The Equal Row and Column Pairs problem from LeetCode75 is a matrix-based coding challenge that tests your ability to work with 2D arrays, hashing, and tuple comparisons. This problem is widely asked in interviews to evaluate how well you understand matrix traversal and efficient lookups. In this blog, we’ll break down the problem, walk through … Read more

The Determine if Two Strings Are Close problem from LeetCode 75 is a popular string manipulation challenge that tests your ability to work with sets, character frequency counts and transformation logic. This problem often appears in coding interviews because it requires careful reasoning about when two strings can be considered “equivalent” under specific rules. In … Read more

The Unique Number of Occurrences problem from LeetCode75 is a beginner-friendly coding interview question that tests your understanding of hash maps, frequency counting, and set operations. It’s often asked in interviews to check whether you can handle frequency analysis and uniqueness logic. In this blog, we’ll break down the problem, walk through examples and explain … Read more

The Find the Difference of Two Arrays problem from LeetCode (Problem 2215) is a beginner-friendly coding interview question that tests your understanding of sets, arrays and membership checks. It’s a common warm-up problem to evaluate how you handle uniqueness and comparison logic. In this blog, we’ll break down the problem, walk through examples, and explain … Read more

The Find Pivot Index problem from LeetCode 75 is a classic coding interview question that tests your understanding of prefix sums and array balancing. This problem is often used to evaluate how well candidates can manage cumulative sums and optimize linear scans. In this blog, we’ll explore the problem statement, go through examples, and implement … Read more

The Find the Highest Altitude problem from LeetCode75 is a beginner-friendly question that tests your ability to work with prefix sums and arrays. It’s a common warm-up problem in coding interviews, especially for testing iteration logic and cumulative calculations. In this blog, we’ll break down the problem, walk through examples and explain a clean Python … Read more

The Longest Subarray of 1’s After Deleting One Element problem is a frequently asked interview question that tests your understanding of sliding window techniques and careful handling of constraints. The task is simple but tricky: given a binary array, delete exactly one element and return the length of the longest subarray consisting only of 1s. … Read more

The Max Consecutive Ones III problem from LeetCode 75 is a classic interview question that tests your mastery of the sliding window technique. This problem focuses on array traversal, window adjustment and constraint handling. The challenge: given a binary array nums and an integer k, find the maximum number of consecutive 1s in the array … Read more