#include "iostream"
#include "memory.h"
#include "cmath"
using namespace std;
int num[110];
int main()
{
int N, i, times;
while (cin >> N && N)
{
memset(num, 0, sizeof(num));
times = 0;
for(i = 1; i <= N; i++)
cin >> num[i];
for(i = 1; i <= N; i++)
{
if (num[i] > num[i-1])
times += abs (double (num[i] - num[i-1])) * 6 + 5;
else
times += abs(double (num[i] - num[i-1])) * 4 + 5;
}
cout << times << endl;
}
}
zoj 2108 Elevator
最新推荐文章于 2017-06-14 18:31:31 发布