Interview questions
Find a company or topic. Read the sources, then practice.
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Find a company or topic. Read the sources, then practice.
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Given coin denominations available in unlimited quantity and a target amount, find the minimum number of coins needed to form that amount (return -1 if…
Companies: Amazon, Google, Pinterest, Uber
Array · Breadth-First Search · Complete Knapsack · Dynamic Programming
Last reported Oct 2026