LeetCode 507: Perfect Number | C++ Solution Explained
Problem Link: https://leetcode.com/problems/perfect...
In this video, we solve LeetCode Problem 507: Perfect Number using C++. A perfect number is a positive integer that equals the sum of its divisors (excluding the number itself). Watch the step-by-step breakdown of this optimized solution with O(√n) complexity!
🔍 Problem Statement: A perfect number is a positive integer that is equal to the sum of its positive divisors, excluding the number itself. Given an integer n, return true if n is a perfect number, otherwise return false.
📝 Example 1:
Input: 28
Output: true
Explanation: Divisors of 28 = 1, 2, 4, 7, 14. Their sum is 28.
📝 Example 2:
Input: 7
Output: false
Explanation: Divisors of 7 = 1. Their sum is 1, which is not equal to 7.
💻 Code Repository:
Find the complete code for this problem in my GitHub repository: 👉 GitHub Solution: https://github.com/rajmahto/Leetcode_...
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🏷️ Tags:
#LeetCode #C++ #PerfectNumber #Algorithms #DataStructures #CodingInterview #LeetCodeSolutions
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