computer-science/

Algorithms, data structures and the theory every language shares.

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computer-science/coin-change-why-grabbing-the-biggest-coin-first-can-fail-and-how-a-tab.md Coin change: why grabbing the biggest coin first can fail, and how a table fixes it A cashier owes 6 cents and has coins worth 1, 3 and 4. Grabbing the biggest coin first uses three coins, but two 3s do it in two. This… 4 min read · 2 Nov