奋战杭电ACM（DAY5）1008

被前两题虐身虐心后看到这题简直难以置信，怎么可以这么水！！一次AC不解释！！难道老师是故意放这么道水题来安慰我们受伤的小心灵??

Elevator

#include <iostream>
using namespace std;
int main()
{
    int N,i,time;
    while(cin >> N)
    {
        if(N==0)
            break;
        else
        {
            int *q = new int[N+1];
            for(i=1; i<=N; i++)
                cin >> q[i];
            time = q[1]*6;
            if(N>=2)
            {
                for(i=2; i<=N; i++)
                {
                    if(q[i]>q[i-1])
                        time += 6*(q[i]-q[i-1]);
                    else if(q[i]<q[i-1])
                        time += 4*(q[i-1]-q[i]);
                }
            }
            time += 5*N;
        }
        cout << time << endl;
    }
    return 0;
}