Ola Coding Interview Questions: 3 Tagged Problems
3 coding problems tagged Ola — 2 medium · 1 hard — with solutions in 13 languages. Plus a study plan by topic.
- Problems: 3
- By difficulty: 2 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
3 problems the CodeKairo catalogue tags as commonly asked in Ola's coding rounds — 2 medium and 1 hard — each judged by hidden tests in 13 languages. The most common topics among them are Arrays (2), Greedy (2) and Strings (1). The tag is the catalogue's own annotation of where a problem tends to come up — not a list published by Ola, which CodeKairo is not affiliated with.
Ola study plan by topic
All 3 problems tagged Ola, about 2 h of solving, grouped by technique in the order they build on each other — Binary Search, Stack and Graph.
The plan
3 problems on Binary Search, Stack and Graph, easiest first within each topic.
All problems tagged Ola
Medium (2)
- Maximum Star Sum of a Graph Array, Graph, Greedy
- Count Collisions on a Road String, Stack, Simulation
Hard (1)
- Minimum Time to Complete Trips Array, Binary Search
Topics Ola asks most
- Arrays 2 problems
- Greedy 2 problems
- Strings 1 problem
- Sorting 1 problem
- Binary Search 1 problem
- Stack 1 problem
- Simulation 1 problem
- Heap 1 problem
- Graph 1 problem