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 / michael
hey scrubs, use a hash map
loop through array {
if(hash[x] == x] return true// is dupe
else hash.add(x,x);
}
max O(n)
| Is This Answer Correct ? | 6 Yes | 4 No |
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