摘要:
A role-playing game (RPG and sometimes roleplaying game) is a game in which players assume the roles of characters in a fictional setting. Players tak 阅读全文
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After this year’s college-entrance exam, the teacher did a survey in his class on students’ score. There are n students in the class. The students did 阅读全文
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A password locker with N digits, each digit can be rotated to 0-9 circularly. You can rotate 1-3 consecutive digits up or down in one step. For exampl 阅读全文
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Alice and Bob are the topmost hunters in the forest, so no preys can escape from them. However, they both think that its hunting skill is better than 阅读全文
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mmm is learning division, she's so proud of herself that she can figure out the sum of all the divisors of numbers no larger than 100 within one day! 阅读全文