Chi phí thông báo

Đầu vào:
std::vector<std::string> messages = {"email Welcome!", "sms Your code is 1234", "push New follower"};

Kết quả mong đợi:
long long expected = 6;

Đầu vào:
string[] messages = new string[] {"email Welcome!", "sms Your code is 1234", "push New follower"};

Kết quả mong đợi:
long expected = 6;

Đầu vào:
std::vector<std::string> messages = {"sms aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"};

Kết quả mong đợi:
long long expected = 10;

Đầu vào:
string[] messages = new string[] {"sms aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"};

Kết quả mong đợi:
long expected = 10;