Academic preparation
Visual support for Algorithms and Data Structures exams: see in action what textbooks leave abstract.
Knode
Coming to iOS & Android
Master algorithms and data structures. 5 minutes a day.
Knode trains the problem-solving skills needed for technical interviews, with visual and interactive lessons. One level at a time.
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Among the first to join: early access and exclusive perks for founding members.
The real obstacle
You've been coding for years, yet an "Easy" LeetCode problem can still stump you.
It's not a syntax gap. Those problems require problem-solving applied to data structures and algorithms — a specific skill that develops with practice. Knode starts from the fundamentals and guides you all the way to the reasoning you need in front of a problem, not just the theory.
Problems solved
23Solved
Easy17/873
Medium5/1826
Hard1/819
Years of coding experience, yet the ring is almost empty. It's not syntax holding you back — it's reasoning, a skill built over time.
Prepare for interviews at the most sought-after companies
Designed for every goal
Whether you're preparing for an interview, studying for an exam, or starting from scratch, the path adapts to your objective.
Nail your technical interviews
The data structures and algorithms required in technical interviews, tackled step by step up to the reasoning needed in front of the problem.
CS fundamentals
Build solid computer science foundations from the ground up, one level at a time, without taking anything for granted.
Study anywhere, five minutes at a time.
Studying data structures usually means sitting for hours at a computer. Knode brings them to your smartphone, in short sessions you can fit into the spare moments of your day. Consistency builds problem-solving skills — not marathon cramming sessions at the last minute.
0streak
5 min al giornoFrom zero to your first LeetCode problem.
We take you from the basics all the way to solving your first LeetCode problem. Along the way, we assign exercises at regular intervals that you should be able to tackle at that point — a concrete check to make sure you're progressing at the right pace.
Si parte da zero
Nessun prerequisito: si costruisce dalle fondamenta.
Checkpoint LeetCode
A intervalli regolari ti assegniamo noi un esercizio da risolvere: la prova che sei al passo.
Pronto per il colloquio
Affronti i problemi Medium con un metodo, non a tentativi.