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44 lines
2.2 KiB
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44 lines
2.2 KiB
HTML
<p>A transaction is possibly invalid if:</p>
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<ul>
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<li>the amount exceeds <code>$1000</code>, or;</li>
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<li>if it occurs within (and including) <code>60</code> minutes of another transaction with the <strong>same name</strong> in a <strong>different city</strong>.</li>
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</ul>
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<p>You are given an array of strings <code>transaction</code> where <code>transactions[i]</code> consists of comma-separated values representing the name, time (in minutes), amount, and city of the transaction.</p>
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<p>Return a list of <code>transactions</code> that are possibly invalid. You may return the answer in <strong>any order</strong>.</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> transactions = ["alice,20,800,mtv","alice,50,100,beijing"]
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<strong>Output:</strong> ["alice,20,800,mtv","alice,50,100,beijing"]
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<strong>Explanation:</strong> The first transaction is invalid because the second transaction occurs within a difference of 60 minutes, have the same name and is in a different city. Similarly the second one is invalid too.</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> transactions = ["alice,20,800,mtv","alice,50,1200,mtv"]
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<strong>Output:</strong> ["alice,50,1200,mtv"]
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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> transactions = ["alice,20,800,mtv","bob,50,1200,mtv"]
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<strong>Output:</strong> ["bob,50,1200,mtv"]
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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>transactions.length <= 1000</code></li>
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<li>Each <code>transactions[i]</code> takes the form <code>"{name},{time},{amount},{city}"</code></li>
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<li>Each <code>{name}</code> and <code>{city}</code> consist of lowercase English letters, and have lengths between <code>1</code> and <code>10</code>.</li>
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<li>Each <code>{time}</code> consist of digits, and represent an integer between <code>0</code> and <code>1000</code>.</li>
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<li>Each <code>{amount}</code> consist of digits, and represent an integer between <code>0</code> and <code>2000</code>.</li>
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</ul>
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