Contests - Codeforces

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Codeforces Round (Div. 1, Based on Zhili Cup 2026)
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Codeforces Round (Div. 2, Based on Zhili Cup 2026)
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Contests

#	Contest	Start time	Rank	Solved	Rating change	New rating
159	Codeforces Round 993 (Div. 4)	Dec/15/2024 17:35	4641	4	-28	1334
158	Codeforces Round 981 (Div. 3)	Oct/24/2024 17:35	6557	3	-45	1362	Became Pupil Up_again → Up_again
157	Codeforces Round 944 (Div. 4)	May/10/2024 17:35	1809	5	+22	1407	Became Specialist Up_again → Up_again
156	Codeforces Round 943 (Div. 3)	May/02/2024 17:45	3126	4	+3	1385
155	Codeforces Round 942 (Div. 2)	Apr/30/2024 17:35	2031	4	+67	1382
154	Codeforces Round 941 (Div. 2)	Apr/27/2024 17:35	2813	3	+41	1315
153	Codeforces Round 940 (Div. 2) and CodeCraft-23	Apr/21/2024 17:35	5114	2	+3	1274
152	Codeforces Round 938 (Div. 3)	Apr/08/2024 17:35	3483	4	+63	1271
151	Codeforces Global Round 25	Apr/06/2024 17:35	8147	1	-44	1208
150	Codeforces Round 935 (Div. 3)	Mar/19/2024 11:05	3613	3	+4	1252
149	Codeforces Round 934 (Div. 2)	Mar/16/2024 17:35	3967	3	+45	1248
148	Educational Codeforces Round 163 (Rated for Div. 2)	Mar/15/2024 17:35	7804	2	+3	1203
147	Codeforces Round 933 (Div. 3)	Mar/11/2024 17:35	6388	4	+23	1200	Became Pupil Up_again → Up_again
146	Codeforces Round 931 (Div. 2)	Mar/01/2024 17:35	8101	1	-27	1177	Became Newbie Up_again → Up_again
145	Codeforces Round 930 (Div. 2)	Feb/29/2024 17:35	7330	1	-28	1204
144	Codeforces Round 929 (Div. 3)	Feb/27/2024 17:35	8034	3	-16	1232
143	Educational Codeforces Round 162 (Rated for Div. 2)	Feb/23/2024 17:35	5509	2	+15	1248
142	Codeforces Round 928 (Div. 4)	Feb/19/2024 17:35	3197	4	+56	1233	Became Pupil Up_again → Up_again
141	Codeforces Round 927 (Div. 3)	Feb/18/2024 15:05	5446	2	+14	1177
140	think-cell Round 1	Feb/17/2024 17:35	6806	2	-17	1163
139	Codeforces Round 926 (Div. 2)	Feb/15/2024 17:35	12208	2	-71	1180	Became Newbie Up_again → Up_again
138	Codeforces Round 925 (Div. 3)	Feb/13/2024 17:35	6556	3	+3	1251
137	Codeforces Round 924 (Div. 2)	Feb/11/2024 12:35	4134	2	+31	1248
136	Codeforces Round 923 (Div. 3)	Feb/06/2024 17:45	10443	3	-33	1217
135	Codeforces Round 922 (Div. 2)	Jan/30/2024 17:35	8623	2	-28	1250
134	Hello 2024	Jan/06/2024 17:35	7883	2	0	1278
133	Codeforces Round 918 (Div. 4)	Dec/28/2023 17:35	6262	4	-30	1278
132	Codeforces Round 913 (Div. 3)	Dec/05/2023 17:45	3288	3	+15	1308
131	Educational Codeforces Round 159 (Rated for Div. 2)	Dec/03/2023 17:35	1967	3	+103	1293	Became Pupil Up_again → Up_again
