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46 lines
1.8 KiB
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46 lines
1.8 KiB
HTML
<p>You are working in a ball factory where you have <code>n</code> balls numbered from <code>lowLimit</code> up to <code>highLimit</code> <strong>inclusive</strong> (i.e., <code>n == highLimit - lowLimit + 1</code>), and an infinite number of boxes numbered from <code>1</code> to <code>infinity</code>.</p>
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<p>Your job at this factory is to put each ball in the box with a number equal to the sum of digits of the ball's number. For example, the ball number <code>321</code> will be put in the box number <code>3 + 2 + 1 = 6</code> and the ball number <code>10</code> will be put in the box number <code>1 + 0 = 1</code>.</p>
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<p>Given two integers <code>lowLimit</code> and <code>highLimit</code>, return<em> the number of balls in the box with the most balls.</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> lowLimit = 1, highLimit = 10
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<strong>Output:</strong> 2
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<strong>Explanation:</strong>
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Box Number: 1 2 3 4 5 6 7 8 9 10 11 ...
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Ball Count: 2 1 1 1 1 1 1 1 1 0 0 ...
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Box 1 has the most number of balls with 2 balls.</pre>
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<p><strong>Example 2:</strong></p>
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<pre>
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<strong>Input:</strong> lowLimit = 5, highLimit = 15
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<strong>Output:</strong> 2
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<strong>Explanation:</strong>
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Box Number: 1 2 3 4 5 6 7 8 9 10 11 ...
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Ball Count: 1 1 1 1 2 2 1 1 1 0 0 ...
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Boxes 5 and 6 have the most number of balls with 2 balls in each.
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</pre>
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<p><strong>Example 3:</strong></p>
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<pre>
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<strong>Input:</strong> lowLimit = 19, highLimit = 28
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<strong>Output:</strong> 2
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<strong>Explanation:</strong>
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Box Number: 1 2 3 4 5 6 7 8 9 10 11 12 ...
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Ball Count: 0 1 1 1 1 1 1 1 1 2 0 0 ...
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Box 10 has the most number of balls with 2 balls.
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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 <= lowLimit <= highLimit <= 10<sup>5</sup></code></li>
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</ul>
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