การดำเนินการกับลิงก์ลิสต์

อินพุต:
std::vector<std::string> operations = {"push_back 2", "push_front 1", "push_back 3", "reverse"};

ผลลัพธ์ที่คาดหวัง:
std::vector<long long> expected = {3, 2, 1};

อินพุต:
string[] operations = new string[] {"push_back 2", "push_front 1", "push_back 3", "reverse"};

ผลลัพธ์ที่คาดหวัง:
long[] expected = new long[] {3, 2, 1};

อินพุต:
std::vector<std::string> operations = {"push_back 5", "push_back 7", "push_back 5", "remove 5", "pop_front"};

ผลลัพธ์ที่คาดหวัง:
std::vector<long long> expected = {5};

อินพุต:
string[] operations = new string[] {"push_back 5", "push_back 7", "push_back 5", "remove 5", "pop_front"};

ผลลัพธ์ที่คาดหวัง:
long[] expected = new long[] {5};