Pattern 1 DSA + 1 WebD - 60 mins
Given a set of computers that need to be connected to form a network:
…
Given an array of values, determine the required result under the following conditions.
Input: [4, 8, 15, 16, 23, 42]
Output: 3
Constraints: 1 ≤ n ≤ 10⁵
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1 1 -> c_from = [1], c_to = [1]
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