From ed18c3b93dbc065334ded943611e7367996a1da9 Mon Sep 17 00:00:00 2001
From: Tomasz Waszczyk <tomasz@waszczyk.com>
Date: Fri, 10 Jun 2022 17:39:11 +0200
Subject: [PATCH] added(save): random save

---
 exercises/functions/functions2.rs | 3 +--
 exercises/functions/functions3.rs | 4 +---
 exercises/functions/functions4.rs | 3 +--
 exercises/functions/functions5.rs | 4 +---
 exercises/if/if1.rs               | 6 +++++-
 5 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/exercises/functions/functions2.rs b/exercises/functions/functions2.rs
index 5721a172..356268ba 100644
--- a/exercises/functions/functions2.rs
+++ b/exercises/functions/functions2.rs
@@ -1,13 +1,12 @@
 // 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: u32) {
     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..ef89f8de 100644
--- a/exercises/functions/functions3.rs
+++ b/exercises/functions/functions3.rs
@@ -1,10 +1,8 @@
 // functions3.rs
 // Make me compile! Execute `rustlings hint functions3` for hints :)
 
-// I AM NOT DONE
-
 fn main() {
-    call_me();
+    call_me(5);
 }
 
 fn call_me(num: u32) {
diff --git a/exercises/functions/functions4.rs b/exercises/functions/functions4.rs
index 58637e4c..2d284411 100644
--- a/exercises/functions/functions4.rs
+++ b/exercises/functions/functions4.rs
@@ -4,14 +4,13 @@
 // This store is having a sale where if the price is an even number, you get
 // 10 Rustbucks off, but if it's an odd number, it's 3 Rustbucks off.
 
-// I AM NOT DONE
 
 fn main() {
     let original_price = 51;
     println!("Your sale price is {}", sale_price(original_price));
 }
 
-fn sale_price(price: i32) -> {
+fn sale_price(price: i32) -> i32{
     if is_even(price) {
         price - 10
     } else {
diff --git a/exercises/functions/functions5.rs b/exercises/functions/functions5.rs
index d22aa6c8..c4469c7f 100644
--- a/exercises/functions/functions5.rs
+++ b/exercises/functions/functions5.rs
@@ -1,13 +1,11 @@
 // functions5.rs
 // Make me compile! Execute `rustlings hint functions5` for hints :)
 
-// I AM NOT DONE
-
 fn main() {
     let answer = square(3);
     println!("The answer is {}", answer);
 }
 
 fn square(num: i32) -> i32 {
-    num * num;
+    return num * num;
 }
diff --git a/exercises/if/if1.rs b/exercises/if/if1.rs
index 90867545..7e10114f 100644
--- a/exercises/if/if1.rs
+++ b/exercises/if/if1.rs
@@ -1,8 +1,12 @@
 // if1.rs
 
-// I AM NOT DONE
 
 pub fn bigger(a: i32, b: i32) -> i32 {
+    if a > b {
+        return a
+    } else {
+        return b;
+    }
     // Complete this function to return the bigger number!
     // Do not use:
     // - another function call