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Hello Codeforces community!↵
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On December 23, we organized the first International Lotfi Zadeh Olympiad in honor of well-known scientist Lotfi A. Zadeh.↵
You can look at the [olympiad website](https://lotfizadeh.org/) if you wish to know more about it.↵
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We are also organizing the online mirror of the olympiad. Everyone is welcome to participate!↵
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1. You will have **5 hours** to solve **4** IOI like tasks.↵
2. Task statements will be available in **English and Azerbaijani**↵
3. Allowed programming language: **C++**↵
4. Submission limit per task: **50**↵
5. Mirror contest will start at [24 December 2021, 22:00 (UTC +04)](https://www.timeanddate.com/worldclock/fixedtime.html?msg=ILO+2021+-+Online+Mirror+&iso=20211224T22&p1=369) and will be available for **72 hours**. You can take part in any 5 hours window of your choice.↵
6. Contest is available at [http://217.160.75.124](http://217.160.75.124). You first need to register and then use the same username/password to log into the system.↵
7. The **ranking** of the online mirror will be available at [http://217.160.75.124:8890/Ranking.html](http://217.160.75.124:8890/Ranking.html)↵
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Authors of the tasks are [user:Nots0fast,2021-12-24], [user:TooNewbie,2021-12-24], and [user:Mamedov,2021-12-24]↵
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Hello Codeforces community!↵
↵
On December 23, we organized the first International Lotfi Zadeh Olympiad in honor of well-known scientist Lotfi A. Zadeh.↵
You can look at the [olympiad website](https://lotfizadeh.org/) if you wish to know more about it.↵
↵
We are also organizing the online mirror of the olympiad. Everyone is welcome to participate!↵
↵
1. You will have **5 hours** to solve **4** IOI like tasks.↵
2. Task statements will be available in **English and Azerbaijani**↵
3. Allowed programming language: **C++**↵
4. Submission limit per task: **50**↵
5. Mirror contest will start at [24 December 2021, 22:00 (UTC +04)](https://www.timeanddate.com/worldclock/fixedtime.html?msg=ILO+2021+-+Online+Mirror+&iso=20211224T22&p1=369) and will be available for **72 hours**. You can take part in any 5 hours window of your choice.↵
6. Contest is available at [http://217.160.75.124](http://217.160.75.124). You first need to register and then use the same username/password to log into the system.↵
7. The **ranking** of the online mirror will be available at [http://217.160.75.124:8890/Ranking.html](http://217.160.75.124:8890/Ranking.html)↵
↵
Authors of the tasks are [user:Nots0fast,2021-12-24], [user:TooNewbie,2021-12-24], and [user:Mamedov,2021-12-24]↵
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