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21
Codeforces Round 306 (Div. 2)
Jun/04/2015 19:30
1811
0
-80
1340
Became
Pupil
Neko
→
Neko
20
Codeforces Round 305 (Div. 2)
May/26/2015 19:35
791
2
+163
1420
Became
Specialist
Neko
→
Neko
19
Codeforces Round 304 (Div. 2)
May/22/2015 19:30
2250
1
-69
1257
18
Codeforces Round 269 (Div. 2)
Sep/26/2014 19:30
1496
1
-3
1326
17
Codeforces Round 267 (Div. 2)
Sep/18/2014 19:30
1941
2
-91
1329
Became
Pupil
Neko
→
Neko
16
Codeforces Round 266 (Div. 2)
Sep/12/2014 19:30
1074
1
+54
1420
Became
Specialist
Neko
→
Neko
15
Codeforces Round 265 (Div. 2)
Sep/07/2014 19:30
1201
2
+31
1366
14
Codeforces Round 201 (Div. 2)
Sep/20/2013 19:30
1103
2
-32
1335
13
Codeforces Round 200 (Div. 2)
Sep/14/2013 19:30
1193
2
-78
1367
Became
Pupil
Neko
→
Neko
12
Codeforces Round 197 (Div. 2)
Aug/26/2013 19:30
1191
2
-88
1445
11
Codeforces Round 100
Jan/04/2012 19:00
921
1
+58
1533
10
Codeforces Beta Round 88
Sep/23/2011 19:00
788
0
-48
1475
9
Codeforces Beta Round 87 (Div. 2 Only)
Sep/15/2011 19:00
655
1
-72
1523
8
Codeforces Beta Round 86 (Div. 2 Only)
Sep/08/2011 19:00
116
2
+98
1595
7
Codeforces Beta Round 85 (Div. 2 Only)
Sep/03/2011 16:00
246
3
+98
1497
Became
Specialist
Neko
→
Neko
6
Codeforces Beta Round 84 (Div. 2 Only)
Aug/29/2011 20:00
593
2
-47
1399
Became
Pupil
Neko
→
Neko
5
Codeforces Beta Round 83 (Div. 2 Only)
Aug/23/2011 19:00
348
2
+15
1446
4
Codeforces Beta Round 82 (Div. 2)
Aug/19/2011 19:00
423
2
-27
1431
3
Codeforces Beta Round 81
Aug/13/2011 19:00
403
0
0
1458
2
Codeforces Beta Round 80 (Div. 2 Only)
Aug/07/2011 15:00
342
2
+18
1458
1
Codeforces Beta Round 79 (Div. 2 Only)
Aug/03/2011 21:00
546
1
-60
1440
Became
Specialist
Neko
→
Neko
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Codeforces Round 1097 (Div. 1, Based on Zhili Cup 2026)
44:08:06
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Codeforces Round 1097 (Div. 2, Based on Zhili Cup 2026)
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IOI Community Discord Server | 2025
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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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