no of paths from A to B - Greece Juniors 1989 p3
Source:
September 14, 2024
combinatoricscombinatorial geometry
Problem Statement
How many paths are there from to that consist of horizontal segments and vertical segments of length each? (see figure)
https://cdn.artofproblemsolving.com/attachments/4/2/5b476ca2a232fc67fb2e2f6bb06111cab60692.png