[HackerEarth] Xenny drove in a popular racing championship called Formula 0. His long-distant friend Mr. Kmcode had made a racing track for him in RSQLand. To entertain the public, he used to keep a d - 题解

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题号 P17709
标题 [HackerEarth] Xenny drove in a popular racing championship called Formula 0. His long-distant friend Mr. Kmcode had made a racing track for him in RSQLand. To entertain the public, he used to keep a d
难度 普及
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