Contests - Codeforces

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Codeforces Round 1123 (Div. 2)
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Codeforces Round 1123 Solution Discussion

By aryanc403

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Contests

#	Contest	Start time	Rank	Solved	Rating change	New rating
129	Educational Codeforces Round 194 (Rated for Div. 2)	Sep/08/2026 17:35	439	5	-3	1943
128	Codeforces Round 1117 (Div. 2)	Aug/17/2026 17:35	174	5	+78	1946	Became Candidate Master coder3000 → coder3000
127	Codeforces Round 1116 (Div. 2)	Aug/09/2026 17:35	846	4	-34	1868	Became Expert coder3000 → coder3000
126	Educational Codeforces Round 193 (Rated for Div. 2)	Aug/07/2026 17:35	228	5	+65	1902	Became Candidate Master coder3000 → coder3000
125	Codeforces Round 1115 (Div. 2)	Aug/06/2026 17:35	2105	3	-63	1837	Became Expert coder3000 → coder3000
124	Codeforces Round 1112 (Div. 1)	Jul/26/2026 17:35	522	2	-11	1900
123	Spectral::Cup 2026 Round 3 (Codeforces Round 1110, Div. 1 + Div. 2)	Jul/16/2026 17:45	281	6	+134	1911	Became Candidate Master coder3000 → coder3000
122	Codeforces Round 1108 (Div. 2)	Jul/12/2026 17:35	928	4	+10	1777
121	Educational Codeforces Round 192 (Rated for Div. 2)	Jul/06/2026 17:35	2588	3	-81	1767
120	Codeforces Round 1101 (Div. 2)	May/30/2026 17:35	296	5	+90	1848
119	Spectral::Cup 2026 Round 2 (Codeforces Round 1100, Div. 1 + Div. 2)	May/23/2026 17:35	4577	3	-138	1758
118	Codeforces Round 1099 (Div. 2)	May/21/2026 17:35	1109	4	-31	1896	Became Expert coder3000 → coder3000
117	Codeforces Round 1098 (Div. 2)	May/16/2026 17:35	324	5	+52	1927	Became Candidate Master coder3000 → coder3000
116	Codeforces Round 1097 (Div. 2, Based on Zhili Cup 2026)	May/06/2026 09:05	433	4	-31	1875	Became Expert coder3000 → coder3000
115	Codeforces Round 1095 (Div. 2)	Apr/28/2026 17:35	524	4	+2	1906
114	Educational Codeforces Round 189 (Rated for Div. 2)	Apr/21/2026 17:35	797	4	-22	1904
113	Codeforces Round 1093 (Div. 1)	Apr/13/2026 17:35	551	2	-20	1926
112	Codeforces Round 1089 (Div. 2)	Mar/29/2026 17:35	212	4	+83	1946	Became Candidate Master coder3000 → coder3000
111	Nebius Round 2 (Codeforces Round 1088, Div. 1 + Div. 2)	Mar/28/2026 17:45	1554	4	-13	1863
110	Codeforces Round 1087 (Div. 2)	Mar/21/2026 17:35	697	4	+8	1876
109	Codeforces Round 1086 (Div. 2)	Mar/14/2026 17:35	3692	3	-124	1868	Became Expert coder3000 → coder3000
108	Codeforces Round 1085 (Div. 1 + Div. 2)	Mar/08/2026 17:35	367	5	+78	1992
107	Codeforces Round 1082 (Div. 2)	Feb/23/2026 17:35	226	5	+39	1914	Became Candidate Master coder3000 → coder3000
106	Codeforces Round 1081 (Div. 2)	Feb/21/2026 17:35	1589	3	-64	1875	Became Expert coder3000 → coder3000
105	Codeforces Round 1078 (Div. 2)	Feb/08/2026 12:05	164	5	+87	1939	Became Candidate Master coder3000 → coder3000
104	Codeforces Round 1075 (Div. 2)	Jan/23/2026 17:35	1313	4	-29	1852
