c#编程题，请兄弟进链接查看文本，会的留下代码，输入输出得一致，感谢

Question

链接: https://pan.baidu.com/s/1hsgMEy7VeZJ_cEJTBKMJGA

提取码: cp3d 

Answer 1

public class DynArray
    {
        public int[] array;
        private int count;
        private int size;
        public DynArray()
        {
            count = 0;
            size = 1;
            array = new int[size];
        }
        public int get(int index) { return array[index]; }
        public void set(int index, int value) { array[index] = value; }
        public void append(int i)
        {
            if (count == size) growSize(size);
            array[count] = i;
            count++;
        }
        private void growSize(int size)
        {
            int[] temp = null;
            temp = new int[size * 2];
            for (var i = 0; i < count; i++)
            {
                temp[i] = array[i];
            }
            array = temp;
            this.size = size * 2;
        }
        public int getLength() { return count; }
        public void setLength(int length)
        {
            if (length >= size) growSize(length);
            else for (int i = length; i < count; i++) array[i] = 0;
            count = length;
        }
    }