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Description 小明听说打地鼠是一件很好玩的游戏，于是他也开始打地鼠。地鼠只有一只，而且一共有N个洞，编号为1到N排成一排，两边是墙壁，小明当然不可能百分百打到，因为他不知道地鼠在哪个洞。小明只能在白天打地鼠，而且每次打了都觉得好累，感觉再也不会打了，必须休息到第二天才能再次打地鼠，也就是说 阅读全文
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Description Railway tickets were difficult to buy around the Lunar New Year in China, so we must get up early and join a long queue… The Lunar New Yea 阅读全文
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Description Input Output Sample Input 3A+00A+A+ 00B+D+A- B-C+00C+ Sample Output bounded Hint 题解 阅读全文
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Description Input Output Sample Input 10 49743636 36679 707182 9310618 9814768 2315242 9916077 3523368 4627723 1532404 81 Sample Output 0.465308 Hint 阅读全文
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Description You are working for Macrohard company in data structures department. After failing your previous task about key insertion you were asked t 阅读全文