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... Heap data structure basics ✓ Heap operations and interview concepts Understanding memory behavior and data structures is ...

In this video, we solve LeetCode 3516 – Find Closest Person using a clean and efficient approach in Java. This problem is a great ...

In this video, we solve LeetCode 1748 – Sum of Unique Elements using a clean and efficient HashMap / frequency-count ...

In this video, we solve LeetCode 744 – Find Smallest Letter Greater Than Target using an efficient and interview-ready approach ...

... representation of Data Structures (e.g., showing a list of fruits), Scope Variables, and Memory/Pointers with specific addresses.

In this video, we solve LeetCode 1317 – Convert Integer to the Sum of Two No-Zero Integers using a clean and efficient approach ...

In this video, we solve LeetCode 168 – Excel Sheet Column Title using a clean and interview-ready approach in Java.

In this video, we solve LeetCode 680 – Valid Palindrome II using an efficient Two Pointer approach in Java. This problem is an ...

In this video, we solve LeetCode 367 – Valid Perfect Square using an efficient and interview-ready approach in Java.

In this video, we solve LeetCode 1518 – Water Bottles using a simple and efficient approach in Java. This problem is a great ...

In this video, we solve LeetCode 11 – Container With Most Water using an efficient and interview-ready Two Pointer approach in ...

In this video, we solve LeetCode 125 – Valid Palindrome using an efficient Two Pointer approach in Java. This problem is a ...

In this video, we solve LeetCode 3541 – Find Most Frequent Vowel and Consonant using a clean and efficient approach in Java.

In this video, we solve LeetCode 258 – Add Digits using a simple while loop approach in Java. This problem is a great ...

In this video, we solve LeetCode 3100 – Water Bottles II using a clear and optimized approach in Java. This problem builds on the ...

In this video, we solve LeetCode 202 – Happy Number using a HashSet-based approach in Java. This problem is a great ...

In this video, we solve the Minimum Absolute Difference problem from LeetCode (Problem 1200) using an efficient and ...

In this video, we solve LeetCode 3005 – Count Elements With Maximum Frequency using a clean and efficient approach in Java.

In this video, we solve LeetCode 507 – Perfect Number using a simple loop-based approach in Java. This problem is a classic ...

In this video, we solve LeetCode 263 – Ugly Number using a simple and efficient approach in Java. This problem helps you ...