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Codeforces Round 1098 (Div. 2)
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Codeforces Round 1098 (Div 2) — Solution Discussion

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Codeforces Round 1098 Solution Discussion

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Contests

#	Contest	Start time	Rank	Solved	Rating change	New rating
122	Codeforces Round 1077 (Div. 2)	Jan/29/2026 17:35	7264	2	-84	1517	Became Specialist Prinary → Prinary
121	Codeforces Round 1075 (Div. 2)	Jan/23/2026 17:35	3454	3	-36	1601
120	Codeforces Round 1070 (Div. 2)	Dec/11/2025 17:35	1331	4	+34	1637
119	Codeforces Round 1064 (Div. 2)	Nov/16/2025 17:35	3612	3	-77	1603
118	Codeforces Round 1063 (Div. 2)	Nov/10/2025 18:05	916	3	+55	1680
117	Codeforces Global Round 30 (Div. 1 + Div. 2)	Nov/06/2025 17:35	2864	3	-20	1625
116	Codeforces Round 1061 (Div. 2)	Oct/24/2025 17:35	2983	3	-40	1645
115	Codeforces Round 1060 (Div. 2)	Oct/19/2025 17:35	1153	3	+35	1685
114	Codeforces Round 1059 (Div. 3)	Oct/17/2025 17:35	118	6	+159	1650	Became Expert Prinary → Prinary
113	Codeforces Round 1058 (Div. 2)	Oct/12/2025 17:35	3876	3	-34	1491
112	Codeforces Round 1057 (Div. 2)	Oct/10/2025 17:35	3292	3	-4	1525
111	Educational Codeforces Round 183 (Rated for Div. 2)	Oct/06/2025 17:35	1586	4	+73	1529
110	Codeforces Round 1056 (Div. 2)	Oct/05/2025 19:35	5715	2	-74	1456
109	Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2)	Oct/03/2025 17:35	7955	1	-115	1530	Became Specialist Prinary → Prinary
108	Codeforces Round 1053 (Div. 2)	Sep/24/2025 14:35	4817	1	-132	1645
107	Codeforces Round 1052 (Div. 2)	Sep/21/2025 17:35	808	5	+37	1777
106	Codeforces Global Round 29 (Div. 1 + Div. 2)	Sep/20/2025 17:35	1774	4	+29	1740
105	Codeforces Round 1051 (Div. 2)	Sep/17/2025 17:35	2121	3	-20	1711
104	Educational Codeforces Round 182 (Rated for Div. 2)	Sep/15/2025 17:35	2280	3	-32	1731
103	Codeforces Round 1049 (Div. 2)	Sep/09/2025 17:35	603	4	+82	1763
102	Codeforces Round 1046 (Div. 2)	Aug/28/2025 17:35	1136	4	+27	1681
101	Codeforces Round 1045 (Div. 2)	Aug/26/2025 17:35	1913	3	+18	1654
100	Codeforces Round 1044 (Div. 2)	Aug/24/2025 17:35	1606	3	+38	1636	Became Expert Prinary → Prinary
99	Codeforces Round 1043 (Div. 3)	Aug/21/2025 17:35	887	6	+47	1598
98	Codeforces Round 1042 (Div. 3)	Aug/10/2025 17:35	2051	5	-5	1551
97	Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2)	Aug/07/2025 17:35	5103	2	-58	1556	Became Specialist Prinary → Prinary
96	Codeforces Round 1040 (Div. 2)	Jul/31/2025 17:35	1144	4	+56	1614	Became Expert Prinary → Prinary
95	Codeforces Round 1039 (Div. 2)	Jul/27/2025 17:35	7400	2	-104	1558	Became Specialist Prinary → Prinary
94	Educational Codeforces Round 181 (Rated for Div. 2)	Jul/22/2025 17:35	2688	4	-23	1662
93	Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2)	Jul/19/2025 17:35	2736	3	0	1685
92	EPIC Institute of Technology Round Summer 2025 (Codeforces Round 1036, Div. 1 + Div. 2)	Jul/06/2025 17:35	1171	4	+82	1685
91	Codeforces Round 1035 (Div. 2)	Jul/05/2025 17:35	1153	3	+88	1603	Became Expert Prinary → Prinary
90	Codeforces Round 1034 (Div. 3)	Jul/01/2025 17:35	1475	5	+35	1515
89	Codeforces Round 1033 (Div. 2) and CodeNite 2025	Jun/21/2025 17:35	5159	2	-52	1480
88	Codeforces Round 1032 (Div. 3)	Jun/17/2025 17:35	4810	4	-64	1532
87	Codeforces Round 1031 (Div. 2)	Jun/15/2025 12:05	1735	3	-3	1596
