Hello Codeforces!↵
↵
We are glad to invite you to [contest:1404] and [contest:1405], which will take place on [contest_time:1404].↵
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The problems were created by [user:Ari,2020-09-04], [user:Kuroni,2020-09-04], [user:Maripium,2020-09-04], [user:Monogon,2020-09-04], [user:antontrygubO_o,2020-09-04] and [user:hugopm,2020-09-04].↵
↵
We would like to thank:↵
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- [user:dorijanlendvaj,2020-09-04], [user:Jatana,2020-09-04] and [user:MrDecomposition,2020-09-04] for helping with the preparation of the tasks.↵
↵
- [user:gamegame,2020-09-04] for always being nice and supportive.↵
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- [user:DatVu,2020-09-04], [user:Maripium,2020-09-04], [user:MofK,2020-09-04] and [user:atoiz,2020-09-04] for stealing the round #666, forcing us to retheme around ponies.↵
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- [user:Monogon,2020-09-04] for making the author list more colorful.↵
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- [user:TwentyFour,2020-09-04], [user:thenymphsofdelphi,2020-09-04], [user:qlf9,2020-09-04], [user:mcfr,2020-09-04], [user:Tlatoani,2020-09-04], [user:i_love_Lisa,2020-09-04], [user:McDic,2020-09-04], [user:cup_of_tea,2020-09-04], [user:yann-dev,2020-09-04], [user:Noam527,2020-09-04], [user:Mbfibat,2020-09-04], [user:wolfris,2020-09-04], [user:ffao,2020-09-04], [user:Falseeee,2020-09-04], [user:fpc_coder,2020-09-04] and [user:fivefourthreeone,2020-09-04] for testing.↵
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- [user:MikeMirzayanov,2020-09-04] for the Codeforces and Polygon platforms.↵
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There will be **5 problems** in each division and will be given **2 hours** to solve them (or post memes in the comments if you can't solve any).↵
↵
We tried to make interesting problems, short statements, useful samples and strong pretests, and we hope you will like it.↵
↵
Scoring will be announced shortly **before** the round and editorial will be posted shortly **after** the round (it is already written).↵
↵
Good luck!↵
↵
**UPD:** The number of problems is now 5 in each division.↵
↵
**UPD2:** Score distribution:↵
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- Div.1: **500 — 1000 — 1500 — 2250 — 3000**↵
- Div.2 : **500 — 1000 — 1750 — 2250 — 3000**↵
↵
**UPD3:** [Editorial](https://mirror.codeforces.com/blog/entry/82366) is out↵
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**UPD4:** We are sorry for problem div1E being well-known. No setter or tester have seen this problem. We apologize and hope you still enjoyed the contest.↵
↵
**UPD5:** Congratulations to the winners:↵
↵
Div.1↵
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1. [user:maroonrk,2020-09-09]↵
2. [user:ainta,2020-09-09]↵
3. [user:ko_osaga,2020-09-09]↵
4. [user:Itst,2020-09-09]↵
5. [user:hos.lyric,2020-09-09]↵
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Div.2↵
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1. [user:minhchauxinhdep1234,2020-09-09]↵
2. [user:potato167,2020-09-09]↵
3. [user:guangmutianwang,2020-09-09]↵
4. [user:w_o_kje,2020-09-09]↵
5. [user:veckoper,2020-09-09]
↵
We are glad to invite you to [contest:1404] and [contest:1405], which will take place on [contest_time:1404].↵
↵
The problems were created by [user:Ari,2020-09-04], [user:Kuroni,2020-09-04], [user:Maripium,2020-09-04], [user:Monogon,2020-09-04], [user:antontrygubO_o,2020-09-04] and [user:hugopm,2020-09-04].↵
↵
We would like to thank:↵
↵
- [user:dorijanlendvaj,2020-09-04], [user:Jatana,2020-09-04] and [user:MrDecomposition,2020-09-04] for helping with the preparation of the tasks.↵
↵
- [user:gamegame,2020-09-04] for always being nice and supportive.↵
↵
- [user:DatVu,2020-09-04], [user:Maripium,2020-09-04], [user:MofK,2020-09-04] and [user:atoiz,2020-09-04] for stealing the round #666, forcing us to retheme around ponies.↵
↵
- [user:Monogon,2020-09-04] for making the author list more colorful.↵
↵
- [user:TwentyFour,2020-09-04], [user:thenymphsofdelphi,2020-09-04], [user:qlf9,2020-09-04], [user:mcfr,2020-09-04], [user:Tlatoani,2020-09-04], [user:i_love_Lisa,2020-09-04], [user:McDic,2020-09-04], [user:cup_of_tea,2020-09-04], [user:yann-dev,2020-09-04], [user:Noam527,2020-09-04], [user:Mbfibat,2020-09-04], [user:wolfris,2020-09-04], [user:ffao,2020-09-04], [user:Falseeee,2020-09-04], [user:fpc_coder,2020-09-04] and [user:fivefourthreeone,2020-09-04] for testing.↵
↵
- [user:MikeMirzayanov,2020-09-04] for the Codeforces and Polygon platforms.↵
↵
There will be **5 problems** in each division and will be given **2 hours** to solve them (or post memes in the comments if you can't solve any).↵
↵
We tried to make interesting problems, short statements, useful samples and strong pretests, and we hope you will like it.↵
↵
Scoring will be announced shortly **before** the round and editorial will be posted shortly **after** the round (it is already written).↵
↵
Good luck!↵
↵
**UPD:** The number of problems is now 5 in each division.↵
↵
**UPD2:** Score distribution:↵
↵
- Div.1: **500 — 1000 — 1500 — 2250 — 3000**↵
- Div.2 : **500 — 1000 — 1750 — 2250 — 3000**↵
↵
**UPD3:** [Editorial](https://mirror.codeforces.com/blog/entry/82366) is out↵
↵
**UPD4:** We are sorry for problem div1E being well-known. No setter or tester have seen this problem. We apologize and hope you still enjoyed the contest.↵
↵
**UPD5:** Congratulations to the winners:↵
↵
Div.1↵
↵
1. [user:maroonrk,2020-09-09]↵
2. [user:ainta,2020-09-09]↵
3. [user:ko_osaga,2020-09-09]↵
4. [user:Itst,2020-09-09]↵
5. [user:hos.lyric,2020-09-09]↵
↵
Div.2↵
↵
1. [user:minhchauxinhdep1234,2020-09-09]↵
2. [user:potato167,2020-09-09]↵
3. [user:guangmutianwang,2020-09-09]↵
4. [user:w_o_kje,2020-09-09]↵
5. [user:veckoper,2020-09-09]