3 problems

  • 1
ID Problem Show tags Hide tags AC / Tried Difficulty
6814 NOIPJ2015A   金币 14 / 22 5
6815 NOIPJ2016A   买铅笔 13 / 50 7
6816 NOIPJ2018B   龙虎斗 5 / 38 8
  • 1

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