public void Proc()
{
int itemCount = int.Parse(Reader.ReadLine());
int[] timeArr = Reader.ReadLine().Split(' ').Select(a => int.Parse(a)).ToArray();
int[] spdArr = Reader.ReadLine().Split(' ').Select(a => int.Parse(a)).ToArray();
for (int i = 0; i < itemCount; i++)
{
this.AreaList.Add(new Area(i, timeArr[i], spdArr[i]));
}
this.AreaList[0].EnterMaxSpeed = 0;
this.AreaList.Last().LeaveMaxSpeed = 0;
if (this.AreaList.Count > 1)
{
this.AreaList[0].LeaveMaxSpeed = Math.Min(this.AreaList[0].LeaveMaxSpeed, this.AreaList[1].EnterMaxSpeed);
}
Queue <Area> que = new Queue <Area>();
que.Enqueue(this.AreaList[0]);
while (que.Count > 0)
{
Area current = que.Dequeue();
if (!current.IsModified)
{
continue;
}
current.IsModified = false;
if (current.ID > 0)
{
Area prev = this.AreaList[current.ID - 1];
prev.LeaveMaxSpeed = Math.Min(prev.LeaveMaxSpeed, current.EnterMaxSpeed);
que.Enqueue(prev);
}
if (current.ID < this.AreaList.Count - 1)
{
Area next = this.AreaList[current.ID + 1];
next.EnterMaxSpeed = Math.Min(next.EnterMaxSpeed, current.LeaveMaxSpeed);
que.Enqueue(next);
}
}
decimal ans = AreaList.Sum(a => a.GetLength());
Console.WriteLine(ans);
}