求翻译：蛇的活动区域是由若干个小方格组成的。当这些小方格呈现灰色时，便表示蛇身。设整个区域由m×n个方格组成，最左上角的方格坐标为（0, 0）。蛇是由若干个邻的方格组成的，将这些方格的坐标依蛇头至蛇尾的次序存入到一个数组中便代表了蛇身。当蛇在游戏区域中“游动”一格时，所对应的数组操作应该是，将新的位置坐标插入到数组头部，同时将数组中最后一个元素删除。这项工作可以用一个一般的数组来完成，但当进行插入操作时需要自己移动数组中的元素；也可以使用CArray来完成这些工作，CArray的成员函数提供了需要的操作，这样做简单一些。是什么意思？

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Snake's activities by regional is composed of several small squares. When these small box showing a gray, it means that snake. located throughout the region by m × n-box at the upper left corner of the box, the coordinates of (0, 0 ). Snake is a neighbor of the squares formed by a number of these sq

Snake range is made up of several small squares. When the small squares shaded, will snake. Set the entire region is made up of MXN square, most left corner of the grid coordinates are (0, 0). Snake is made up of several adjacent squares, these grid coordinates by snakeheads to snake-tail sequence i