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An army of ants walk on a horizontal pole of length l cm, each with a constant speed of 1 cm/s. When a walking ant reaches an end of the pole, it imme 阅读全文
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On another floor of the A.R.C. Markland-N, the young man Simon "Xenon" Jackson, takes a break after finishing his project early (as always). Having a 阅读全文
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UVA - 11300 Spreading the Wealth Description A Communist regime is trying to redistribute wealth in a village. They have have decided to sit everyonea 阅读全文
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题目链接 Farmer John has arranged his N (1 ≤ N ≤ 5,000) cows in a row and many of them are facing forward, like good cows. Some of them are facing backwar 阅读全文
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NEKO#ΦωΦ has just got a new maze game on her PC! The game's main puzzle is a maze, in the forms of a 2×n2×n rectangle grid. NEKO's task is to lead a N 阅读全文