103	Hello 2026	Jan/07/2026 17:35	5609	3	-150	1881	Became Expert coder3000 → coder3000
102	Codeforces Global Round 31 (Div. 1 + Div. 2)	Dec/19/2025 17:35	724	4	+34	2031
101	Educational Codeforces Round 185 (Rated for Div. 2)	Nov/28/2025 17:35	195	4	+62	1997
100	Codeforces Round 1066 (Div. 1 + Div. 2)	Nov/23/2025 12:35	619	5	+67	1935	Became Candidate Master coder3000 → coder3000
99	Codeforces Round 1064 (Div. 2)	Nov/16/2025 17:35	571	4	-1	1868
98	Educational Codeforces Round 184 (Rated for Div. 2)	Nov/14/2025 17:35	1024	4	-9	1869
97	Codeforces Global Round 30 (Div. 1 + Div. 2)	Nov/06/2025 17:35	1959	3	-53	1878	Became Expert coder3000 → coder3000
96	Codeforces Round 1053 (Div. 1)	Sep/24/2025 14:35	680	2	+9	1931
95	Codeforces Global Round 29 (Div. 1 + Div. 2)	Sep/20/2025 17:35	1647	4	-21	1922
94	Codeforces Round 1051 (Div. 2)	Sep/17/2025 17:35	133	5	+129	1943	Became Candidate Master coder3000 → coder3000
93	Codeforces Round 1046 (Div. 2)	Aug/28/2025 17:35	1062	4	-15	1814
92	Codeforces Round 1045 (Div. 2)	Aug/26/2025 17:35	710	3	+45	1829
91	Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2)	Aug/07/2025 17:35	1460	4	+33	1784
90	Codeforces Round 1039 (Div. 2)	Jul/27/2025 17:35	3854	3	-89	1751
89	Educational Codeforces Round 181 (Rated for Div. 2)	Jul/22/2025 17:35	3693	3	-104	1840	Became Expert coder3000 → coder3000
88	Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2)	Jul/19/2025 17:35	701	3	+88	1944	Became Candidate Master coder3000 → coder3000
87	EPIC Institute of Technology Round Summer 2025 (Codeforces Round 1036, Div. 1 + Div. 2)	Jul/06/2025 17:35	1199	4	+19	1856
86	Codeforces Round 1035 (Div. 2)	Jul/05/2025 17:35	2019	3	-48	1837
85	Codeforces Round 1031 (Div. 2)	Jun/15/2025 12:05	394	3	+28	1885
84	Codeforces Round 1030 (Div. 2)	Jun/12/2025 17:35	410	4	+72	1857
83	Educational Codeforces Round 179 (Rated for Div. 2)	Jun/03/2025 17:35	1138	4	-4	1785
82	Codeforces Round 1028 (Div. 2)	May/31/2025 17:35	1113	3	-4	1789
81	Codeforces Round 1022 (Div. 2)	May/01/2025 17:35	733	3	+32	1793
80	Educational Codeforces Round 178 (Rated for Div. 2)	Apr/28/2025 17:35	1319	5	-16	1761
79	Codeforces Round 1019 (Div. 2)	Apr/21/2025 17:35	416	4	+89	1777
78	Neowise Labs Contest 1 (Codeforces Round 1018, Div. 1 + Div. 2)	Apr/19/2025 17:35	3421	2	-42	1688
77	Educational Codeforces Round 177 (Rated for Div. 2)	Apr/03/2025 17:35	4280	3	-96	1730
76	Codeforces Round 1014 (Div. 2)	Mar/29/2025 17:35	1091	4	+9	1826
75	Codeforces Round 1012 (Div. 2)	Mar/23/2025 08:35	567	4	-6	1817
74	Codeforces Round 1011 (Div. 2)	Mar/22/2025 17:35	227	4	+133	1823
73	Educational Codeforces Round 176 (Rated for Div. 2)	Mar/17/2025 17:35	4733	2	-89	1690
72	Codeforces Round 1007 (Div. 2)	Feb/28/2025 17:35	1120	3	+14	1779
71	Educational Codeforces Round 175 (Rated for Div. 2)	Feb/27/2025 17:35	4810	2	-121	1765
