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Given an array of size N in which every number is between 1
and N, determine if there are any duplicates in it. You are
allowed to destroy the array if you like.
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Answer Posted / anyone
If you mark places with zero, you will lose the original
value in that place which, eventually, leads to errors...
Assume an array starting as: 1-5-5-...
After first step array would be: 1-0-5-...
You will get stuck at the second step since every element
that you marked with zero will lead to the position 0.
Converting to negative makes more sense...
| Is This Answer Correct ? | 14 Yes | 9 No |
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