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Deven
38 lines
1.2 KiB
Markdown
38 lines
1.2 KiB
Markdown
<h2><a href="https://leetcode.com/problems/coin-change">322. Coin Change</a></h2><h3>Medium</h3><hr><p>You are given an integer array <code>coins</code> representing coins of different denominations and an integer <code>amount</code> representing a total amount of money.</p>
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<p>Return <em>the fewest number of coins that you need to make up that amount</em>. If that amount of money cannot be made up by any combination of the coins, return <code>-1</code>.</p>
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<p>You may assume that you have an infinite number of each kind of coin.</p>
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<p> </p>
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<p><strong class="example">Example 1:</strong></p>
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<pre>
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<strong>Input:</strong> coins = [1,2,5], amount = 11
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<strong>Output:</strong> 3
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<strong>Explanation:</strong> 11 = 5 + 5 + 1
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</pre>
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<p><strong class="example">Example 2:</strong></p>
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<pre>
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<strong>Input:</strong> coins = [2], amount = 3
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<strong>Output:</strong> -1
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</pre>
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<p><strong class="example">Example 3:</strong></p>
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<pre>
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<strong>Input:</strong> coins = [1], amount = 0
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<strong>Output:</strong> 0
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</pre>
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<p> </p>
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<p><strong>Constraints:</strong></p>
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<ul>
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<li><code>1 <= coins.length <= 12</code></li>
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<li><code>1 <= coins[i] <= 2<sup>31</sup> - 1</code></li>
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<li><code>0 <= amount <= 10<sup>4</sup></code></li>
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</ul>
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