70	Codeforces Round 1005 (Div. 2)	Feb/16/2025 17:35	247	4	+103	1886
69	Codeforces Round 1004 (Div. 2)	Feb/11/2025 17:35	856	4	+14	1783
68	Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2)	Jan/26/2025 17:35	2473	3	-12	1769
67	Codeforces Round 1000 (Div. 2)	Jan/22/2025 15:05	683	4	+67	1781
66	IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)	Jan/20/2025 17:35	4564	2	-109	1714
65	Codeforces Round 997 (Div. 2)	Jan/17/2025 17:35	396	3	+84	1823
64	Codeforces Round 996 (Div. 2)	Jan/12/2025 17:35	6815	2	-126	1739
63	Good Bye 2024: 2025 is NEAR	Dec/28/2024 17:35	2169	4	-26	1865
62	Educational Codeforces Round 173 (Rated for Div. 2)	Dec/24/2024 17:35	542	4	+25	1891
61	Codeforces Round 994 (Div. 2)	Dec/20/2024 17:35	491	4	+54	1866
60	Codeforces Global Round 28	Dec/19/2024 17:35	1220	4	+45	1812
59	Codeforces Round 990 (Div. 2)	Dec/03/2024 09:25	332	4	+39	1767
58	Educational Codeforces Round 172 (Rated for Div. 2)	Dec/02/2024 17:35	936	3	+30	1728
57	Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)	Nov/30/2024 17:35	937	4	+120	1698	Became Expert coder3000 → coder3000
56	Codeforces Round 986 (Div. 2)	Nov/10/2024 18:35	2330	2	-29	1578	Became Specialist coder3000 → coder3000
55	Refact.ai Match 1 (Codeforces Round 985)	Nov/09/2024 17:35	3286	2	-71	1607
54	Educational Codeforces Round 171 (Rated for Div. 2)	Oct/28/2024 17:35	1737	3	+9	1678
53	Codeforces Global Round 27	Oct/27/2024 17:35	2363	3	-6	1669
52	Codeforces Round 982 (Div. 2)	Oct/26/2024 17:35	1586	4	-5	1675
51	Educational Codeforces Round 170 (Rated for Div. 2)	Oct/14/2024 17:35	1935	3	0	1680
50	Codeforces Round 978 (Div. 2)	Oct/13/2024 22:35	442	3	+77	1680
49	Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)	Oct/06/2024 09:05	805	4	+110	1603	Became Expert coder3000 → coder3000
48	Codeforces Round 976 (Div. 2) and Divide By Zero 9.0	Sep/29/2024 18:35	7632	1	-98	1493
47	Codeforces Round 974 (Div. 3)	Sep/21/2024 17:45	977	4	+33	1591
46	Codeforces Round 973 (Div. 2)	Sep/20/2024 17:35	5097	2	-65	1558	Became Specialist coder3000 → coder3000
45	Codeforces Round 972 (Div. 2)	Sep/14/2024 17:35	4346	3	-63	1623
44	Codeforces Round 969 (Div. 2)	Aug/30/2024 17:35	3180	3	-66	1686
43	Codeforces Round 968 (Div. 2)	Aug/25/2024 17:35	1104	4	+32	1752
42	Codeforces Round 967 (Div. 2)	Aug/20/2024 17:35	1533	3	+14	1720
41	Codeforces Round 965 (Div. 2)	Aug/10/2024 17:35	1675	3	+17	1706
40	Codeforces Round 961 (Div. 2)	Jul/23/2024 17:35	1335	4	+26	1689
39	Codeforces Round 958 (Div. 2)	Jul/15/2024 17:35	1522	3	+30	1663
38	Codeforces Round 940 (Div. 2) and CodeCraft-23	Apr/21/2024 17:35	1554	3	+22	1633
37	Codeforces Round 939 (Div. 2)	Apr/13/2024 17:35	3795	2	-68	1611
36	Codeforces Round 938 (Div. 3)	Apr/08/2024 17:35	178	6	+126	1679	Became Expert coder3000 → coder3000
35	Codeforces Global Round 25	Apr/06/2024 17:35	2806	3	+20	1553
