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19 lines
651 B
HTML
19 lines
651 B
HTML
<p>Write a program to count the number of days between two dates.</p>
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<p>The two dates are given as strings, their format is <code>YYYY-MM-DD</code> as shown in the examples.</p>
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<p> </p>
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<p><strong>Example 1:</strong></p>
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<pre><strong>Input:</strong> date1 = "2019-06-29", date2 = "2019-06-30"
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<strong>Output:</strong> 1
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</pre><p><strong>Example 2:</strong></p>
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<pre><strong>Input:</strong> date1 = "2020-01-15", date2 = "2019-12-31"
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<strong>Output:</strong> 15
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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>The given dates are valid dates between the years <code>1971</code> and <code>2100</code>.</li>
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</ul>
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