Practical guides, tips, and stories on coding interviews and smarter LeetCode practice with AI.
Your solution passes the first 10 test cases instantly, then times out on test case 47/50. This isn't a bug—it's an algorithmic complexity problem. Learn how to diagnose and fix performance issues before they fail in interviews.
Sarah Chen
18 min
11/24/2025
You read the problem and immediately wonder: Array? Hash map? Stack? Heap? Learning the signals that point you to the right data structure transforms guesswork into systematic pattern recognition.
Marcus Liu
19 min
Your code passes all visible examples but fails submission. This is one of the most frustrating moments in interview prep—and also the most valuable learning opportunity. Here's a systematic approach to find and fix those invisible bugs.
Jordan Lee
15 min
11/23/2025
Jumping into DP without the right foundation is why most people struggle. This guide reveals the exact prerequisite skills you need to master first—and how to know when you're actually ready for DP.
Michael Torres
16 min
You solve a problem, understand it perfectly, then blank out a week later. This isn't a memory problem—it's a learning design problem. Discover the science behind why you forget and the exact techniques to make solutions stick.
14 min
Mindless grinding fails. Learn why 'deep solving' shorter lists beats hitting 500+ problems, and how to build a retention system that works.
David Ng
8 min
Using ChatGPT to solve Two Sum won't get you hired. Here is the exact strategy to use AI as a tutor, not a solution machine.
12 min
11/22/2025
Stuck between memorizing LeetCode answers and actually understanding patterns? Learn how to build reusable algorithm templates that keep you calm and fast in coding interviews.
LeetCopilot Team
13 min
You watch the tutorial, nod along, get every concept—then open a blank editor and freeze. The gap between understanding an algorithm and implementing it is real. Here's how to bridge it, step by step.
Dr. Elena Martinez
Your code passes half the test cases and fails the rest. You stare at the red X, unsure where to begin. Learn the step-by-step debugging framework that transforms failing test cases from frustrating mysteries into solvable puzzles.
17 min
11/21/2025
