Check Point Software

Lots of questions, two interviewers involved, the whole process took more than four hours, including oral and written quizzes, the interviewers were very polite and kind but the questions were very difficult, and not enough time was given to solve t

Had 1 phone call interview with TL and then another technical interview on-site of 2 hours, with 2 interviewers They asked me 2 questions + comfort-zone system design The questions were a bit challenging and fair in a form on a built-up mini stages

You are given an array of coins with varying denominations and an integer sum representing the total amount of money; you must return the fewest coins required to make up that sum; if that sum cannot be constructed, return -1.