130	Codeforces Round 912 (Div. 2)	Nov/30/2023 19:35	4266	1	-23	1190	Became Newbie Up_again → Up_again
129	Codeforces Round 911 (Div. 2)	Nov/26/2023 17:35	2692	3	+82	1213	Became Pupil Up_again → Up_again
128	CodeTON Round 7 (Div. 1 + Div. 2, Rated, Prizes!)	Nov/25/2023 17:50	4350	2	+53	1131
127	Codeforces Round 910 (Div. 2)	Nov/19/2023 17:35	6403	1	-73	1078
126	Codeforces Round 909 (Div. 3)	Nov/17/2023 17:35	4791	3	+28	1151
125	Codeforces Round 908 (Div. 2)	Nov/07/2023 17:35	4269	2	+43	1123
124	Educational Codeforces Round 157 (Rated for Div. 2)	Nov/03/2023 17:35	8556	2	-34	1080
123	Codeforces Round 907 (Div. 2)	Oct/30/2023 17:35	6620	1	-8	1114
122	Codeforces Round 905 (Div. 3)	Oct/22/2023 14:05	3399	3	+71	1122
121	Codeforces Round 903 (Div. 3)	Oct/12/2023 17:35	7461	2	+15	1051
120	Educational Codeforces Round 156 (Rated for Div. 2)	Oct/09/2023 17:35	7659	1	+23	1036
119	Codeforces Round 902 (Div. 2, based on COMPFEST 15 - Final Round)	Oct/08/2023 12:05	4421	2	+67	1013
118	Codeforces Round 901 (Div. 2)	Sep/30/2023 17:35	9824	0	-105	946
117	Codeforces Round 900 (Div. 3)	Sep/26/2023 17:35	13491	2	-45	1051
116	Codeforces Round 898 (Div. 4)	Sep/21/2023 17:35	4717	5	+62	1096
115	CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!)	Sep/18/2023 17:35	9703	1	-64	1034
114	Codeforces Round 897 (Div. 2)	Sep/11/2023 17:35	7032	2	-2	1098
113	Codeforces Round 896 (Div. 2)	Sep/10/2023 17:05	6600	1	-25	1100
112	Codeforces Round 895 (Div. 3)	Sep/07/2023 17:35	4419	4	+80	1125
111	Educational Codeforces Round 154 (Rated for Div. 2)	Aug/31/2023 17:35	9898	1	-37	1045
110	Pinely Round 2 (Div. 1 + Div. 2)	Aug/30/2023 17:35	8585	1	-21	1082
109	Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2)	Aug/26/2023 17:35	7491	2	+9	1103
108	Codeforces Round 894 (Div. 3)	Aug/24/2023 17:35	9780	2	-16	1094
107	Educational Codeforces Round 153 (Rated for Div. 2)	Aug/17/2023 17:35	11306	0	-120	1110	Became Newbie Up_again → Up_again
106	Codeforces Round 893 (Div. 2)	Aug/15/2023 17:35	4325	2	+79	1230	Became Pupil Up_again → Up_again
105	Codeforces Round 892 (Div. 2)	Aug/12/2023 17:35	8604	2	-5	1151
104	Codeforces Round 891 (Div. 3)	Aug/07/2023 17:35	9264	2	-14	1156
103	Codeforces Round 890 (Div. 2) supported by Constructor Institute	Aug/05/2023 17:35	8802	2	-32	1170	Became Newbie Up_again → Up_again
102	Codeforces Round 888 (Div. 3)	Jul/25/2023 17:35	4665	4	+39	1202	Became Pupil Up_again → Up_again
101	Codeforces Round 887 (Div. 2)	Jul/23/2023 17:35	6181	2	+10	1163
100	Codeforces Round 886 (Div. 4)	Jul/21/2023 17:35	3189	5	+78	1153
