Multiplying Integers

Learn how to solve the multiplying integers problem using binary search.

Simple multiplication algorithm

If you’re asked to multiply 2525 and 6363 and you don’t have a calculator handy, what would you do? You would probably use the multiplication algorithm you learned in elementary school, multiplying each digit from one number with each digit from the other and then adding up the products:

Level up your interview prep. Join Educative to access 70+ hands-on prep courses.