Given an array, which consist of natural numbers only. The elements are in random order, tell the first missing natural number in the array. e.g 4,6,3,1,6,8 o.p - 2 1,2,3 O/P - 4
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Given an array of natural numbers, find the first missing natural number.
Sort the array and iterate through it to find the first missing number.
Use a hash set to keep track of the numbers present in t...read more
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