Codeforces Round 1112 (Div. 1, Div. 2)
Difference between en7 and en8, changed 61 character(s)
### 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**: $500 - 750 - 1500 - 2000 - 2500 - 3000$↵
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UPD: [Editoral](https://codeforces.me/blog/entry/155516)

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en10 English _MCYYDS_ 2026-07-28 12:29:23 396
en9 English _MCYYDS_ 2026-07-28 09:41:14 1 Tiny change: 'D: [Editoral](https:' -> 'D: [Editorial](https:'
en8 English _MCYYDS_ 2026-07-26 22:21:16 61
en7 English _MCYYDS_ 2026-07-25 02:44:32 28 Tiny change: '026-07-21] for blac' -> '026-07-21], [user:starsilk] for blac'
en6 English _MCYYDS_ 2026-07-23 10:49:36 0 (published)
en5 English _MCYYDS_ 2026-07-23 10:49:18 4 Tiny change: '+ 1750) - 4000$\n- *' -> '+ 1750) - 3500$\n- *'
en4 English _MCYYDS_ 2026-07-22 19:04:38 33 Tiny change: '026-07-21] for oran' -> '026-07-21], [user:a_little_cute] for oran'
en3 English _MCYYDS_ 2026-07-22 18:42:42 343
en2 English Error_Yuan 2026-07-22 07:21:21 4
en1 English _MCYYDS_ 2026-07-22 07:17:31 1811 Initial revision (saved to drafts)