I applied online. I interviewed at American Express
Interview
Got an email in a few days, after applying online. Had a MCQ part and a coding part. MCQ was pretty easy but the coding part involved testcases with errors in input.
Interview questions [1]
Question 1
Given a value V, if we want to make change for V cents, and we have infinite supply of each of C = { C1, C2, .. , Cm} valued coins, what is the minimum number of coins to make the change?