摘要: 1048 Find Coins (25分) Eva loves to collect coins from all over the universe, including some other planets like Mars. One day she v... 阅读全文
posted @ 2020-03-09 19:57 Hu_YaYa 阅读(13) 评论(0) 推荐(0)
摘要: 1050 String Subtraction (20分) Given two strings S​1​​ and S​2​​, S=S​1​​−S​2​​ is defined to be the remaining string after taking ... 阅读全文
posted @ 2020-03-09 19:23 Hu_YaYa 阅读(16) 评论(0) 推荐(0)
摘要: 1041 Be Unique (20分) Being unique is so important to people on Mars that even their lottery is designed in a unique way. The rule ... 阅读全文
posted @ 2020-03-09 19:05 Hu_YaYa 阅读(17) 评论(0) 推荐(0)
摘要: 1092 To Buy or Not to Buy (20分) Eva would like to make a string of beads with her favorite colors so she went to a small shop to b... 阅读全文
posted @ 2020-03-09 17:24 Hu_YaYa 阅读(17) 评论(0) 推荐(0)
摘要: 1084 Broken Keyboard (20分) On a broken keyboard, some of the keys are worn out. So when you type some sentences, the characters c... 阅读全文
posted @ 2020-03-09 12:19 Hu_YaYa 阅读(22) 评论(0) 推荐(0)