Coding problems
All of Coding| Topicfoundations first | Easy | Medium | Hard |
|---|---|---|---|
| Foundations | |||
| Arrays and strings | |||
| Bits and math | |||
| Level 2 | |||
| Data and ML code | |||
| Front-end code | |||
| Secure coding | |||
| Searching and sorting | |||
| Designing data structures | |||
| Backtracking and games | |||
| Level 3 | |||
| Graphs and trees | |||
| Concurrency | |||
| Level 4 | |||
| Backend internals | |||
| Dynamic programming | |||
Foundations
Arrays and stringsEasyMediumHardBits and mathEasyMediumHardLevel 2
Data and ML codeEasyMediumHardFront-end codeEasyMediumHardSecure codingEasyMediumHardSearching and sortingEasyMediumHardDesigning data structuresEasyMediumHardBacktracking and gamesEasyMediumHardLevel 3
Graphs and treesEasyMediumHardConcurrencyEasyMediumHardLevel 4
Backend internalsEasyMediumHardDynamic programmingEasyMediumHard