考察以时间cost为核心的电梯时间模拟
#include<iostream>
int main()
{
int n;
while(scanf("%d",&n) != EOF)
{
int floorNow = 0;
int sum = 0;
while(n--)
{
int request;
scanf("%d",&request);
if(request > floorNow)
sum += (request-floorNow)*6;
else if(request < floorNow)
sum += (floorNow-request)*4;
sum += 5;
floorNow = request;
}
printf("%d\n", sum);
}
return 0;
}