比赛题
......\1（Caesar） 凯撒密码
......\....................\1 凯撒密码.txt
......\....................\estdout.pc2
......\2（Statistic）统计数字
......\......................\2 统计数字.txt
......\......................\estdout.pc2
......\......................\estdout.pc2.bak
......\3 （dependency）剔除相关数
......\..........................\3 剔除相关数.txt
......\..........................\dependency.txt
......\..........................\estdout.pc2
......\4 （purity）按纯度筛选
......\......................\4 按纯度筛选.txt
......\......................\estdout.pc2
......\......................\purity.txt
......\5（PrimeNumber）寻找素数
......\........................\5 寻找素数.txt
......\........................\estdout.pc2
......\........................\Goldbach.txt
......\6（CubeNumber）立方数与连续奇数和
......\.................................\CubeNumber.txt
......\.................................\estdout.pc2
......\.................................\立方数与连续奇数和.txt
......\7 (Xiao Ming)聪明的小明
......\.......................\7 (Xiao Ming)聪明的小明.txt
......\.......................\estdout.pc2
......\.......................\XiaoMing.txt