学科竞赛网讯 昨天我们为大家同步了第 31 届国际信息学奥林匹克(IOI 2019)竞赛第一试的英文试题,很多家长和考生在后台询问第二日试题以及中文版试题。因此我们特意整理了两日的中文赛题,供大家参考:

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