diff --git a/.common/rust/src/main.rs b/.common/rust/src/main.rs
index 66f78ac..3a21fdf 100644
--- a/.common/rust/src/main.rs
+++ b/.common/rust/src/main.rs
@@ -1,6 +1,7 @@
 #![allow(unused_imports)]
 
 // region ‹use›
+use self::aliases::*;
 use self::input::*;
 use self::math::*;
 use self::output::*;
@@ -297,3 +298,13 @@ mod input {
         }
     }
 }
+
+#[allow(dead_code)]
+mod aliases {
+    use std::collections::{BTreeMap, BTreeSet, VecDeque};
+
+    pub type V<T> = Vec<T>;
+    pub type M<K, V> = BTreeMap<K, V>;
+    pub type S<T> = BTreeSet<T>;
+    pub type Q<T> = VecDeque<T>;
+}