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19 lines
554 B
HTML
19 lines
554 B
HTML
<p>An array contains all the integers from 0 to n, except for one number which is missing. Write code to find the missing integer. Can you do it in O(n) time?</p>
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<p><strong>Note: </strong>This problem is slightly different from the original one the book.</p>
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<p><strong>Example 1: </strong></p>
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<pre>
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<strong>Input: </strong>[3,0,1]
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<strong>Output: </strong>2</pre>
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<p> </p>
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<p><strong>Example 2: </strong></p>
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<pre>
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<strong>Input: </strong>[9,6,4,2,3,5,7,0,1]
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<strong>Output: </strong>8
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</pre>
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