### Hello / 你好,Codeforces!↵
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We are really excited to invite you to participate in [contest:2249] and [contest:2250], which will be held on [contest_time:2249].↵
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For both division 1 and division 2, you will be given **2.5 hours** to solve **6 problems** in each division.↵
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The problems were authored and prepared by [user:aaa_pigeon2,2026-07-21], [user:_MCYYDS_,2026-07-21], [user:131241,2026-07-21], [user:Oken,2026-07-21], and [user:jhvjh,2026-07-21].↵
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We would really like to thank the following people for making this round possible:↵
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- [user:Error_Yuan,2026-07-21] for the great coordination.↵
- [user:_istil,2026-07-21] and [user:ukbwyx,2026-07-21] for optimizing some details of problems.↵
- [user:tiger2005,2026-07-21], [user:starsilk,2026-07-25] for black red testing.↵
- [user:RockyYue,2026-07-21], [user:WangYuanyi,2026-07-21], [user:_istil,2026-07-21], [user:Portulaca,2026-07-21], [user:jason_sun,2026-07-21], [user:wangmarui,2026-07-21], [user:N_z__,2026-07-21] for red testing.↵
- [user:Watersphere,2026-07-21], [user:zac2010,2026-07-21], [user:_luqyou_,2026-07-21], [user:ukbwyx,2026-07-21], [user:cdx123456,2026-07-21], [user:Arpa,2026-07-21], [user:a_little_cute,2026-07-22] for orange testing.↵
- [user:yllls,2026-07-21], [user:Fa_Nanf1204,2026-07-21] for purple testing.↵
- [user:1234567890regis,2026-07-21], [user:qym110809,2026-07-21], [user:wusixuan,2026-07-21] for blue testing.↵
- [user:ini_____,2026-07-21] for green testing.↵
- [user:MikeMirzayanov,2026-07-21] and [user:KAN,2026-07-21] for the great Codeforces and Polygon platforms.↵
- <a class="rated-user user-4000" title="You You" href="/profile">You</a> for participating in this round.↵
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The score distribution is as follows:↵
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- **Div. 1**: $750 - 1250 - 1750 - 2250 - (2250 + 1750) - 3500$↵
- **Div. 2**: $500 - 750 - 1500 - 2000 - 2500 - 3000$↵
↵
UPD: [Editorial](https://codeforces.me/blog/entry/155516)
↵
We are really excited to invite you to participate in [contest:2249] and [contest:2250], which will be held on [contest_time:2249].↵
↵
For both division 1 and division 2, you will be given **2.5 hours** to solve **6 problems** in each division.↵
↵
The problems were authored and prepared by [user:aaa_pigeon2,2026-07-21], [user:_MCYYDS_,2026-07-21], [user:131241,2026-07-21], [user:Oken,2026-07-21], and [user:jhvjh,2026-07-21].↵
↵
We would really like to thank the following people for making this round possible:↵
↵
- [user:Error_Yuan,2026-07-21] for the great coordination.↵
- [user:_istil,2026-07-21] and [user:ukbwyx,2026-07-21] for optimizing some details of problems.↵
- [user:tiger2005,2026-07-21], [user:starsilk,2026-07-25] for black red testing.↵
- [user:RockyYue,2026-07-21], [user:WangYuanyi,2026-07-21], [user:_istil,2026-07-21], [user:Portulaca,2026-07-21], [user:jason_sun,2026-07-21], [user:wangmarui,2026-07-21], [user:N_z__,2026-07-21] for red testing.↵
- [user:Watersphere,2026-07-21], [user:zac2010,2026-07-21], [user:_luqyou_,2026-07-21], [user:ukbwyx,2026-07-21], [user:cdx123456,2026-07-21], [user:Arpa,2026-07-21], [user:a_little_cute,2026-07-22] for orange testing.↵
- [user:yllls,2026-07-21], [user:Fa_Nanf1204,2026-07-21] for purple testing.↵
- [user:1234567890regis,2026-07-21], [user:qym110809,2026-07-21], [user:wusixuan,2026-07-21] for blue testing.↵
- [user:ini_____,2026-07-21] for green testing.↵
- [user:MikeMirzayanov,2026-07-21] and [user:KAN,2026-07-21] for the great Codeforces and Polygon platforms.↵
- <a class="rated-user user-4000" title="You You" href="/profile">You</a> for participating in this round.↵
↵
The score distribution is as follows:↵
↵
- **Div. 1**: $750 - 1250 - 1750 - 2250 - (2250 + 1750) - 3500$↵
- **Div. 2**: $500 - 750 - 1500 - 2000 - 2500 - 3000$↵
↵
UPD: [Editorial](https://codeforces.me/blog/entry/155516)




