This is one of Amazon’s most commonly asked interview questions according to LeetCode (2019)! Coin Change coding solution. If you give me 10 minutes you’ll thank me if this appears during your Amazon interview! Coding Interviews Coin Change (LeetCode) question and explanation.
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This question is commonly asked by the following companies: Amazon, Google, Facebook, Microsoft, Uber, JPMorgan, CapitalOne, and VMWare.
Link to problem: https://leetcode.com/problems/coin-change/
Intuition behind solution: Build a dp array to store the fewest number of coins needed to create “i” change (i.e. dp[10] = the fewest number of coins to make 10 cents). Solve all subproblems up to the the nth problem (aka “amount” in this problem) and return the result.
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