Practical guides, tips, and stories on coding interviews and smarter LeetCode practice with AI.
Stop coin-flipping between BFS and DFS. This decision framework tells you exactly which to pick based on what the question is actually asking.
LeetCopilot Team
9 min
2/10/2025
Learn how prefix sums simplify subarray questions, when to pair them with hash maps, and the exact steps to avoid off-by-one mistakes during interviews.
Master greedy intuition by studying realistic counterexamples, exchange arguments, and a checklist to decide when greedy is safe to propose in an interview.
2/7/2025
Tabulation feels like magic until you have a system. This step-by-step checklist removes the guesswork from filling DP tables.
10 min
2/6/2025
You know two pointers is faster, but the mental leap from nested loops feels chaotic. Here's a repeatable playbook.
2/5/2025
