小白必做
You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.
小白必做 ^_^
没有输入和输出~
记得定义主函数
You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.
小白必做 ^_^
没有输入和输出~
记得定义主函数
