Display error message instead of performing invalid division with 0. r…

…esolves ChicoState#61

main.cpp

@@ -3,16 +3,20 @@
 
 int main()
 {
-    cout << "This is Kevin!\n";
-    cout<<"Hi, please enter two whole numbers: ";
+    std::cout << "This is Kevin!\n";
+    std::cout << "Hi, please enter two whole numbers: ";
 
     int x,y;
 
     std::cin >> x >> y;
     std::cout << "Addition: " << x + y << std::endl;
     std::cout << "Subtraction: " << x - y << std::endl;
     std::cout << "Multiplication: " <<x * y << std::endl;
-    std::cout << "Division: " << x / y << std::endl;
+    if ( y == 0 ) {  
+        std::cout << "Dividing by zero is not a number." << std::endl;
+    } else {
+        std::cout << "Division: " << x / y << std::endl;
+    }
     std::cout << "Remainder: " <<x % y << std::endl;
     std::cout << "Square Root: " << sqrt(x) << std::endl;
     std::cout << "Square: " << pow(x, y) << std::endl;