Today I came across Problem 15 from Project Euler,
Starting in the top left corner of a 2x2 grid, there are 6 routes (without backtracking) to the bottom right corner.How many routes are there through a 20x20 grid?
Today I came across Problem 15 from Project Euler,
Starting in the top left corner of a 2x2 grid, there are 6 routes (without backtracking) to the bottom right corner.How many routes are there through a 20x20 grid?