Hi,↵
↵
This Sunday (Nov 15, 2020), there will be 2020 ICPC Vietnam National Contest on Kattis. This is the preliminary round before the Asia Vietnamese Regional. There will be online mirror after the contest.↵
↵
Details of **Online Mirror**:↵
↵
- Time: [1pm GMT+7](https://www.timeanddate.com/worldclock/fixedtime.html?msg=2020+ICPC+Vietnam+National+Online+Mirror&iso=20201115T13&p1=95&ah=5)↵
- [Contest Link](https://vietnam-national20open.kattis.com/)↵
↵
Details of **Official contest**:↵
↵
- Time: [8am GMT+7](https://www.timeanddate.com/worldclock/fixedtime.html?msg=2020+ICPC+Vietnam+National+Contest&iso=20201115T08&p1=95&ah=5)↵
- [Contest Link](https://vietnam-national20.kattis.com/)↵
↵
Problems prepared by:↵
↵
- [user:phamvanhanhgoldIOI2015,2020-11-15]↵
- [user:chemthan,2020-11-15]↵
- [user:I_love_Hoang_Yen,2020-11-15]↵
- [user:I_love_tigersugar,2020-11-15]↵
- [user:laoriu,2020-11-15]↵
- [user:ll931110,2020-11-15]↵
- [user:beo_chay_so,2020-11-15]↵
- and some professors from Vietnam.↵
↵
Contest difficulty won't be published before the contest. You can see our previous year contests below: (note that this year may be easier, more difficult or the same difficulty):↵
↵
- [2019 Vietnam National](https://vietnam-national19.kattis.com/); [CF announcement](https://codeforces.me/blog/entry/71040)↵
- [2019 Vietnam Regional](https://danang19.kattis.com/); [CF announcement](https://codeforces.me/blog/entry/72047)↵
- [2018 Vietnam National](https://vietnam-national18.kattis.com/)↵
- [2018 Vietnam Regional](https://hanoi18.kattis.com/)↵
- [2017 Vietnam National](https://vietnam-national17.kattis.com/)↵
- [2017 Vietnam Regional](https://hochiminh17.kattis.com)↵
- [Link to all ICPC Vietnam contests, some with solutions](http://icpcvn.github.io/)↵
↵
↵
**UPD**: For Vietnamese speaking folks, we will have a livestream at 8pm (GMT+7) where some problem authors will talk about solutions and other Q&A. Links to livestream will be put [on VNOI page](https://www.facebook.com/vnoi.wiki/)↵
↵
**UPD2**: The problems are now on [open Kattis](https://open.kattis.com/problem-sources/The%202020%20ICPC%20Vietnam%20National%20Contest)
↵
This Sunday (Nov 15, 2020), there will be 2020 ICPC Vietnam National Contest on Kattis. This is the preliminary round before the Asia Vietnamese Regional. There will be online mirror after the contest.↵
↵
Details of **Online Mirror**:↵
↵
- Time: [1pm GMT+7](https://www.timeanddate.com/worldclock/fixedtime.html?msg=2020+ICPC+Vietnam+National+Online+Mirror&iso=20201115T13&p1=95&ah=5)↵
- [Contest Link](https://vietnam-national20open.kattis.com/)↵
↵
Details of **Official contest**:↵
↵
- Time: [8am GMT+7](https://www.timeanddate.com/worldclock/fixedtime.html?msg=2020+ICPC+Vietnam+National+Contest&iso=20201115T08&p1=95&ah=5)↵
- [Contest Link](https://vietnam-national20.kattis.com/)↵
↵
Problems prepared by:↵
↵
- [user:phamvanhanhgoldIOI2015,2020-11-15]↵
- [user:chemthan,2020-11-15]↵
- [user:I_love_Hoang_Yen,2020-11-15]↵
- [user:I_love_tigersugar,2020-11-15]↵
- [user:laoriu,2020-11-15]↵
- [user:ll931110,2020-11-15]↵
- [user:beo_chay_so,2020-11-15]↵
- and some professors from Vietnam.↵
↵
Contest difficulty won't be published before the contest. You can see our previous year contests below: (note that this year may be easier, more difficult or the same difficulty):↵
↵
- [2019 Vietnam National](https://vietnam-national19.kattis.com/); [CF announcement](https://codeforces.me/blog/entry/71040)↵
- [2019 Vietnam Regional](https://danang19.kattis.com/); [CF announcement](https://codeforces.me/blog/entry/72047)↵
- [2018 Vietnam National](https://vietnam-national18.kattis.com/)↵
- [2018 Vietnam Regional](https://hanoi18.kattis.com/)↵
- [2017 Vietnam National](https://vietnam-national17.kattis.com/)↵
- [2017 Vietnam Regional](https://hochiminh17.kattis.com)↵
- [Link to all ICPC Vietnam contests, some with solutions](http://icpcvn.github.io/)↵
↵
↵
**UPD**: For Vietnamese speaking folks, we will have a livestream at 8pm (GMT+7) where some problem authors will talk about solutions and other Q&A. Links to livestream will be put [on VNOI page](https://www.facebook.com/vnoi.wiki/)↵
↵
**UPD2**: The problems are now on [open Kattis](https://open.kattis.com/problem-sources/The%202020%20ICPC%20Vietnam%20National%20Contest)
