The “Reverse Linked List” problem is one of the most fundamental and frequently asked problems in data structures. It tests your understanding of pointer manipulation and recursion in a singly…
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The “Middle of the Linked List” problem is a classic linked list question that helps you understand traversal techniques and…
The “Design Linked List” problem is a fundamental data structure question that tests your understanding of how linked lists work and how to implement them from scratch. In this…
The “Square Root using Binary Search” problem is a classic question that helps you understand both brute force and binary…
The GeeksforGeeks problem “Sum of first n terms” asks you to compute the value of and return the result. All…
The “Print N to 1 without loop” problem on GeeksforGeeks challenges you to output the integers from N down to…
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.Formally,…
You are given an array prices where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by…
Explore the Maximum Subarray problem with a brute-force triple loop, a quadratic improvement, and the optimal Kadane’s Algorithm, all with…
Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target. You may…