欢迎大家加入我们的团队：https://www.luogu.org/team/show?teamid=2104 by 已注销ZPN2xWdk @ 2017-03-19 19:55:47
你得先将字符转化为所对应数字再进行运算 比如将a\*=key[i]改为a\*=(key[i]-64); by 月祖儿 @ 2017-03-25 20:29:21