Unique Paths

Unique Paths

A robot is located at the top-left corner of a m x n grid (marked ‘Start’ in the diagram below). The robot can only move either down or right at any point in time. The robot is trying to reach the bottom-right corner of the grid (marked ‘Finish’ in the diagram below). How many possible unique paths are there?

Latest Source Code:
Github: UniquePaths.java


 Unique paths by backtracking 4X4 grid: 20


Author: Hrishikesh Mishra