[HackerEarth] Russy loves to play games. This problem is about a game he recently played. In the game there are N locations, numbered 0 through N-1. Each location has one entrance and one exit. You ar - 题解

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题目信息
题号 P20032
标题 [HackerEarth] Russy loves to play games. This problem is about a game he recently played. In the game there are N locations, numbered 0 through N-1. Each location has one entrance and one exit. You ar
难度 普及
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