C++程序：计算6个正整数中小于给定值的数的和

#include "iostream"\nusing namespace std;\n\nint main() {\n int a, sum = 0;\n cin >> a;\n \n for (int i = 0; i < 6; i++) {\n int num;\n cin >> num;\n if (num < a) {\n sum += num;\n }\n }\n \n cout << sum << endl;\n \n return 0;\n}