze
- Occurrences of an element in row wise and column wise sorted matrix
- Find Maximum Sum Submatrix in a given matrix
- In-place rotate the matrix by 180 degrees
- Create a matrix with alternating rectangles of O and X
- Find all rectangles filled with 0
- Common elements in all rows of a given matrix
- Find a common element in all rows of a given row-wise sorted matrix
- Collect maximum points in a matrix by satisfying given constraints
- Count Negative Numbers in a Column-Wise and Row-Wise Sorted Matrix
- Shift all Matrix Elements by 1 in Spiral Order
- Print matrix in antispiral form
- Given an n x n square matrix, find sum of all sub-squares of size k x k
- Maximum sum square sub-matrix of given size
- Print unique rows in a given boolean matrix
- Count number of paths in a matrix with given cost to reach destination cell
- Construct Ancestor Matrix from a Given Binary Tree
- Construct tree from ancestor matrix
- Collect maximum points in a grid using two traversals
- Simplify the directory path
- Populating Next Right Pointers in Each Node II
- Minimum Sum Path in a Triangle

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