HDOJ_1008_Elevator

AC代码：

#include <iostream>
#include <cstdio>
#define Max 105
using namespace std;

int a[Max];

int main(void)
{
    freopen("in.txt","r",stdin);
    int n;
    while(scanf("%d",&n)!=EOF&&n)
    {
        int temp=0,i;
        long long time=0;
        for(i=1;i<=n;i++)
        {
            scanf("%d",&a[i]);
            if(temp<a[i])
            {
                time+=(a[i]-temp)*6+5;
                temp=a[i];
            }
            else if(temp>a[i])
            { 
                time+=(temp-a[i])*4+5;
                temp=a[i];
            }
            else
            {
                time+=5;
            }
        }    
        printf("%lld\n",time);
    }
    
    fclose(stdin);
    return 0;
}