1008.Elevator (20)

1008.Elevator (20)

pat-al-1008

2017-01-26

• 本题无坑

/** * pat-al-1008 * 2017-01-26 * C version * Author: fengLian_s */#include<stdio.h>int main(){  freopen("in.txt", "r", stdin);  int n;  scanf("%d", &n);  int sum = 0;  int last = 0;  for(int i = 0;i < n;i++)  {    int tmp;    scanf("%d", &tmp);    if(tmp > last)    {      sum += ((tmp - last) * 6 + 5);    }    else    {      sum += ((last - tmp) * 4 + 5);    }    last = tmp;  }  printf("%d\n", sum);}

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