From 8bbeaecf94d4e08f91499ee0a65fbfaef1db32e2 Mon Sep 17 00:00:00 2001
From: extragit <paoloini05@gmail.com>
Date: Wed, 5 Nov 2025 18:01:11 +0100
Subject: [PATCH 1/2] feat: Implemented Binary Converter

---
 exercises/binary_converter.cpp | 45 +++++++++++++++++++++++++++++++---
 1 file changed, 41 insertions(+), 4 deletions(-)

diff --git a/exercises/binary_converter.cpp b/exercises/binary_converter.cpp
index 19bf37dd..4f1c379d 100644
--- a/exercises/binary_converter.cpp
+++ b/exercises/binary_converter.cpp
@@ -1,7 +1,44 @@
 /*
-  Write a program that given a number as input convert it in binary.
+    Write a program that given a number as input convert it in binary.
 
-  Output:
-  Insert first number: 8
-  The binary number is: 1000
+    Output:
+    Insert first number: 8
+    The binary number is: 1000
 */
+#include <iostream>
+
+using namespace std;
+
+void BinR(unsigned long int num){
+    if(!num){
+        return;
+    }
+
+    if(num%2){
+        BinR((num-1)/2);
+        cout<< "1";
+        return;
+    }
+
+    BinR(num/2);
+    cout<< "0";
+    return;
+}
+
+int main(){
+    unsigned long int num;
+
+    cout << "Insert first number: ";
+    cin >> num;
+
+    if(cin.fail()){
+        cerr << "Error: The given value is not a number" << endl;
+        exit(1);
+    }
+
+    cout<< "The binary number is: ";
+    BinR(num);
+
+    cout << endl;
+    return 0;
+}

From 988da0c866649429550242cc16f2154b98c88d4c Mon Sep 17 00:00:00 2001
From: extragit <paoloini05@gmail.com>
Date: Wed, 5 Nov 2025 18:21:37 +0100
Subject: [PATCH 2/2] Fix: Now work with negative numbers

---
 exercises/binary_converter.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/exercises/binary_converter.cpp b/exercises/binary_converter.cpp
index 4f1c379d..cc4a7414 100644
--- a/exercises/binary_converter.cpp
+++ b/exercises/binary_converter.cpp
@@ -9,7 +9,7 @@
 
 using namespace std;
 
-void BinR(unsigned long int num){
+void BinR(long int num){
     if(!num){
         return;
     }
@@ -26,7 +26,7 @@ void BinR(unsigned long int num){
 }
 
 int main(){
-    unsigned long int num;
+    long int num;
 
     cout << "Insert first number: ";
     cin >> num;
@@ -36,6 +36,11 @@ int main(){
         exit(1);
     }
 
+    if(num < 0){
+        num *= -1;
+        cout<< "Warning: The given value is a negative number. Switching to "<< num << endl;
+    }
+
     cout<< "The binary number is: ";
     BinR(num);