第 31 届国际信息学奥林匹克(IOI 2019)于 8 月 4 日至 11 日在阿塞拜疆首都巴库举行。

8 月 6 日是本次竞赛的第一试,共包含三题(点击查看)。

8 月 8 日是本次竞赛的第二试,共包含三题。赛题如下:

https://cdn.china-scratch.com/timg/190810/131R54004-0.jpg

https://cdn.china-scratch.com/timg/190810/131RA443-1.jpg

https://cdn.china-scratch.com/timg/190810/131R62303-2.jpg

https://cdn.china-scratch.com/timg/190810/131RI0c-3.jpg

https://cdn.china-scratch.com/timg/190810/131RS3b-4.jpg

https://cdn.china-scratch.com/timg/190810/131RT252-5.jpg

https://cdn.china-scratch.com/timg/190810/131R95606-6.jpg

https://cdn.china-scratch.com/timg/190810/131R93T1-7.jpg

https://cdn.china-scratch.com/timg/190810/131S0F10-8.jpg

https://cdn.china-scratch.com/timg/190810/131S0D08-9.jpg

https://cdn.china-scratch.com/timg/190810/131S14396-10.jpg

https://cdn.china-scratch.com/timg/190810/131S24319-11.jpg

https://cdn.china-scratch.com/timg/190810/131S2K64-12.jpg

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