LeetCode 1636 | Sort Array by Increasing Frequency | Python Counter + Custom Sort | AlgoYogi

Welcome to AlgoYogi! 🚀 Start Your Smart Coding Prep at 👉 https://algoyogi.io We solve LeetCode 1636: Sort Array by Increasing Frequency using Python and a clean frequency plus custom sort key strategy. Rule: - Sort by frequency ascending - If frequencies tie, sort by value descending Approach: - Count occurrences with Counter - Sort nums with key = (freq[num], -num) - Return the sorted array 👉 Problem Link: https://leetcode.com/problems/sort-array-by-increasing-frequency/ --- ### ⏱ Timestamps 0:00 Introduction 0:20 Problem Statement 1:00 Counter plus Custom Sort Key 7:30 Python Code Walkthrough 12:00 Time and Space Complexity --- ### 💡 Why Watch? - Learn to combine counting with multi-criteria sorting - Simple, interview-ready pattern using Python’s sorted key - Works in O(n log n) time with concise code #LeetCode #SortByFrequency #Python #AlgoYogi #Counter #Sorting