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In this video, we solve LeetCode 3512 – Minimum Operations to Make Array Sum Divisible by K using a clean and optimal math + ...

In this video, we solve LeetCode 231 – Power of Two using an efficient and interview-ready approach in Java. This problem is a ...

In this video, we solve LeetCode 1523 – Count Odd Numbers in an Interval Range using a simple and efficient math-based ...

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 633 – Sum of Square Numbers using an efficient and interview-ready approach in Java.

In this video, we solve LeetCode 2154 – Keep Multiplying Found Values by Two using a clean and efficient approach in Java.

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

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 258 – Add Digits using a simple while loop approach in Java. This problem is a great ...

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 2032 – Two Out of Three using an efficient approach with HashSet and HashMap in Java.

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 2778 – Sum of Squares of Special Elements using a clean and efficient approach in Java.

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 202 – Happy Number using a HashSet-based approach in Java. This problem is a great ...

In this video, we solve LeetCode 3010 – Divide an Array Into Subarrays With Minimum Cost I using a simple and optimal ...

In this video, we solve one of the most commonly asked Data Structures & Algorithms interview questions: Moving Zeroes to the ...

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 3100 – Water Bottles II using a clear and optimized approach in Java. This problem builds on the ...

In this video, we solve LeetCode 171 – Excel Sheet Column Number using a clean and interview-ready approach in Java.