diff --git a/.common/rust/src/main.rs b/.common/rust/src/main.rs
index 439730a..6f027c5 100644
--- a/.common/rust/src/main.rs
+++ b/.common/rust/src/main.rs
@@ -329,4 +329,13 @@ mod output {
     pub fn yesno(ans: bool) {
         println!("{}", if ans { "YES" } else { "NO" });
     }
+
+    pub fn print_vec<T: Display>(v: &[T]) {
+        print!("{}", v[0]);
+
+        for i in 1..v.len() {
+            print!(" {}", v[i]);
+        }
+        println!();
+    }
 }