99	Codeforces Round 884 (Div. 1 + Div. 2)	Jul/11/2023 17:35	5910	3	+92	1075
98	Codeforces Round 883 (Div. 3)	Jul/07/2023 17:35	13475	1	-58	983
97	Codeforces Round 882 (Div. 2)	Jul/06/2023 17:35	9339	1	-28	1041
96	Educational Codeforces Round 151 (Rated for Div. 2)	Jun/29/2023 17:35	8699	2	-14	1069
95	CodeTON Round 5 (Div. 1 + Div. 2, Rated, Prizes!)	Jun/24/2023 17:05	8664	1	-66	1083
94	Codeforces Round 881 (Div. 3)	Jun/20/2023 17:35	8182	3	-35	1149
93	Codeforces Round 879 (Div. 2)	Jun/18/2023 11:05	4884	2	-1	1184
92	Educational Codeforces Round 150 (Rated for Div. 2)	Jun/12/2023 17:35	7674	2	-32	1185	Became Newbie Up_again → Up_again
91	Educational Codeforces Round 149 (Rated for Div. 2)	May/25/2023 17:35	4680	3	+28	1217	Became Pupil Up_again → Up_again
90	Codeforces Round 874 (Div. 3)	May/19/2023 17:35	7030	3	-49	1189	Became Newbie Up_again → Up_again
89	Educational Codeforces Round 148 (Rated for Div. 2)	May/12/2023 17:35	5646	2	-22	1238
88	Codeforces Round 872 (Div. 2)	May/08/2023 15:05	3047	2	+18	1260
87	Codeforces Round 871 (Div. 4)	May/06/2023 17:35	5106	4	-34	1242
86	Codeforces Round 870 (Div. 2)	May/05/2023 17:35	3440	2	+37	1276
85	Codeforces Round 869 (Div. 2)	Apr/29/2023 17:35	2505	2	+40	1239	Became Pupil Up_again → Up_again
84	Codeforces Round 868 (Div. 2)	Apr/27/2023 17:35	3841	2	-3	1199	Became Newbie Up_again → Up_again
83	Codeforces Round 867 (Div. 3)	Apr/24/2023 17:35	3102	4	+37	1202	Became Pupil Up_again → Up_again
82	Educational Codeforces Round 147 (Rated for Div. 2)	Apr/20/2023 17:35	5449	2	-26	1165
81	Codeforces Round 866 (Div. 2)	Apr/15/2023 12:05	6374	1	-115	1191	Became Newbie Up_again → Up_again
80	Codeforces Round 865 (Div. 2)	Apr/09/2023 17:45	2897	3	+27	1306
79	Codeforces Round 860 (Div. 2)	Mar/26/2023 17:35	5523	2	-26	1279
78	Codeforces Round 859 (Div. 4)	Mar/19/2023 17:55	1878	6	+45	1305
77	Codeforces Round 858 (Div. 2)	Mar/18/2023 15:05	2244	2	+92	1260	Became Pupil Up_again → Up_again
76	Codeforces Round 856 (Div. 2)	Mar/04/2023 20:35	4631	2	-29	1168
75	Codeforces Round 855 (Div. 3)	Mar/02/2023 17:35	3633	5	+50	1197
74	Educational Codeforces Round 144 (Rated for Div. 2)	Feb/28/2023 17:35	8700	1	-82	1147	Became Newbie Up_again → Up_again
73	Educational Codeforces Round 143 (Rated for Div. 2)	Feb/16/2023 17:35	4651	2	+15	1229
72	Codeforces Round 852 (Div. 2)	Feb/12/2023 11:35	4514	2	-2	1214
71	Codeforces Round 851 (Div. 2)	Feb/09/2023 17:35	8144	2	-44	1216
70	Codeforces Round 850 (Div. 2, based on VK Cup 2022 - Final Round)	Feb/05/2023 15:05	2159	4	+52	1260
69	Codeforces Round 849 (Div. 4)	Feb/03/2023 17:35	4583	6	+13	1208	Became Pupil Up_again → Up_again
