| # | Title |
|---|---|
| 1 | Leetcode |
| 2 | Codeforces |
| 3 | InterviewBit |
| 4 | HackerRank |
| 5 | pgexercises |
| 6 | exercism |
| 7 | hackerrank |
| # | Title | Implementation | API |
|---|---|---|---|
| 1 | Stack | Java, Python | Java, Python, JS, Scala, Perl, C++ |
| 2 | Queue | Java | Java |
| 3 | HashMap | Java, Python, JS | |
| 4 | Set | Java | |
| 4 | Binary Search Tree | Java, Python | |
| 5 | Heap | Java | Java, Python |
| 6 | Trie | Java | |
| 7 | StringBuilder | Java |
| # | Title | Implementation |
|---|---|---|
| 1 | Binary Search | Java |
| # | Title |
|---|---|
| 1 | Java |
| 2 | Python |
| 3 | Javscript |
| 4 | SQL |
| # | Stack |
|---|---|
| 14 | Two pointer |
| 13 | Breadth First Search |
| 13 | Keywords |
| 12 | Graph |
| 11 | Heap |
| 10 | Complexity |
| 9 | Spark |
| 8 | AWS |
| 7 | Javascript |
| 6 | REST |
| 5 | Docker |
| 4 | Github Actions |
| 3 | Database |
| 2 | Java |
| 1 | Python |
| # | Title | Solutions |
|---|---|---|
| 1 | Check if a string has unique characters | Java |