How to Solve Four Divisors Problem
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Four Divisors
Given an integer array nums, return the sum of divisors of the integers in that array that have exactly four divisors. If there is no such integer in the array, return 0.
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Understanding the Four Divisors Problem
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Problem Statement
Given an integer array nums, return the sum of divisors of the integers in that array that have exactly four divisors. If there is no such integer in the array, return 0.
Examples
# Example 1
nums = [21,4,7]
32
# Example 2
nums = [21,21]
64
# Example 3
nums = [1,2,3,4,5]
0
Constraints
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Solve Four Divisors — Given an integer array nums, return the sum of divisors of the integers in that ...
Here's the optimal approach using Array:
Time: O(n) | Space: O(n)
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