From 1ff35f341e56076b70ebdcac8b67a0fe9df3ac11 Mon Sep 17 00:00:00 2001
From: extragit <paoloini05@gmail.com>
Date: Wed, 5 Nov 2025 18:51:21 +0100
Subject: [PATCH 1/2] feat: Implemented a Calculator

---
 exercises/calculator.cpp | 54 ++++++++++++++++++++++++++++++++++------
 1 file changed, 46 insertions(+), 8 deletions(-)

diff --git a/exercises/calculator.cpp b/exercises/calculator.cpp
index 013cc786..25112821 100644
--- a/exercises/calculator.cpp
+++ b/exercises/calculator.cpp
@@ -1,12 +1,50 @@
 /*
-  Write a program that given two numbers as input make the main operations.
+    Write a program that given two numbers as input make the main operations.
 
-  Output:
-  Insert first number: 4
-  Insert second number: 2
+    Output:
+    Insert first number: 4
+    Insert second number: 2
 
-  SUM: 6
-  Difference: 2
-  Multiplication: 8
-  Division: 2
+    SUM: 6
+    Difference: 2
+    Multiplication: 8
+    Division: 2
 */
+#include <iostream>
+
+using namespace std;
+
+int main(){
+    int num1;
+    int num2;
+
+    cout<< "Insert first number: ";
+    cin >> num1;
+
+    if(cin.fail()){
+        cerr<<"Error: The given value is not a number"<<endl;
+        exit(1);
+    }
+
+    cout<< "Insert second number: ";
+    cin>> num2;
+
+    if(cin.fail()){
+        cerr<< "Error: The given value is not a number"<<endl;
+        exit(1);
+    }
+
+    
+    cout<< endl<<
+    "SUM: "<< num1 + num2<< endl<<
+    "Difference: " << num1 - num2<< endl<<
+    "Multiplication: "<< num1 * num2 << endl;
+
+    if(num2 == 0){
+        cout<<"Division: Unable to divide by 0"<< endl;
+        return 0;
+    }
+
+    cout<< "Division: "<< num1 / num2 <<endl;
+    return 0;
+}
\ No newline at end of file

From 47b9dbc80acb73d62aa15a07819d9832d74a6ecf Mon Sep 17 00:00:00 2001
From: extragit <paoloini05@gmail.com>
Date: Thu, 6 Nov 2025 11:43:31 +0100
Subject: [PATCH 2/2] style: remove a space

---
 exercises/calculator.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/exercises/calculator.cpp b/exercises/calculator.cpp
index 25112821..0185d9f3 100644
--- a/exercises/calculator.cpp
+++ b/exercises/calculator.cpp
@@ -34,8 +34,7 @@ int main(){
         exit(1);
     }
 
-    
-    cout<< endl<<
+    cout<<endl<<
     "SUM: "<< num1 + num2<< endl<<
     "Difference: " << num1 - num2<< endl<<
     "Multiplication: "<< num1 * num2 << endl;