diff --git a/exercises/functions/functions1.rs b/exercises/functions/functions1.rs
index 31125278..417f70cf 100644
--- a/exercises/functions/functions1.rs
+++ b/exercises/functions/functions1.rs
@@ -1,8 +1,12 @@
 // functions1.rs
 // Make me compile! Execute `rustlings hint functions1` for hints :)
 
-// I AM NOT DONE
+
 
 fn main() {
     call_me();
 }
+
+fn call_me(){
+    println!("call me");
+}
\ No newline at end of file
diff --git a/exercises/functions/functions2.rs b/exercises/functions/functions2.rs
index 5721a172..b30f9d83 100644
--- a/exercises/functions/functions2.rs
+++ b/exercises/functions/functions2.rs
@@ -1,13 +1,13 @@
 // functions2.rs
 // Make me compile! Execute `rustlings hint functions2` for hints :)
 
-// I AM NOT DONE
+
 
 fn main() {
     call_me(3);
 }
 
-fn call_me(num:) {
+fn call_me(num:i32) {
     for i in 0..num {
         println!("Ring! Call number {}", i + 1);
     }
diff --git a/exercises/functions/functions3.rs b/exercises/functions/functions3.rs
index ed5f839f..0aa45467 100644
--- a/exercises/functions/functions3.rs
+++ b/exercises/functions/functions3.rs
@@ -1,10 +1,10 @@
 // functions3.rs
 // Make me compile! Execute `rustlings hint functions3` for hints :)
 
-// I AM NOT DONE
+
 
 fn main() {
-    call_me();
+    call_me(6);
 }
 
 fn call_me(num: u32) {