Merge branch 'double'

main.cpp

@@ -5,7 +5,7 @@ using namespace std;
 int main()
 {
     cout << "Enter a and b: ";
-    int a, b;
+    double a, b;
     cin >> a >> b;
     cout << "a + b = " << a + b << endl;
     cout << "a - b = " << a - b << endl;