汽车加油问题

上次面试的时候遇到这么一道题目：一辆汽车加满油后可以行驶N千米。旅途中有若干个加油站。若要使沿途的加油次数最少，设计一个有效的算法，指出应在那些加油站停靠加油。

一个简单的算法如下：只要加油站站距小于汽车可行驶距离，就将其累加，累加标记打开，当累加的和大于行车距时，上一个加油站点便是必须要加油的站点，使用当前站距为起始累加；当累加的和等于行车距时，当前站点则为必须要加油的站点，使用累加站距清零，累加标记关闭；


namespace test
{
    class Program
    {
        static void Main(string[] args)
        {


            int[] point = { 40, 20, 15, 12, 22, 15, 22, 10, 20, 30, 16, 15, 22, 16, 8, 2, 40, 22, 10, 5, 3 };
            int distance = 40;


            findAllPoint(point,distance);

           

        }

        private static void findAllPoint(int[] point, int distance)
        {
            for (int i = 0; i < point.Length; i++)
            {
                Console.Write(point[i] + " ");

            }

            Console.WriteLine();
            Console.WriteLine("------------------------------------------");
            //累加标记
            bool countFlag = false;
            //第N次加油
            int jPoint = 1;
            //累加存放
            int sumValue = 0;

            for (int i = 0; i < point.Length; i++)
            {
                //与行车距的检查
                if (point[i] > distance)
                {
                    Console.Write("行车距过大！！！");
                    break;

                }
                //与行车距相等
                if ((point[i] == distance) && (countFlag == false))
                {

                    Console.WriteLine("第{0}次加油是在站点{1}", jPoint, i);
                    jPoint++;
                    continue;
                }
                //比行车距相小，开始累加
                if ((point[i] < distance) && (countFlag == false))
                {
                    countFlag = true;
                    sumValue = point[i];
                    continue;

                }
                //有累加
                if (countFlag == true)
                {
                    //加上当前段距
                    sumValue = sumValue + point[i];

                    //比行车距大了

                    if (sumValue > distance)
                    {
                        countFlag = true;
                        sumValue = point[i];
                        Console.WriteLine("第{0}次加油是在站点{1}", jPoint, i - 1);
                        jPoint++;
                        continue;
                    }
                    //与行车距相等
                    if (sumValue == distance)
                    {
                        countFlag = false;
                        sumValue = 0;
                        Console.WriteLine("第{0}次加油是在站点{1}", jPoint, i);
                        jPoint++;
                        continue;
                    }
                    //继续累加
                    continue;
                }

            }
        }


    }
}