diff --git a/readme.md b/readme.md
index ffefe74..589f6fd 100644
--- a/readme.md
+++ b/readme.md
@@ -24,14 +24,33 @@ cd random-problem
 go test ./...
 ```
 
+Rust:
+
+```bash
+cd random-problem
+cargo test
+```
+
 ## Why Ruby?
 
 Solving problems in Ruby can be a lot more fun than it first appears.
 It is relatively slow language.
 Sub-optimal C or Rust solutions will pass all tests,
-but Ruby or Python solutions will not be able to meet the time limit.
+but Ruby solutions will not be able to meet the time limit.
 This forces us to look for optimized algorithms.
 
-## Why Go?
+The same can be said about Python.
 
-Go is used when stronger typing is required. This helps not to violate the conditions of the task.
+## Why Go / Rust?
+
+These languages are used when stronger typing is required. This helps not to violate the conditions of the task.
+
+Or sometimes just for fun.
+
+## Kotlin?
+
+I decided to learn it during the Advent of Code 2023.
+
+## C++
+
+C++ is used when I have no other suitable options for competitive programming.