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12
Codeforces Round 883 (Div. 3)
Jul/07/2023 17:35
41
8
+229
1644
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Expert
pgoq
→
pgoq
11
Codeforces Round 877 (Div. 2)
Jun/04/2023 17:45
3738
2
-6
1415
10
Educational Codeforces Round 148 (Rated for Div. 2)
May/12/2023 17:35
3958
3
-32
1421
9
Codeforces Round 860 (Div. 2)
Mar/26/2023 17:35
4655
2
-55
1453
8
Codeforces Round 858 (Div. 2)
Mar/18/2023 15:05
1494
3
+41
1508
7
Nebius Welcome Round (Div. 1 + Div. 2)
Mar/12/2023 17:35
1996
3
+68
1467
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Specialist
pgoq
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pgoq
6
Codeforces Round 841 (Div. 2) and Divide by Zero 2022
Dec/27/2022 17:35
5993
2
-17
1399
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Pupil
pgoq
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pgoq
5
CodeTON Round 3 (Div. 1 + Div. 2, Rated, Prizes!)
Nov/06/2022 17:35
2822
3
+110
1416
Became
Specialist
pgoq
→
pgoq
4
Codeforces Round 820 (Div. 3)
Sep/12/2022 17:35
434
5
+284
1306
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Pupil
pgoq
→
pgoq
3
Codeforces Round 805 (Div. 3)
Jul/10/2022 17:35
2002
5
+313
1022
2
Codeforces Round 804 (Div. 2)
Jul/04/2022 17:35
8937
2
+268
709
1
Codeforces Round 799 (Div. 4)
Jun/14/2022 17:35
6904
4
+441
441
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Codeforces Round 1097 (Div. 1, Based on Zhili Cup 2026)
44:08:38
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Codeforces Round 1097 (Div. 2, Based on Zhili Cup 2026)
44:08:40
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I made a free browser-based CP Tool for graph visualization, calculators, grids, and resources
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Codeforces Round 1097 (Div. 1, Div2, Based on Zhili Cup 2026)
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Croatian Olympiad in Informatics 2026
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Is my construction for this problem correct? Any counterexample?
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Errichto CP School — 1.05.2026 update
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Rule about third-party code is changing
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