「🔨」 fix(ex01/ex02): fixed things that i forgot to do

ex01/Span.cpp

@@ -1,9 +1,3 @@
-#include <stdexcept>
-#include <algorithm>
-#include <limits>
-
-#include <iostream>
-
 #include "Span.hpp"
 
 Span::Span(void)
@@ -72,3 +66,17 @@ int	Span::longestSpan(void)
 
 	return (*max - *min);
 }
+
+std::ostream	&operator<<(std::ostream &os, const Span &o)
+{
+	os << "(size = " << o.getSize() << ") ";
+	std::vector<int> const &numbers = o.getData();
+	for (unsigned int i = 0; i < numbers.size(); i++)
+	{
+		os << numbers[i];
+		if (i != numbers.size() - 1)
+			os << ", ";
+	}
+	return os;
+}
+