68	Codeforces Round 848 (Div. 2)	Feb/01/2023 17:35	6632	1	-23	1195	Became Newbie Up_again → Up_again
67	TypeDB Forces 2023 (Div. 1 + Div. 2, Rated, Prizes!)	Jan/29/2023 17:35	4452	2	+31	1218	Became Pupil Up_again → Up_again
66	Codeforces Round 847 (Div. 3)	Jan/27/2023 17:35	10413	2	-72	1187	Became Newbie Up_again → Up_again
65	Codeforces Round 845 (Div. 2) and ByteRace 2023	Jan/21/2023 17:35	2062	2	+95	1259	Became Pupil Up_again → Up_again
64	Codeforces Round 843 (Div. 2)	Jan/10/2023 14:15	4508	2	+25	1164
63	Educational Codeforces Round 141 (Rated for Div. 2)	Jan/08/2023 17:35	6193	2	+27	1139
62	Hello 2023	Jan/03/2023 17:35	8555	2	+8	1112
61	Good Bye 2022: 2023 is NEAR	Dec/30/2022 17:35	9419	2	+7	1104
60	Codeforces Round 841 (Div. 2) and Divide by Zero 2022	Dec/27/2022 17:35	6360	2	+25	1097
59	Educational Codeforces Round 138 (Rated for Div. 2)	Oct/20/2022 17:35	8480	2	-46	1072
58	Educational Codeforces Round 137 (Rated for Div. 2)	Oct/17/2022 17:35	7797	2	-21	1118
57	Codeforces Round 828 (Div. 3)	Oct/16/2022 17:35	3831	4	+58	1139
56	Codeforces Round 827 (Div. 4)	Oct/13/2022 17:35	3722	4	+80	1081
55	Dytechlab Cup 2022	Oct/07/2022 17:35	5214	1	-4	1001
54	Codeforces Round 824 (Div. 2)	Oct/02/2022 17:35	6607	2	+11	1005
53	Codeforces Global Round 22	Sep/30/2022 17:35	6086	1	+26	994
52	Educational Codeforces Round 136 (Rated for Div. 2)	Sep/29/2022 17:35	10192	1	-55	968
51	Codeforces Round 822 (Div. 2)	Sep/23/2022 15:05	6059	2	+3	1023
50	Codeforces Round 821 (Div. 2)	Sep/19/2022 17:35	7521	2	-11	1020
49	Codeforces Round 820 (Div. 3)	Sep/12/2022 17:35	8762	2	-7	1031
48	Educational Codeforces Round 135 (Rated for Div. 2)	Sep/08/2022 17:35	5960	2	+55	1038
47	Codeforces Round 818 (Div. 2)	Sep/02/2022 17:35	8372	1	-44	983
46	Codeforces Round 817 (Div. 4)	Aug/30/2022 17:50	10114	3	-35	1027
45	Educational Codeforces Round 134 (Rated for Div. 2)	Aug/27/2022 17:35	10795	1	-76	1062
44	Codeforces Round 816 (Div. 2)	Aug/20/2022 17:35	5638	2	+30	1138
43	Codeforces Round 815 (Div. 2)	Aug/18/2022 16:35	4556	2	+56	1108
42	Codeforces Round 814 (Div. 2)	Aug/16/2022 17:35	13896	1	-119	1052
41	Codeforces Round 813 (Div. 2)	Aug/13/2022 17:35	6866	3	+6	1171
40	Codeforces Round 812 (Div. 2)	Aug/06/2022 17:35	4840	3	+46	1165
39	Educational Codeforces Round 133 (Rated for Div. 2)	Aug/04/2022 17:35	7147	2	+11	1119
38	Codeforces Round 811 (Div. 3)	Aug/01/2022 17:35	4670	3	+51	1108
37	CodeTON Round 2 (Div. 1 + Div. 2, Rated, Prizes!)	Jul/31/2022 17:05	8919	1	-72	1057
36	Codeforces Round 810 (Div. 2)	Jul/24/2022 17:35	7786	1	-34	1129