86	Codeforces Round 1026 (Div. 2)	May/24/2025 17:35	3919	3	-45	1599	Became Specialist Prinary → Prinary
85	Codeforces Round 1025 (Div. 2)	May/17/2025 17:35	2548	3	-30	1644
84	Codeforces Round 1024 (Div. 2)	May/11/2025 17:35	1278	3	0	1674
83	Codeforces Round 1021 (Div. 2)	Apr/26/2025 11:35	506	3	+49	1674
82	Codeforces Round 1019 (Div. 2)	Apr/21/2025 17:35	1786	3	+10	1625
81	Neowise Labs Contest 1 (Codeforces Round 1018, Div. 1 + Div. 2)	Apr/19/2025 17:35	2929	3	+3	1615
80	Teza Round 1 (Codeforces Round 1015, Div. 1 + Div. 2)	Apr/05/2025 17:35	1953	4	+46	1612	Became Expert Prinary → Prinary
79	Educational Codeforces Round 177 (Rated for Div. 2)	Apr/03/2025 17:35	2531	3	+9	1566
78	Codeforces Round 1013 (Div. 3)	Mar/25/2025 17:35	752	6	+70	1557
77	Codeforces Round 1011 (Div. 2)	Mar/22/2025 17:35	1045	3	+139	1487	Became Specialist Prinary → Prinary
76	Educational Codeforces Round 176 (Rated for Div. 2)	Mar/17/2025 17:35	8058	1	-56	1348	Became Pupil Prinary → Prinary
75	Codeforces Round 1009 (Div. 3)	Mar/11/2025 17:35	4017	3	-11	1404
74	Codeforces Round 1008 (Div. 2)	Mar/10/2025 17:45	7542	2	-77	1415
73	Educational Codeforces Round 174 (Rated for Div. 2)	Feb/18/2025 17:35	4062	2	-21	1492
72	Codeforces Round 1005 (Div. 2)	Feb/16/2025 17:35	5582	3	-59	1513
71	Codeforces Round 1004 (Div. 2)	Feb/11/2025 17:35	2579	3	-7	1572
70	Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2)	Jan/26/2025 17:35	2199	3	+69	1579
69	Codeforces Round 1000 (Div. 2)	Jan/22/2025 15:05	5089	2	-42	1510
68	IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)	Jan/20/2025 17:35	2985	3	+3	1552
67	Codeforces Round 998 (Div. 3)	Jan/19/2025 17:35	543	5	+101	1549
66	Codeforces Round 997 (Div. 2)	Jan/17/2025 17:35	4014	3	+2	1448
65	Codeforces Round 996 (Div. 2)	Jan/12/2025 17:35	5492	3	-17	1446
64	Hello 2025	Jan/04/2025 17:35	3077	3	+62	1463
63	Codeforces Round 993 (Div. 4)	Dec/15/2024 17:35	1390	5	+45	1401	Became Specialist Prinary → Prinary
62	Codeforces Round 991 (Div. 3)	Dec/05/2024 17:35	4575	4	-27	1356
61	Codeforces Round 990 (Div. 2)	Dec/03/2024 09:25	2786	3	-41	1383	Became Pupil Prinary → Prinary
60	Educational Codeforces Round 172 (Rated for Div. 2)	Dec/02/2024 17:35	2850	2	+12	1424
59	Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)	Nov/30/2024 17:35	3871	3	0	1412
58	Codeforces Round 986 (Div. 2)	Nov/10/2024 18:35	1876	3	+57	1412	Became Specialist Prinary → Prinary
57	Educational Codeforces Round 171 (Rated for Div. 2)	Oct/28/2024 17:35	3771	2	+34	1355
56	Codeforces Round 982 (Div. 2)	Oct/26/2024 17:35	3998	2	+14	1321
55	Codeforces Round 981 (Div. 3)	Oct/24/2024 17:35	22691	0	-156	1307	Became Pupil Prinary → Prinary
54	Codeforces Round 979 (Div. 2)	Oct/19/2024 17:05	2863	3	+25	1463
53	Educational Codeforces Round 170 (Rated for Div. 2)	Oct/14/2024 17:35	5219	3	-27	1438
52	Codeforces Round 975 (Div. 2)	Sep/27/2024 16:35	2621	3	+25	1465
51	Codeforces Round 972 (Div. 2)	Sep/14/2024 17:35	5243	3	-29	1440
50	Codeforces Round 967 (Div. 2)	Aug/20/2024 17:35	3621	3	+17	1469
49	Educational Codeforces Round 169 (Rated for Div. 2)	Aug/15/2024 17:35	5181	3	-12	1452
48	Codeforces Round 966 (Div. 3)	Aug/13/2024 17:40	3283	5	+6	1464
47	Pinely Round 4 (Div. 1 + Div. 2)	Jul/28/2024 17:35	2032	4	+116	1458	Became Specialist Prinary → Prinary
46	Codeforces Round 962 (Div. 3)	Jul/26/2024 17:35	4086	4	+18	1342
