Hello Codeforces !!↵
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I, on behalf of the **InfInITy Team**, would like to invite you to take part in the 5th edition of IIIT Pune's flagship coding event **InfInITy 2k21**, a **rated contest** hosted by **CodeChef IIITP Chapter**, which will take place on [Wednesday, December 22, 2021, at 20:00 IST<sup>UTC+5.5</sup>](https://www.timeanddate.com/worldclock/fixedtime.html?msg=Infinity+2k21&iso=20211222T20&p1=176&ah=3). It is a **3 hr** long contest.↵
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The contest is **Rated for Div. 2 and Div. 3** on Codechef, but Div. 1 coders are encouraged to participate unofficially as there are prizes for top participants in combined(Div. 1 + Div. 2) ranklist. We'd be offering you **8** problems in Div 2 and **7** problems in Div 3 with varying difficulties. ↵
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<span style="color:red"> **CASH PRIZES** </span> : ↵
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- Top 3 performers **(Div1 + Div 2 combined)** will be awarded cash prize of **INR 10000, 7000 & 3000** respectively. Top performer of **Div3** will be awarded **INR 2000**. ↵
- Top **2** Indian participants will be rewarded **INR 4000 & 2000** respectively(for Div1 + Div2 participants). ↵
- Prizes worth **INR 10000** specially for IIIT Pune students.↵
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**Contest Link** : [www.codechef.com/INFI2021](http://www.codechef.com/INFI2021) ↵
**Contest Timing** : 20:00 to 23:00 IST ↵
**Registration For Prizes :** [Infinity Website](http://infinity.iiitp.ac.in) or [Google Form](https://docs.google.com/forms/d/e/1FAIpQLSdtc9lC10TVgzpibs3K71VC0LbG8nh8LvOiwEswxvP2rP6hSg/viewform)↵
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I would really like to thank: ↵
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- [user:evilbuggy,2021-12-20] for providing great feedback on the problem set.↵
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- [user:silentone,2021-06-21], [user:still_me,2021-12-20], [user:holocaust,2020-11-02], [user:satty26,2021-12-20], [user:reyaan44,2021-12-20] for setting & testing the problems with me.↵
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- [user:abhi2402,2021-03-29], [user:darshancool25,2020-08-05], [user:iscsi,2016-08-23], [user:arpan491,2021-12-20], [user:DeadlyVelocity,2021-12-20] for testing the problems and giving valualable feedback. ↵
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- The web development team([user:rakshitjain13,2021-12-02], [user:rushitote,2021-12-20]) for building an awesome website for the contest.↵
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- Codechef for sponsoring the event, their invaluable help and great platform.↵
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- [**BiT Legion**](https://www.instagram.com/bit.iiitp/) for making this contest possible.↵
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For any queries contact: [email protected] ↵
Editorials for all the questions will be posted shortly after the contest ends!. ↵
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Past problem sets for the event: [2020](https://www.codechef.com/INFY20), [2019](https://www.codechef.com/INFY2019)↵
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I hope you will enjoy solving the problems. Please give your feedback on the problem set in the comments below, after the contest.↵
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UPD: Congratulations to the winners.↵
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Div 1 + 2:↵
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1. [user:tourist,2021-12-23]↵
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2. [user:Geothermal,2021-12-23]↵
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3. [user:kal013,2021-12-23]↵
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Div 3:↵
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1. hit6646↵
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2. taoran_chen↵
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3. piccacu↵
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All editorials have been published on [codechef discuss](https://discuss.codechef.com/search?q=tags%3Aeditorial%2Binfi2021).
↵
I, on behalf of the **InfInITy Team**, would like to invite you to take part in the 5th edition of IIIT Pune's flagship coding event **InfInITy 2k21**, a **rated contest** hosted by **CodeChef IIITP Chapter**, which will take place on [Wednesday, December 22, 2021, at 20:00 IST<sup>UTC+5.5</sup>](https://www.timeanddate.com/worldclock/fixedtime.html?msg=Infinity+2k21&iso=20211222T20&p1=176&ah=3). It is a **3 hr** long contest.↵
↵
The contest is **Rated for Div. 2 and Div. 3** on Codechef, but Div. 1 coders are encouraged to participate unofficially as there are prizes for top participants in combined(Div. 1 + Div. 2) ranklist. We'd be offering you **8** problems in Div 2 and **7** problems in Div 3 with varying difficulties. ↵
↵
<span style="color:red"> **CASH PRIZES** </span> : ↵
↵
- Top 3 performers **(Div1 + Div 2 combined)** will be awarded cash prize of **INR 10000, 7000 & 3000** respectively. Top performer of **Div3** will be awarded **INR 2000**. ↵
- Top **2** Indian participants will be rewarded **INR 4000 & 2000** respectively(for Div1 + Div2 participants). ↵
- Prizes worth **INR 10000** specially for IIIT Pune students.↵
↵
**Contest Link** : [www.codechef.com/INFI2021](http://www.codechef.com/INFI2021) ↵
**Contest Timing** : 20:00 to 23:00 IST ↵
**Registration For Prizes :** [Infinity Website](http://infinity.iiitp.ac.in) or [Google Form](https://docs.google.com/forms/d/e/1FAIpQLSdtc9lC10TVgzpibs3K71VC0LbG8nh8LvOiwEswxvP2rP6hSg/viewform)↵
↵
↵
↵
I would really like to thank: ↵
↵
- [user:evilbuggy,2021-12-20] for providing great feedback on the problem set.↵
↵
- [user:silentone,2021-06-21], [user:still_me,2021-12-20], [user:holocaust,2020-11-02], [user:satty26,2021-12-20], [user:reyaan44,2021-12-20] for setting & testing the problems with me.↵
↵
- [user:abhi2402,2021-03-29], [user:darshancool25,2020-08-05], [user:iscsi,2016-08-23], [user:arpan491,2021-12-20], [user:DeadlyVelocity,2021-12-20] for testing the problems and giving valualable feedback. ↵
↵
- The web development team([user:rakshitjain13,2021-12-02], [user:rushitote,2021-12-20]) for building an awesome website for the contest.↵
↵
- Codechef for sponsoring the event, their invaluable help and great platform.↵
↵
- [**BiT Legion**](https://www.instagram.com/bit.iiitp/) for making this contest possible.↵
↵
For any queries contact: [email protected] ↵
Editorials for all the questions will be posted shortly after the contest ends!. ↵
↵
Past problem sets for the event: [2020](https://www.codechef.com/INFY20), [2019](https://www.codechef.com/INFY2019)↵
↵
I hope you will enjoy solving the problems. Please give your feedback on the problem set in the comments below, after the contest.↵
↵
UPD: Congratulations to the winners.↵
↵
Div 1 + 2:↵
↵
1. [user:tourist,2021-12-23]↵
↵
2. [user:Geothermal,2021-12-23]↵
↵
3. [user:kal013,2021-12-23]↵
↵
Div 3:↵
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1. hit6646↵
↵
2. taoran_chen↵
↵
3. piccacu↵
↵
All editorials have been published on [codechef discuss](https://discuss.codechef.com/search?q=tags%3Aeditorial%2Binfi2021).