34	CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)	Mar/30/2024 17:35	1959	4	+83	1533
33	Codeforces Round 936 (Div. 2)	Mar/22/2024 17:35	3721	2	+1	1450
32	Codeforces Round 935 (Div. 3)	Mar/19/2024 11:05	322	5	+155	1449	Became Specialist coder3000 → coder3000
31	Pinely Round 3 (Div. 1 + Div. 2)	Dec/23/2023 17:35	5825	1	-42	1294
30	Codeforces Round 916 (Div. 3)	Dec/19/2023 17:35	6345	3	-53	1336
29	Codeforces Round 872 (Div. 2)	May/08/2023 15:05	4004	2	-63	1389	Became Pupil coder3000 → coder3000
28	Codeforces Round 865 (Div. 2)	Apr/09/2023 17:45	3440	2	-44	1452
27	Codeforces Round 864 (Div. 2)	Apr/08/2023 17:05	1096	3	+80	1496
26	Codeforces Round 863 (Div. 3)	Apr/04/2023 17:35	3258	3	-15	1416
25	Codeforces Round 862 (Div. 2)	Apr/02/2023 17:35	3493	3	-21	1431
24	CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!)	Mar/31/2023 17:35	5097	3	-57	1452
23	Codeforces Round 860 (Div. 2)	Mar/26/2023 17:35	1200	3	+82	1509
22	Educational Codeforces Round 144 (Rated for Div. 2)	Feb/28/2023 17:35	1951	3	+47	1427	Became Specialist coder3000 → coder3000
21	Codeforces Round 854 by cybercats (Div. 1 + Div. 2)	Feb/27/2023 17:35	4745	1	-85	1380	Became Pupil coder3000 → coder3000
20	Codeforces Round 853 (Div. 2)	Feb/25/2023 17:20	2277	3	+6	1465
19	Codeforces Round 852 (Div. 2)	Feb/12/2023 11:35	4254	2	-67	1459
18	Codeforces Round 851 (Div. 2)	Feb/09/2023 17:35	1261	3	+74	1526
17	Codeforces Round 850 (Div. 2, based on VK Cup 2022 - Final Round)	Feb/05/2023 15:05	1365	4	+33	1452
16	CodeTON Round 3 (Div. 1 + Div. 2, Rated, Prizes!)	Nov/06/2022 17:35	4323	2	-45	1419
15	Codeforces Round 831 (Div. 1 + Div. 2)	Oct/29/2022 12:10	2450	3	-1	1464
14	Codeforces Round 830 (Div. 2)	Oct/23/2022 13:05	1125	3	+83	1465	Became Specialist coder3000 → coder3000
13	Codeforces Round 829 (Div. 2)	Oct/23/2022 10:50	1878	4	+56	1382
12	Educational Codeforces Round 137 (Rated for Div. 2)	Oct/17/2022 17:35	2549	3	+70	1326
11	Codeforces Round 828 (Div. 3)	Oct/16/2022 17:35	2468	4	+57	1256	Became Pupil coder3000 → coder3000
10	Codeforces Global Round 23	Oct/15/2022 17:35	7953	2	-71	1199	Became Newbie coder3000 → coder3000
9	Codeforces Round 827 (Div. 4)	Oct/13/2022 17:35	3605	4	-1	1270
8	Codeforces Round 826 (Div. 3)	Oct/11/2022 17:35	2859	4	+40	1271
7	Codeforces Round 825 (Div. 2)	Oct/10/2022 17:35	3858	2	+47	1231	Became Pupil coder3000 → coder3000
6	Dytechlab Cup 2022	Oct/07/2022 17:35	3704	1	+77	1184
5	Codeforces Round 824 (Div. 2)	Oct/02/2022 17:35	6924	2	+50	1107
4	Educational Codeforces Round 136 (Rated for Div. 2)	Sep/29/2022 17:35	7870	1	+85	1057
3	Codeforces Round 823 (Div. 2)	Sep/25/2022 17:35	6277	1	+189	972
2	Codeforces Round 822 (Div. 2)	Sep/23/2022 15:05	4258	3	+318	783
1	Codeforces Round 821 (Div. 2)	Sep/19/2022 17:35	4892	2	+465	465	coder3000 → coder3000

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