利用for循环的自动索引功能从一个输入数字中依次抽取各个元素，如果是大于0的数则添加到正数数组，如果是小于0的则添加到负数数组。并分别计算两个数组中各自有多少个元素。-Used for automatic indexing loop input from a number of different elements in the order drawn, if the number is greater than 0 are added to the positive array, if it