RunTimeFix is practical programming education. Competitive programming, DSA, development, and databases — taught through books, videos, courses, and hands-on learning that sticks.
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What is RunTimeFix?
Most programming education gets one of two things wrong: it either explains everything without ever writing code, or it throws code at you without explaining why it works.
RunTimeFix is built on a simple principle — every idea should end in working, verified code. We teach algorithmic thinking for competitive programming, engineering fundamentals for real systems, and the debugging mindset that separates people who copy code from people who understand it.
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RunTimeFix
RunTimeFix
From LeetCode to Codeforces — build the algorithmic intuition that separates elite competitors from everyone else.
YouTube
Free high-signal videos on competitive programming, DSA, databases, and development. No clickbait — just problems worked through end to end.
Why RunTimeFix
01
Every concept is taught by writing code and solving problems — not by reading slides.
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Complexity analysis and correctness come first. Fast code you can't reason about isn't fast.
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Lessons are built around real problems so you learn patterns you can actually reuse.
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Beyond contests: how databases, systems and production code behave under load.
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Courses are sequenced paths with clear prerequisites — no random topic hopping.
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Build things that force you to use what you learned, from parsers to full services.
Pick a course, open the free book, or subscribe to the channel. The fastest way to get better at programming is deliberate, structured practice — that's what we make.
Modern C++ from fundamentals to the standard library and templates.