Problems
| Problem |
|---|
| A 舞蹈机器人（dance） 1000ms 256MiB Submit |
| B 狗是啥呀（dog） 1000ms 256MiB Submit |
| C 枢纽（junction） 1000ms 256MiB Submit |
| D 魔法药水（potion） 1000ms 256MiB Submit |
Submissions
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Contest Clarifications
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