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37 lines
1.9 KiB
HTML
<p>You are given a <strong>0-indexed</strong> 2D integer array <code><font face="monospace">transactions</font></code>, where <code>transactions[i] = [cost<sub>i</sub>, cashback<sub>i</sub>]</code>.</p>
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<p>The array describes transactions, where each transaction must be completed exactly once in <strong>some order</strong>. At any given moment, you have a certain amount of <code>money</code>. In order to complete transaction <code>i</code>, <code>money >= cost<sub>i</sub></code> must hold true. After performing a transaction, <code>money</code> becomes <code>money - cost<sub>i</sub> + cashback<sub>i</sub></code>.</p>
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<p>Return<em> the minimum amount of </em><code>money</code><em> required before any transaction so that all of the transactions can be completed <strong>regardless of the order</strong> of the transactions.</em></p>
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<p> </p>
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<p><strong>Example 1:</strong></p>
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<pre>
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<strong>Input:</strong> transactions = [[2,1],[5,0],[4,2]]
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<strong>Output:</strong> 10
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<strong>Explanation:
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</strong>Starting with money = 10, the transactions can be performed in any order.
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It can be shown that starting with money < 10 will fail to complete all transactions in some order.
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</pre>
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<p><strong>Example 2:</strong></p>
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<pre>
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<strong>Input:</strong> transactions = [[3,0],[0,3]]
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<strong>Output:</strong> 3
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<strong>Explanation:</strong>
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- If transactions are in the order [[3,0],[0,3]], the minimum money required to complete the transactions is 3.
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- If transactions are in the order [[0,3],[3,0]], the minimum money required to complete the transactions is 0.
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Thus, starting with money = 3, the transactions can be performed in any order.
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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 <= transactions.length <= 10<sup>5</sup></code></li>
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<li><code>transactions[i].length == 2</code></li>
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<li><code>0 <= cost<sub>i</sub>, cashback<sub>i</sub> <= 10<sup>9</sup></code></li>
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</ul>
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