| Language | Version | Notes |
|---|---|---|
| C++ | g++ 8.2 | Uses the C++17 standard. |
| Java | java 1.8.0 | |
| Python | python 2.7.12 | For Map/TreeMap data structure, you may use sortedcontainers library. |
| Python3 | Python 3.8 | For Map/TreeMap data structure, you may use sortedcontainers library. |
| MySQL | mysql-server 5.7.21 | |
| C | gcc 8.2 | For hash table operations, you may use uthash."uthash.h" is included by default. |
| C# | mono 5.18.0 | Run with /debug flag, with full support for C# 7. |
| JavaScript | nodejs 10.15.0 | Run with --harmony flag, enabling new ES6 features.lodash.js library is included by default. |
| Ruby | ruby 2.4.5 | |
| Bash | bash 4.3.30 | |
| Swift | swift 5.0.1 | |
| Go | go 1.11.4 | |
| Scala | Scala 2.11.12 | |
| Kotlin | Kotlin 1.3.10 | |
| Rust | 1.31.0 | edition = 2018, supports rand from crates.io |
| PHP | PHP 7.2 |