摘要: 搞出一道2700的数学题使我的心中又一次充满了虚假的信心。。。QAQ You have \(c_1\) letters 'a', \(c_2\) letters 'b', ..., \(c_{26}\) letters 'z'. You want to build a beautiful strin 阅读全文
posted @ 2021-04-09 19:51 dudw 阅读(112) 评论(2) 推荐(0)