Sin coincidencia para operador = (los tipos de operando son std :: básico_ostream e int)
result_1 += number_1;
cout << result_1;
Excited Elk
result_1 += number_1;
cout << result_1;
result_1 += number_1;
cout << result_1;
result_1 += number_1;
cout << result_1;
result_1 += number_1;
cout << result_1;
result_1 += number_1;
cout << result_1;
result_1 += number_1;
cout << result_1;
result_1 += number_1;
cout << result_1;
result_1 += number_1;
cout << result_1;
result_1 += number_1;
cout << result_1;
result_1 += number_1;
cout << result_1;