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19
Codeforces Round 785 (Div. 2)
Apr/30/2022 17:35
1836
3
+15
1521
18
Codeforces Round 773 (Div. 2)
Feb/23/2022 13:10
1836
3
+2
1506
17
Codeforces Round 459 (Div. 2)
Jan/29/2018 17:35
4171
1
-113
1504
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Sor4ii
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Sor4ii
16
Codecraft-18 and Codeforces Round 458 (Div. 1 + Div. 2, combined)
Jan/20/2018 18:35
953
2
+64
1617
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Expert
Sor4ii
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Sor4ii
15
Educational Codeforces Round 36 (Rated for Div. 2)
Jan/13/2018 16:05
1808
2
-51
1553
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Sor4ii
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Sor4ii
14
Hello 2018
Jan/08/2018 17:45
2330
2
-21
1604
13
Codeforces Round 456 (Div. 2)
Jan/05/2018 17:35
1168
2
-19
1625
12
Good Bye 2017
Dec/29/2017 18:40
862
3
+117
1644
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Expert
Sor4ii
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Sor4ii
11
Educational Codeforces Round 35 (Rated for Div. 2)
Dec/28/2017 17:05
1381
3
-21
1527
10
Codeforces Round 454 (Div. 2, based on Technocup 2018 Elimination Round 4)
Dec/23/2017 17:05
2043
1
-61
1548
Became
Specialist
Sor4ii
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Sor4ii
9
Codeforces Round 453 (Div. 2)
Dec/19/2017 18:35
494
3
+66
1609
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Expert
Sor4ii
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Sor4ii
8
Codeforces Round 452 (Div. 2)
Dec/17/2017 09:35
1754
2
-79
1543
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Specialist
Sor4ii
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Sor4ii
7
Codeforces Round 451 (Div. 2)
Dec/16/2017 14:35
801
3
-3
1622
6
Codeforces Round 450 (Div. 2)
Dec/11/2017 19:05
258
3
+102
1625
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Expert
Sor4ii
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Sor4ii
5
Codeforces Round 449 (Div. 2)
Dec/02/2017 17:05
2496
1
-39
1523
4
Codeforces Round 448 (Div. 2)
Nov/26/2017 19:05
1313
1
-32
1562
3
Codeforces Round 440 (Div. 2, based on Technocup 2018 Elimination Round 2)
Oct/15/2017 11:05
329
3
+85
1594
2
Codeforces Round 438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined)
Oct/05/2017 10:05
1353
2
-15
1509
1
Codeforces Round 433 (Div. 2, based on Olympiad of Metropolises)
Sep/06/2017 15:55
977
3
+24
1524
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Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2)
31:31:01
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3559
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3541
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Hamsar
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Common Math Formulas and Tricks Used in Competitive Programming
Hamsar
→
Some useful Bit Manipulation Tricks
__chemical
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Why a lot of newbies spend their time trying to catch someone cheating instead of solving problems?
AksLolCoding
→
Codeforces Round 1084 (Div. 3) Editorial
adaptatron
→
[Video]: The concept of tight in Bit Manipulation ft. CF2180C
ahmadexe
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Is competitive programming really for me?
rsj
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TypeDB Forces 2023 (Div. 1 + Div. 2, Rated, Prizes!) Editorial
CutieSmileHaruka
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Spectral::Cup 2026 Round 1 (Codeforces Round 1094, Div. 1 + Div. 2)
tourist1331
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What are your tricks and tips for National Olympiads?
MishkatIT
→
Blitz1v1 — A Real-Time 1v1 Coding Battle Platform
BledDest
→
Educational Codeforces Round 189 — Editorial
MaximusAurelius
→
EJOI 2026 Teams
Swap-nil
→
Codeforces Round #956 (Div. 2) and ByteRace 2024 Editorial
chromate00
→
Codeforces Round 1080 (Div. 3) Editorial
imshrey_0006
→
How to Increase Codeforces Rating (Practical Tips)
AlexandruINV
→
A Friendly Competitive Programming Discord Server!
muratraqli01
→
From Beginner to Problem Solver: How I Improved My Competitive Programming Thinking
MathModel
→
Invitation to Eolymp Weekend Practice #23
Jamshed11
→
Codeforces Round 1081 (Div. 2) Editorial
PeruvianCartel
→
I reached IM, this is insane!
PeruvianCartel
→
I reached GM, this is insane! (sequel to my previous post)
Abdulla_Bin_AH
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Invitation to the Replay of CoU TFC-2 2026
McDaMia
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IOI 2026 Teams
K
AN
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Help identify broken Codeforces problems
MikeMirzayanov
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