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Jacquez and Alia’s parents take them on many road trips. To keep themselves occupied, they play a triangular peg game, meant for one player. In the or 阅读全文
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With modern technology advancement, it is now possible to deliver mail with a robot! There is a neighborhood on a long horizontal road, on which there 阅读全文
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Bingo is a game of chance played by a group of players. Each player has his or her own bingo card with a 55-by-55grid of numbers. Each number appears 阅读全文
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DreamGrid went to the bookshop yesterday. There are books in the bookshop in total. Because DreamGrid is very rich, he bought the books according to t 阅读全文
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Let's introduce a number system which is based on a roman digits. There are digits I, V, X, L which correspond to the numbers 11, 55, 1010 and 5050 re 阅读全文
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在天梯赛被L1-8“弄死“”之后练的题目 If you ever tried to read a html document on a Macintosh, you know how hard it is if no Netscape is installed. Now, who can forge 阅读全文