The Lemonade Change problem is a very popular coding interview question and a classic example of applying the Greedy Algorithm.…
Browsing: Beginner
The Minimum Number of Coins problem is a classic Greedy Algorithm example. It is frequently asked in coding interviews and…
When preparing for coding interviews, one of the common patterns you’ll come across is the Greedy Algorithm. A great example…
Given an array arr[ ] of integers, the task is to find the next greater element for each element of the array…
Postfix, prefix, and infix are three common notations used to write arithmetic expressions. In infix notation, the operator is placed between…
The Valid Parentheses problem is a classic interview question to check your understanding of stacks and string parsing. It evaluates whether a…
Implementing a Queue using a Linked List is a foundational data structure exercise with widespread use in real-world computing and interview questions.…
Learning to implement a Stack using a Linked List is an essential step in mastering data structures. It’s not only a popular…
Implement a first in first out (FIFO) queue using only two stacks. The implemented queue should support all the functions…
Given an integer array height[] where height[i] represents the height of the i-th stair, a frog starts from the first stair and wants to reach the top. From any…