题解 | #Mileage Bank#

#include<iostream>
using namespace std;
#include<string>
int main()
{
	string place1, place2;
	int dis = 0;
	int sum = 0;
	char type;
	cin >> place1 >> place2 >> dis >> type;
	while (place1 != "0")
	{
		if (type == 'Y')
		{
			if (dis < 500)
			{
				sum += 500;
			}
			else
			{
				sum += dis;
			}
		}
		else if (type == 'B')
		{
			sum += dis * 3 / 2;
		}
		else
		{
			sum += dis * 2;
		}
		cin >> place1 >> place2 >> dis >> type;
	}
	sum = (sum * 2 + 1) / 2;
	cout << sum << endl;
	system("pause");

}