Contests - Codeforces

→ Pay attention

Before contest
Codeforces Round 1134 (Div. 4)
2 days
Register now »

→ Top rated

#	User	Rating
1	Benq	3676
2	Kevin114514	3659
3	jiangly	3640
4	turmax	3450
5	tourist	3408
6	strapple	3360
7	Um_nik	3354
8	squareOf105	3348
9	maroonrk	3312
10	idontwannadothis…e	3191

Countries | Cities | Organizations

View all →

→ Top contributors

#	User	Contrib.
1	Qingyu	154
2	nik_exists	151
3	maspy	149
4	AmShZ	146
5	Um_nik	143
6	Errichto	139
7	BledDest	136
8	adamant	135
9	maroonrk	133
10	cry	130

View all →

→ Find user

→ Recent actions

Detailed →

Contests

#	Contest	Start time	Rank	Solved	Rating change	New rating
92	Codeforces Round 820 (Div. 3)	Sep/12/2022 17:35	355	5	+63	1659	Became Expert o_connor → o_connor
91	Educational Codeforces Round 135 (Rated for Div. 2)	Sep/08/2022 17:35	1533	3	+19	1596
90	Codeforces Round 814 (Div. 2)	Aug/16/2022 17:35	886	3	+75	1577
89	CodeTON Round 1 (Div. 1 + Div. 2, Rated, Prizes!)	Mar/24/2022 17:35	1929	3	+88	1502
88	Educational Codeforces Round 125 (Rated for Div. 2)	Mar/22/2022 17:45	3629	3	-13	1414
87	Codeforces Round 773 (Div. 2)	Feb/23/2022 13:10	1479	3	+56	1427	Became Specialist o_connor → o_connor
86	Codeforces Round 771 (Div. 2)	Feb/14/2022 17:35	4927	2	-26	1371
85	Codeforces Global Round 19	Feb/12/2022 17:35	4439	3	0	1397
84	Educational Codeforces Round 122 (Rated for Div. 2)	Jan/31/2022 17:35	4022	3	-7	1397	Became Pupil o_connor → o_connor
83	Good Bye 2021: 2022 is NEAR	Dec/29/2021 18:35	4038	3	+20	1404	Became Specialist o_connor → o_connor
82	Codeforces Round 761 (Div. 2)	Dec/16/2021 16:35	1368	3	+107	1384
81	Codeforces Round 760 (Div. 3)	Dec/14/2021 17:35	3566	3	-2	1277
80	Codeforces Round 758 (Div.1 + Div. 2)	Dec/11/2021 13:05	3745	2	+15	1279
79	Codeforces Round 757 (Div. 2)	Nov/26/2021 14:15	3429	2	+24	1264
78	Educational Codeforces Round 117 (Rated for Div. 2)	Nov/22/2021 12:35	4149	2	-44	1240
77	Codeforces Round 753 (Div. 3)	Nov/02/2021 17:35	2380	4	+40	1284
76	Codeforces Round 752 (Div. 2)	Oct/30/2021 17:35	5185	2	-29	1244
75	Educational Codeforces Round 116 (Rated for Div. 2)	Oct/29/2021 17:35	6068	1	-46	1273
74	Codeforces Round 751 (Div. 2)	Oct/25/2021 09:35	3459	2	-54	1319
73	Codeforces Round 750 (Div. 2)	Oct/24/2021 13:05	3687	3	-33	1373	Became Pupil o_connor → o_connor
72	Harbour.Space Scholarship Contest 2021-2022 (open for everyone, rated, Div. 1 + Div. 2)	Jul/22/2021 17:35	2209	4	+101	1406	Became Specialist o_connor → o_connor
71	Educational Codeforces Round 111 (Rated for Div. 2)	Jul/14/2021 17:35	3610	2	+57	1305
70	Codeforces Round 732 (Div. 2)	Jul/11/2021 17:05	4562	2	+9	1248
69	Codeforces Round 731 (Div. 3)	Jul/10/2021 17:35	5561	3	-20	1239
68	Codeforces Round 728 (Div. 2)	Jun/25/2021 18:35	6399	2	-32	1259
67	Codeforces Round 726 (Div. 2)	Jun/18/2021 17:35	2325	4	+139	1291	Became Pupil o_connor → o_connor
