Egor Urvanov

Methods workshop

60 problem-solving methods in 3D, step by step

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About

Sixty problem-solving methods from maths and algorithms, each shown in 3D and taken step by step.

The methods are drawn from solving Project Euler+ on HackerRank, where the author placed 6th out of about 256,000 participants.

What is inside

  • For each method: the task, the head-on way, what we notice and how to solve it faster
  • Step-by-step 3D visualisation
  • Russian and English interface
  • Runs in the browser, no installation

At a glance

Methods
60
Format
3D in the browser, no installation
Languages
Russian and English
Where the tasks come from
Project Euler+ on HackerRank

Sources

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© 2026 Egor Urvanov