Tidak cocok untuk operator = (tipe operan adalah std :: basic_ostream dan 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;