Riot Games Coding Interview Questions: 6 Tagged Problems
6 coding problems tagged Riot Games — 2 easy · 3 medium · 1 hard — with solutions in 13 languages. Plus a study plan by topic.
- Problems: 6
- By difficulty: 2 easy · 3 medium · 1 hard
- Languages: JavaScript, TypeScript, Python, Java, C++, C, C#, Go, Kotlin, Swift, Rust, PHP and Ruby
- Cost: Free on every plan; sign in to run and submit
6 problems the CodeKairo catalogue tags as commonly asked in Riot Games's coding rounds — 2 easy, 3 medium and 1 hard — each judged by hidden tests in 13 languages. The most common topics among them are Arrays (4), Matrix (3) and Hash Table (2). The tag is the catalogue's own annotation of where a problem tends to come up — not a list published by Riot Games, which CodeKairo is not affiliated with.
Riot Games study plan by topic
All 6 problems tagged Riot Games, about 3 h 15 min of solving, grouped by technique in the order they build on each other — Stack, Matrix, Simulation and Bit Manipulation and 1 more.
The plan
6 problems on Stack, Matrix, Simulation, Bit Manipulation and Backtracking, easiest first within each topic.
- Valid Parentheses Easy
- Valid Sudoku Medium
- Teemo Attacking Easy
- Game of Life Medium
- Divide Two Integers Medium
- Sudoku Solver Hard
All problems tagged Riot Games
Easy (2)
- Teemo Attacking Array, Simulation
- Valid Parentheses String, Stack
Medium (3)
- Divide Two Integers Math, Bit Manipulation
- Valid Sudoku Array, Hash Table, Matrix
- Game of Life Array, Matrix, Simulation
Hard (1)
- Sudoku Solver Array, Hash Table, Backtracking
Topics Riot Games asks most
- Arrays 4 problems
- Matrix 3 problems
- Hash Table 2 problems
- Simulation 2 problems
- Strings 1 problem
- Math 1 problem
- Stack 1 problem
- Bit Manipulation 1 problem
- Backtracking 1 problem