SolveLog journal

Ideas that make the next problem easier.

Short, practical notes on recognizing patterns, building intuition, and turning solved problems into knowledge you can reuse.

01
Language choice

Python vs C++ vs Java: which language should you use for DSA?

A practical comparison of Python, C++, and Java for LeetCode, coding interviews, competitive programming, and long-term software development.

8 min read · Read article →
02
Coding habits

How to code effectively: a repeatable workflow from idea to solution

A practical coding workflow for writing correct, readable, and efficient solutions without rushing into implementation.

7 min read · Read article →
03
Debugging

How to debug algorithm solutions without guessing

A systematic method for finding wrong assumptions, broken invariants, boundary errors, and complexity problems in algorithm code.

7 min read · Read article →
04
Learning strategy

How to practice LeetCode without memorizing solutions

A learning system for building transferable pattern recognition instead of remembering isolated LeetCode answers.

8 min read · Read article →
What comes next

Deep guides, built from real problems.

Start with a practical guide, then apply the idea to one of the 394 worked solutions in the archive.

Browse all 394 solutions