You are viewing a single comment's thread. Return to all comments →
Hint: one does not have to compute all nCr but rather consider how nCr changes as n and r changes.
Seems like cookies are disabled on this browser, please enable them to open this website
An unexpected error occurred. Please try reloading the page. If problem persists, please contact support@hackerrank.com
Project Euler #53: Combinatoric selections
You are viewing a single comment's thread. Return to all comments →
Hint: one does not have to compute all nCr but rather consider how nCr changes as n and r changes.