Hello Codeforces! Me and [user:yud08,2024-10-20] are excited to invite you to take part in [contest:2027], which starts on [contest_time:2027]. You will be given **5 problems** and **2 hours** to solve them. Two problems are divided into two subtasks.↵
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This round will be rated for all participants whose rating is **strictly below 2100**.↵
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The problems were authored by me and [user:yud08,2024-10-20], and prepared by me.↵
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We would like to thank:↵
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- [user:abc864197532,2024-10-20] and [user:vladithur,2024-10-20] for an amazing double coordination.↵
- [user:Alexdat2000,2024-10-20] for translating the statements to Russian.↵
- [user:BurnedChicken,2024-10-20] for LGM testing.↵
- [user:BucketPotato,2024-10-20], [user:Fysty,2024-10-20], [user:alvingogo,2024-10-20], and [user:WiwiHo,2024-10-20] for red testing.↵
- [user:sammyuri,2024-10-20], [user:anango,2024-10-20], [user:jay_jayjay,2024-10-20], [user:amsraman,2024-10-20], [user:Intellegent,2024-10-20], [user:valeriu,2024-10-20], [user:erekle,2024-10-20], and [user:golions,2024-10-20] for orange testing.↵
- [user:Beacon,2024-10-20], [user:iceylemon157,2024-10-20], and [user:LittlePants,2024-10-20] for purple testing.↵
- [user:Jasonwei08,2024-10-20], [user:godgenji,2024-10-20], [user:Banis,2024-10-20], [user:temmieowo,2024-10-20] and [user:Arthas,2024-10-20] for blue testing.↵
- [user:t0rtik,2024-10-20], [user:lumid,2024-10-20], and [user:AG-88301,2024-10-20] for cyan testing.↵
- [user:vatzahellmen,2024-10-20] for green testing.↵
- [user:MikeMirzayanov,2024-10-20] for the Polygon and Codeforces platforms.↵
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We hope you enjoy the problems!↵
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**Score Distribution:** $500 - 1000 - 1250 - (1250 + 1000) - (2000 + 1000)$ ↵
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We actually wanted to continue the trend of posting photos of contest writers, but we could only find one photo containing both of us, which was a group photo that we took with some other UK informatics people! (I'm the one in the back of the picture who is wearing the MHC T-shirt and [user:yud08,2024-10-23] is the one whose head is popping out from the left side of the photo.)↵
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<img src="https://i.ibb.co/8N9rp4y/20240921-153321.jpg" alt="20240921-153321" height="400px" />↵
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**UPD1**: Congratulations to the winners of the contests:↵
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Div 1:↵
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1. [user:jiangly,2024-10-26]↵
2. [user:neal,2024-10-26]↵
3. [user:SSerxhs,2024-10-26]↵
4. [user:A_G,2024-10-26]↵
5. [user:kotatsugame,2024-10-26]↵
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Div 2:↵
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1. [user:nathan_higgs,2024-10-26]↵
2. [user:purupurupururin,2024-10-26]↵
3. [user:Nonoze,2024-10-26]↵
4. [user:Hong_Meiling,2024-10-26]↵
5. [user:Nika_Tamliani,2024-10-26]↵
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Also, first solves! (if any of these are wrong please let me know)↵
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- A: [user:A_G,2024-10-26] in 00:00:45↵
- B: [user:A_G,2024-10-26] in 00:03:01↵
- C: [user:Alex239,2024-10-26] in 00:05:09↵
- D1: [user:74TrAkToR,2024-10-26] in 00:09:21↵
- D2: [user:74TrAkToR,2024-10-26] in 00:18:51↵
- E1: [user:jiangly,2024-10-26] in 00:38:36↵
- E2: [user:jiangly,2024-10-26] in 01:01:08↵
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**UPD2**: Editorial is available [here](https://mirror.codeforces.com/blog/entry/135558)
↵
This round will be rated for all participants whose rating is **strictly below 2100**.↵
↵
The problems were authored by me and [user:yud08,2024-10-20], and prepared by me.↵
↵
We would like to thank:↵
↵
- [user:abc864197532,2024-10-20] and [user:vladithur,2024-10-20] for an amazing double coordination.↵
- [user:Alexdat2000,2024-10-20] for translating the statements to Russian.↵
- [user:BurnedChicken,2024-10-20] for LGM testing.↵
- [user:BucketPotato,2024-10-20], [user:Fysty,2024-10-20], [user:alvingogo,2024-10-20], and [user:WiwiHo,2024-10-20] for red testing.↵
- [user:sammyuri,2024-10-20], [user:anango,2024-10-20], [user:jay_jayjay,2024-10-20], [user:amsraman,2024-10-20], [user:Intellegent,2024-10-20], [user:valeriu,2024-10-20], [user:erekle,2024-10-20], and [user:golions,2024-10-20] for orange testing.↵
- [user:Beacon,2024-10-20], [user:iceylemon157,2024-10-20], and [user:LittlePants,2024-10-20] for purple testing.↵
- [user:Jasonwei08,2024-10-20], [user:godgenji,2024-10-20], [user:Banis,2024-10-20], [user:temmieowo,2024-10-20] and [user:Arthas,2024-10-20] for blue testing.↵
- [user:t0rtik,2024-10-20], [user:lumid,2024-10-20], and [user:AG-88301,2024-10-20] for cyan testing.↵
- [user:vatzahellmen,2024-10-20] for green testing.↵
- [user:MikeMirzayanov,2024-10-20] for the Polygon and Codeforces platforms.↵
↵
We hope you enjoy the problems!↵
↵
**Score Distribution:** $500 - 1000 - 1250 - (1250 + 1000) - (2000 + 1000)$ ↵
↵
We actually wanted to continue the trend of posting photos of contest writers, but we could only find one photo containing both of us, which was a group photo that we took with some other UK informatics people! (I'm the one in the back of the picture who is wearing the MHC T-shirt and [user:yud08,2024-10-23] is the one whose head is popping out from the left side of the photo.)↵
↵
<img src="https://i.ibb.co/8N9rp4y/20240921-153321.jpg" alt="20240921-153321" height="400px" />↵
↵
**UPD1**: Congratulations to the winners of the contests:↵
↵
Div 1:↵
↵
1. [user:jiangly,2024-10-26]↵
2. [user:neal,2024-10-26]↵
3. [user:SSerxhs,2024-10-26]↵
4. [user:A_G,2024-10-26]↵
5. [user:kotatsugame,2024-10-26]↵
↵
Div 2:↵
↵
1. [user:nathan_higgs,2024-10-26]↵
2. [user:purupurupururin,2024-10-26]↵
3. [user:Nonoze,2024-10-26]↵
4. [user:Hong_Meiling,2024-10-26]↵
5. [user:Nika_Tamliani,2024-10-26]↵
↵
Also, first solves! (if any of these are wrong please let me know)↵
↵
- A: [user:A_G,2024-10-26] in 00:00:45↵
- B: [user:A_G,2024-10-26] in 00:03:01↵
- C: [user:Alex239,2024-10-26] in 00:05:09↵
- D1: [user:74TrAkToR,2024-10-26] in 00:09:21↵
- D2: [user:74TrAkToR,2024-10-26] in 00:18:51↵
- E1: [user:jiangly,2024-10-26] in 00:38:36↵
- E2: [user:jiangly,2024-10-26] in 01:01:08↵
↵
**UPD2**: Editorial is available [here](https://mirror.codeforces.com/blog/entry/135558)