35	Educational Codeforces Round 132 (Rated for Div. 2)	Jul/21/2022 17:35	5052	2	+48	1163
34	Codeforces Round 809 (Div. 2)	Jul/18/2022 17:35	8153	2	-23	1115
33	Codeforces Round 808 (Div. 2)	Jul/16/2022 17:35	7897	2	-28	1138
32	Codeforces Round 807 (Div. 2)	Jul/15/2022 16:35	5112	2	+34	1166
31	Codeforces Round 806 (Div. 4)	Jul/12/2022 17:35	7453	4	-27	1132
30	Codeforces Round 799 (Div. 4)	Jun/14/2022 17:35	6205	4	-9	1159
29	Educational Codeforces Round 123 (Rated for Div. 2)	Feb/22/2022 17:35	5690	2	+17	1168
28	Codeforces Round 772 (Div. 2)	Feb/20/2022 17:35	7183	2	-36	1151
27	Educational Codeforces Round 122 (Rated for Div. 2)	Jan/31/2022 17:35	3799	3	+84	1187
26	Codeforces Round 769 (Div. 2)	Jan/30/2022 17:35	8964	2	-11	1103
25	Codeforces Round 768 (Div. 2)	Jan/27/2022 17:35	10681	1	-54	1114
24	Codeforces Round 767 (Div. 2)	Jan/22/2022 17:35	5383	2	+43	1168
23	Codeforces Round 766 (Div. 2)	Jan/15/2022 17:35	7439	1	-25	1125
22	Codeforces Round 765 (Div. 2)	Jan/12/2022 15:05	6134	1	-29	1150
21	Codeforces Round 764 (Div. 3)	Jan/10/2022 17:35	2793	4	+102	1179
20	Hello 2022	Jan/03/2022 17:35	8936	1	-7	1077
19	Good Bye 2021: 2022 is NEAR	Dec/29/2021 18:35	11329	1	-76	1084
18	Codeforces Round 763 (Div. 2)	Dec/28/2021 16:35	4249	2	+36	1160
17	Codeforces Global Round 18	Dec/24/2021 17:35	2710	2	+196	1124
16	Educational Codeforces Round 119 (Rated for Div. 2)	Dec/18/2021 18:35	6145	2	+68	928
15	Codeforces Round 761 (Div. 2)	Dec/16/2021 16:35	7925	1	-21	860
14	Codeforces Round 760 (Div. 3)	Dec/14/2021 17:35	10323	1	-35	881
13	Educational Codeforces Round 118 (Rated for Div. 2)	Dec/01/2021 17:35	7116	1	+55	916
12	Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2)	Nov/28/2021 17:35	5921	1	+21	861
11	Codeforces Round 757 (Div. 2)	Nov/26/2021 14:15	8570	1	-48	840
10	Codeforces Round 756 (Div. 3)	Nov/25/2021 17:35	9210	2	-12	888
9	Codeforces Global Round 17	Nov/23/2021 17:35	7286	0	-103	900
8	Educational Codeforces Round 117 (Rated for Div. 2)	Nov/22/2021 12:35	4737	2	+9	1003
7	Codeforces Round 755 (Div. 2, based on Technocup 2022 Elimination Round 2)	Nov/14/2021 09:05	4004	2	-32	994
6	Codeforces Round 754 (Div. 2)	Nov/12/2021 17:35	5265	2	+108	1026
5	Codeforces Round 753 (Div. 3)	Nov/02/2021 17:35	9726	1	+46	918
4	Codeforces Round 752 (Div. 2)	Oct/30/2021 17:35	8145	1	+95	872
3	Educational Codeforces Round 116 (Rated for Div. 2)	Oct/29/2021 17:35	8667	0	+128	777
2	Codeforces Round 750 (Div. 2)	Oct/24/2021 13:05	6343	2	+281	649
1	Codeforces Global Round 15	Jul/25/2021 17:35	11284	1	+368	368	Up_again → Up_again

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