45	Codeforces Round 961 (Div. 2)	Jul/23/2024 17:35	6310	2	-27	1324
44	Codeforces Round 960 (Div. 2)	Jul/20/2024 17:35	2896	3	+77	1351
43	Codeforces Round 957 (Div. 3)	Jul/11/2024 17:35	8010	4	-25	1274
42	Codeforces Round 956 (Div. 2) and ByteRace 2024	Jul/07/2024 17:35	6323	2	-5	1299
41	EPIC Institute of Technology Round Summer 2024 (Div. 1 + Div. 2)	Jun/30/2024 17:35	6374	3	-22	1304
40	Codeforces Round 954 (Div. 3)	Jun/23/2024 17:50	7414	3	-36	1326
39	Codeforces Round 952 (Div. 4)	Jun/11/2024 17:35	1312	6	+63	1362
38	Codeforces Round 951 (Div. 2)	Jun/06/2024 17:35	6368	3	+3	1299
37	Codeforces Round 950 (Div. 3)	Jun/03/2024 17:35	5101	3	+20	1296
36	Codeforces Round 949 (Div. 2)	May/31/2024 13:05	3509	2	+42	1276
35	Educational Codeforces Round 166 (Rated for Div. 2)	May/30/2024 17:35	6897	2	+11	1234
34	Codeforces Round 948 (Div. 2)	May/26/2024 17:35	4904	2	+42	1223	Became Pupil Prinary → Prinary
33	Codeforces Round 947 (Div. 1 + Div. 2)	May/25/2024 17:35	7743	2	-33	1181	Became Newbie Prinary → Prinary
32	Codeforces Round 946 (Div. 3)	May/20/2024 17:35	5899	3	+2	1214
31	Codeforces Round 945 (Div. 2)	May/17/2024 17:35	8336	1	-55	1212
30	Codeforces Round 944 (Div. 4)	May/10/2024 17:35	4010	4	+7	1267
29	Codeforces Round 939 (Div. 2)	Apr/13/2024 17:35	4379	2	+29	1260
28	Educational Codeforces Round 164 (Rated for Div. 2)	Apr/12/2024 17:35	5550	3	+33	1231	Became Pupil Prinary → Prinary
27	Codeforces Round 937 (Div. 4)	Mar/28/2024 17:45	10856	3	-47	1198	Became Newbie Prinary → Prinary
26	Codeforces Round 935 (Div. 3)	Mar/19/2024 11:05	3935	3	-4	1245
25	Codeforces Round 934 (Div. 2)	Mar/16/2024 17:35	4170	3	+38	1249
24	Educational Codeforces Round 163 (Rated for Div. 2)	Mar/15/2024 17:35	6549	3	+29	1211	Became Pupil Prinary → Prinary
23	Codeforces Round 933 (Div. 3)	Mar/11/2024 17:35	5238	4	+55	1182
22	Codeforces Round 932 (Div. 2)	Mar/05/2024 17:35	8830	1	+11	1127
21	Codeforces Round 931 (Div. 2)	Mar/01/2024 17:35	8276	1	-12	1116
20	Codeforces Round 929 (Div. 3)	Feb/27/2024 17:35	5813	4	+66	1128
19	Codeforces Round 928 (Div. 4)	Feb/19/2024 17:35	9996	2	+1	1062
18	Codeforces Round 927 (Div. 3)	Feb/18/2024 15:05	7777	2	+9	1061
17	think-cell Round 1	Feb/17/2024 17:35	5353	2	+81	1052
16	Codeforces Round 926 (Div. 2)	Feb/15/2024 17:35	15211	2	-65	971
15	Codeforces Round 925 (Div. 3)	Feb/13/2024 17:35	6998	3	+91	1036
14	Codeforces Round 923 (Div. 3)	Feb/06/2024 17:45	19466	1	-48	945
13	Codeforces Round 922 (Div. 2)	Jan/30/2024 17:35	13243	2	-22	993
12	Codeforces Round 921 (Div. 2)	Jan/27/2024 17:45	5596	2	+98	1015
11	Codeforces Round 920 (Div. 3)	Jan/15/2024 17:35	16239	2	-24	917
10	Codeforces Round 919 (Div. 2)	Jan/13/2024 17:35	11223	1	+14	941
9	Codeforces Round 914 (Div. 2)	Dec/09/2023 19:05	6192	0	-100	927
8	Codeforces Round 908 (Div. 2)	Nov/07/2023 17:35	6632	1	-18	1027
7	Educational Codeforces Round 157 (Rated for Div. 2)	Nov/03/2023 17:35	6993	2	+19	1045
6	Codeforces Round 906 (Div. 2)	Oct/28/2023 17:35	8197	2	+9	1026
5	Codeforces Round 905 (Div. 3)	Oct/22/2023 14:05	7718	2	+54	1017
4	Codeforces Round 904 (Div. 2)	Oct/22/2023 10:05	7724	1	+60	963
3	Codeforces Round 903 (Div. 3)	Oct/12/2023 17:35	5100	3	+262	903
2	Educational Codeforces Round 156 (Rated for Div. 2)	Oct/09/2023 17:35	9624	1	+279	641
1	Codeforces Round 900 (Div. 3)	Sep/26/2023 17:35	19994	1	+362	362	Prinary → Prinary

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