实验任务 已知含有 n 个整数的数列 a，初始时，在数列的左端有一长度为 m 的窗口。该窗口每次 向右移动，直到结束。-The experimental tasks known to contain n an integer number of columns A, initially, the number of the left end of the column has a length of a window of m. The window each time you move