66	Codeforces Round 725 (Div. 3)	Jun/10/2021 17:35	8072	2	-36	1152
65	Codeforces Round 724 (Div. 2)	Jun/06/2021 17:35	6199	2	-16	1188	Became Newbie o_connor → o_connor
64	Deltix Round, Spring 2021 (open for everyone, rated, Div. 1 + Div. 2)	May/30/2021 17:35	7219	0	-126	1204
63	Codeforces Round 722 (Div. 2)	May/24/2021 17:35	2664	2	+74	1330
62	Codeforces Round 721 (Div. 2)	May/20/2021 17:35	4270	2	+56	1256
61	Educational Codeforces Round 109 (Rated for Div. 2)	May/16/2021 11:00	4249	2	+25	1200	Became Pupil o_connor → o_connor
60	Codeforces Round 719 (Div. 3)	May/05/2021 17:35	6722	3	-9	1175
59	Codeforces Global Round 14	May/02/2021 17:35	7525	2	-26	1184	Became Newbie o_connor → o_connor
58	Contest 2050 and Codeforces Round 718 (Div. 1 + Div. 2)	Apr/23/2021 17:35	7388	1	-47	1210
57	Codeforces Round 717 (Div. 2)	Apr/21/2021 16:35	5023	1	-3	1257
56	Educational Codeforces Round 107 (Rated for Div. 2)	Apr/12/2021 17:35	3146	3	+67	1260	Became Pupil o_connor → o_connor
55	Divide by Zero 2021 and Codeforces Round 714 (Div. 2)	Apr/11/2021 17:35	4484	1	+13	1193
54	Codeforces Round 713 (Div. 3)	Apr/10/2021 17:35	7461	2	-56	1180	Became Newbie o_connor → o_connor
53	Codeforces Round 712 (Div. 2)	Apr/03/2021 17:35	3702	2	+29	1236
52	Codeforces Round 710 (Div. 3)	Mar/25/2021 17:35	3093	3	+48	1207	Became Pupil o_connor → o_connor
51	Educational Codeforces Round 106 (Rated for Div. 2)	Mar/18/2021 17:50	5251	2	+15	1159
50	Codeforces Round 707 (Div. 2, based on Moscow Open Olympiad in Informatics)	Mar/13/2021 12:05	5249	1	-57	1144	Became Newbie o_connor → o_connor
49	Codeforces Round 706 (Div. 2)	Mar/10/2021 15:05	3143	3	+79	1201	Became Pupil o_connor → o_connor
48	Codeforces Round 705 (Div. 2)	Mar/06/2021 17:05	8818	0	-130	1122	Became Newbie o_connor → o_connor
47	Educational Codeforces Round 105 (Rated for Div. 2)	Mar/02/2021 17:45	5808	1	-16	1252
46	Codeforces Global Round 13	Feb/28/2021 16:35	4183	2	+58	1268
45	Codeforces Round 704 (Div. 2)	Feb/23/2021 12:05	5302	2	-20	1210
44	Codeforces Round 703 (Div. 2)	Feb/18/2021 17:35	7435	1	-31	1230
43	Codeforces Round 702 (Div. 3)	Feb/16/2021 17:35	5391	3	-41	1261
42	Educational Codeforces Round 104 (Rated for Div. 2)	Feb/15/2021 17:35	3574	3	+52	1302
41	Codeforces Round 701 (Div. 2)	Feb/12/2021 17:50	4817	1	0	1250
40	Codeforces Round 700 (Div. 2)	Feb/07/2021 17:35	9736	1	-83	1250
39	Codeforces Round 699 (Div. 2)	Feb/05/2021 17:35	4038	2	+31	1333
38	Educational Codeforces Round 103 (Rated for Div. 2)	Jan/29/2021 17:35	4122	2	+53	1302
37	Codeforces Round 698 (Div. 2)	Jan/28/2021 17:35	6512	2	-14	1249
36	Codeforces Round 695 (Div. 2)	Jan/08/2021 17:35	4544	1	+48	1263
35	Codeforces Round 694 (Div. 2)	Jan/05/2021 17:35	5372	2	+27	1215	Became Pupil o_connor → o_connor
