计算机三级
..........\1000至9999之间.txt
..........\100条记录的选票数据.txt
..........\200个整数读入数组xx中.txt
..........\3位数.txt
..........\4位数排序.txt
..........\产品销售记录.txt
..........\公式.txt
..........\字符串数组xx.txt
..........\杂类.txt
..........\素数.txt
..........\被两个整除.txt