Скачать или смотреть FreqStack in C++ | LeetCode hard | Maximum Frequency Stack | Push & Pop Most Frequent

In this video, we solve the FreqStack Problem (LeetCode ) using C++.
You will learn:
✔️ How to design a stack-like data structure that returns the most frequent element
✔️ How to handle ties by returning the element closest to the stack’s top
✔️ Step-by-step explanation using hash maps and stacks grouped by frequency
✔️ Efficient C++ implementation with O(1) push and pop operations
✔️ Time and Space Complexity analysis

📌 Example Walkthrough:

push(5), push(7), push(5), push(7), push(4), push(5)

pop() → returns 5

pop() → returns 7

pop() → returns 5

pop() → returns 4

This problem is very important for coding interviews, competitive programming, and DSA practice, as it involves hash maps, stacks, and frequency management.

👉 Watch the full video to understand the complete logic and C++ code implementation.

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