34	Good Bye 2020	Dec/30/2020 17:35	12207	2	-103	1188	Became Newbie o_connor → o_connor
33	Educational Codeforces Round 101 (Rated for Div. 2)	Dec/28/2020 17:35	3844	2	+45	1291
32	Codeforces Round 692 (Div. 2, based on Technocup 2021 Elimination Round 3)	Dec/20/2020 18:05	4552	2	-21	1246
31	Codeforces Round 691 (Div. 2)	Dec/19/2020 12:35	1610	2	+114	1267	Became Pupil o_connor → o_connor
30	Educational Codeforces Round 100 (Rated for Div. 2)	Dec/17/2020 17:35	5628	1	+29	1153
29	Codeforces Round 689 (Div. 2, based on Zed Code Competition)	Dec/11/2020 17:35	5115	1	+1	1124
28	Codeforces Global Round 12	Dec/06/2020 17:35	5903	2	+6	1123
27	Codeforces Round 688 (Div. 2)	Dec/04/2020 16:05	5692	1	-5	1117
26	Educational Codeforces Round 99 (Rated for Div. 2)	Nov/30/2020 17:35	3534	3	+128	1122
25	Codeforces Round 687 (Div. 2, based on Technocup 2021 Elimination Round 2)	Nov/29/2020 10:05	5381	1	-63	994
24	Codeforces Round 686 (Div. 3)	Nov/24/2020 17:35	7181	2	-10	1057
23	Codeforces Round 684 (Div. 2)	Nov/17/2020 17:35	5510	2	+15	1067
22	Codeforces Round 683 (Div. 2, by Meet IT)	Nov/15/2020 17:35	4590	2	-19	1052
21	Codeforces Round 681 (Div. 2, based on VK Cup 2019-2020 - Final)	Nov/02/2020 17:35	5432	1	-18	1071
20	Codeforces Round 680 (Div. 2, based on Moscow Team Olympiad)	Nov/01/2020 14:05	3655	2	+53	1089
19	Educational Codeforces Round 97 (Rated for Div. 2)	Oct/27/2020 17:35	7476	1	-21	1036
18	Codeforces Round 677 (Div. 3)	Oct/20/2020 17:35	5074	4	+52	1057
17	Codeforces Round 676 (Div. 2)	Oct/18/2020 12:05	7724	1	-71	1005
16	Codeforces Raif Round 1 (Div. 1 + Div. 2)	Oct/17/2020 16:05	7772	1	-49	1076
15	Educational Codeforces Round 96 (Rated for Div. 2)	Oct/11/2020 12:05	4086	3	+24	1125
14	Codeforces Global Round 11	Oct/10/2020 17:50	4483	1	+85	1101
13	Codeforces Round 675 (Div. 2)	Oct/04/2020 19:05	6740	1	-32	1016
12	Grakn Forces 2020	Sep/30/2020 17:35	4125	2	+131	1048
11	Codeforces Round 674 (Div. 3)	Sep/28/2020 11:05	3425	3	+145	917
10	Codeforces Round 673 (Div. 2)	Sep/27/2020 18:05	6283	1	+67	772
9	Codeforces Round 672 (Div. 2)	Sep/24/2020 17:35	9079	0	-91	705
8	Codeforces Round 671 (Div. 2)	Sep/19/2020 17:35	8090	1	+50	796
7	Codeforces Round 670 (Div. 2)	Sep/12/2020 16:45	9207	0	-94	746
6	Codeforces Round 669 (Div. 2)	Sep/08/2020 17:35	8087	0	-40	840
5	Codeforces Round 668 (Div. 2)	Sep/06/2020 17:35	10908	1	+31	880
4	Codeforces Round 667 (Div. 3)	Sep/04/2020 17:35	13083	1	+73	849
3	Codeforces Round 666 (Div. 2)	Aug/30/2020 17:35	12642	1	+151	776
2	Educational Codeforces Round 94 (Rated for Div. 2)	Aug/25/2020 17:35	13122	0	+218	625
1	Codeforces Round 665 (Div. 2)	Aug/21/2020 17:35	10349	1	+407	407	o_connor → o_connor

The only programming contests Web 2.0 platform

Server time: Nov/10/2026 07:06:56 (g2).

Desktop version, switch to mobile version.

Supported by