View problem - Tracks in the Snow (BOI13_tracks)

Time limit Memory limit # of submissions # of accepted Ratio
2000 ms 1024 MiB 1689 550 32.56%

Unfortunately, the maximum possible memory limit for this judge is 1024 MiB, so the memory limit is 1024 MiB instead of 1300MB (1239MiB). Also, we don't know the exact scoring rules, so your score may be different from the official contest.

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