2021年2月4日
1041 Be Unique (20 分)
摘要： Being unique is so important to people on Mars that even their lottery is designed in a unique way. The rule of winning is simple: one bets on a numbe 阅读全文
posted @ 2021-02-04 23:47 XA科研 阅读(97) 评论(0) 推荐(0)
1032 Sharing (25 分)
摘要： To store English words, one method is to use linked lists and store a word letter by letter. To save some space, we may let the words share the same s 阅读全文
posted @ 2021-02-04 21:22 XA科研 阅读(54) 评论(0) 推荐(0)