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Educational Codeforces Round 190 (Rated for Div. 2)
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Codeforces Edu Round 190 (Div 2) — Solution Discussion

By Shayan

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Contests

#	Contest	Start time	Rank	Solved	Rating change	New rating
124	Codeforces Round 1080 (Div. 3)	Feb/15/2026 17:45	2062	5	+55	1389
123	Codeforces Round 1073 (Div. 2)	Jan/17/2026 17:35	14755	1	-141	1334	Became Pupil sarvesh_87 → sarvesh_87
122	Codeforces Round 1069 (Div. 2)	Dec/06/2025 11:15	1879	3	+6	1475
121	Educational Codeforces Round 185 (Rated for Div. 2)	Nov/28/2025 17:35	7595	1	-106	1469
120	Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2)	Oct/03/2025 17:35	5548	2	-75	1575	Became Specialist sarvesh_87 → sarvesh_87
119	Codeforces Round 1046 (Div. 2)	Aug/28/2025 17:35	3429	3	-59	1650
118	Codeforces Round 1044 (Div. 2)	Aug/24/2025 17:35	5490	3	-103	1709
117	Codeforces Round 1019 (Div. 2)	Apr/21/2025 17:35	3850	2	-121	1812	Became Expert sarvesh_87 → sarvesh_87
116	Codeforces Round 1011 (Div. 2)	Mar/22/2025 17:35	98	5	+149	1933	Became Candidate Master sarvesh_87 → sarvesh_87
115	Codeforces Round 1007 (Div. 2)	Feb/28/2025 17:35	328	4	+119	1784
114	Educational Codeforces Round 175 (Rated for Div. 2)	Feb/27/2025 17:35	2706	3	-36	1665
113	Educational Codeforces Round 174 (Rated for Div. 2)	Feb/18/2025 17:35	804	4	+67	1701
112	Codeforces Round 1005 (Div. 2)	Feb/16/2025 17:35	3051	3	-32	1634
111	Codeforces Round 1004 (Div. 2)	Feb/11/2025 17:35	3722	2	-69	1666
110	Codeforces Round 1002 (Div. 2)	Feb/02/2025 17:35	8387	1	-155	1735
109	Codeforces Round 1000 (Div. 2)	Jan/22/2025 15:05	482	4	+55	1890
108	Codeforces Round 997 (Div. 2)	Jan/17/2025 17:35	579	3	+48	1835
107	Hello 2025	Jan/04/2025 17:35	2056	3	+7	1787
106	Codeforces Round 994 (Div. 2)	Dec/20/2024 17:35	1460	3	-11	1780
105	Codeforces Global Round 28	Dec/19/2024 17:35	1998	4	-16	1791
104	Codeforces Round 986 (Div. 2)	Nov/10/2024 18:35	952	3	-8	1807
103	Refact.ai Match 1 (Codeforces Round 985)	Nov/09/2024 17:35	1037	4	+53	1815
102	Educational Codeforces Round 171 (Rated for Div. 2)	Oct/28/2024 17:35	2715	3	-62	1762
101	Codeforces Round 980 (Div. 2)	Oct/20/2024 12:05	661	4	+4	1824
100	Codeforces Round 979 (Div. 2)	Oct/19/2024 17:05	1272	4	-19	1820
99	Educational Codeforces Round 170 (Rated for Div. 2)	Oct/14/2024 17:35	729	4	+32	1839
98	Codeforces Round 978 (Div. 2)	Oct/13/2024 22:35	225	4	+87	1807
97	Codeforces Round 976 (Div. 2) and Divide By Zero 9.0	Sep/29/2024 18:35	1043	4	+45	1720
96	Codeforces Round 975 (Div. 2)	Sep/27/2024 16:35	1150	3	+28	1675
95	Codeforces Round 973 (Div. 2)	Sep/20/2024 17:35	10958	2	-169	1647
94	Codeforces Round 972 (Div. 2)	Sep/14/2024 17:35	571	4	+70	1816
93	Codeforces Round 969 (Div. 2)	Aug/30/2024 17:35	461	4	+78	1746
92	EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2)	Aug/11/2024 17:35	1746	4	+60	1668
91	Codeforces Round 965 (Div. 2)	Aug/10/2024 17:35	1998	2	+35	1608	Became Expert sarvesh_87 → sarvesh_87
90	Codeforces Round 963 (Div. 2)	Aug/04/2024 17:35	6815	2	-85	1573	Became Specialist sarvesh_87 → sarvesh_87
89	Pinely Round 4 (Div. 1 + Div. 2)	Jul/28/2024 17:35	9016	2	-168	1658
88	Codeforces Round 960 (Div. 2)	Jul/20/2024 17:35	673	4	+45	1826
87	Codeforces Round 958 (Div. 2)	Jul/15/2024 17:35	934	3	+33	1781
86	EPIC Institute of Technology Round Summer 2024 (Div. 1 + Div. 2)	Jun/30/2024 17:35	2076	4	-8	1748
85	Educational Codeforces Round 167 (Rated for Div. 2)	Jun/27/2024 17:35	1011	4	+31	1756
84	Codeforces Round 955 (Div. 2, with prizes from NEAR!)	Jun/25/2024 17:35	730	4	+69	1725
83	Codeforces Global Round 26	Jun/09/2024 17:35	2327	4	+9	1656
82	Codeforces Round 951 (Div. 2)	Jun/06/2024 17:35	2309	3	-5	1647
81	Codeforces Round 949 (Div. 2)	May/31/2024 13:05	704	3	+81	1652	Became Expert sarvesh_87 → sarvesh_87
80	Educational Codeforces Round 166 (Rated for Div. 2)	May/30/2024 17:35	2378	3	+17	1571
79	Codeforces Round 948 (Div. 2)	May/26/2024 17:35	2035	2	+24	1554
78	Codeforces Round 947 (Div. 1 + Div. 2)	May/25/2024 17:35	6129	3	-97	1530	Became Specialist sarvesh_87 → sarvesh_87
77	Codeforces Round 940 (Div. 2) and CodeCraft-23	Apr/21/2024 17:35	2705	3	-34	1627
76	Codeforces Round 939 (Div. 2)	Apr/13/2024 17:35	2213	3	-22	1661
75	Educational Codeforces Round 164 (Rated for Div. 2)	Apr/12/2024 17:35	3914	3	-72	1683
74	Codeforces Global Round 25	Apr/06/2024 17:35	1523	4	+37	1755
73	Codeforces Round 936 (Div. 2)	Mar/22/2024 17:35	1386	3	+15	1718
72	Educational Codeforces Round 163 (Rated for Div. 2)	Mar/15/2024 17:35	3641	3	-66	1703
71	Codeforces Round 931 (Div. 2)	Mar/01/2024 17:35	409	4	+102	1769
70	Codeforces Round 930 (Div. 2)	Feb/29/2024 17:35	584	3	+87	1667	Became Expert sarvesh_87 → sarvesh_87
69	think-cell Round 1	Feb/17/2024 17:35	3341	2	-32	1580	Became Specialist sarvesh_87 → sarvesh_87
68	Codeforces Round 926 (Div. 2)	Feb/15/2024 17:35	5603	2	-90	1612
67	Codeforces Round 924 (Div. 2)	Feb/11/2024 12:35	1622	3	-19	1702
66	Codeforces Round 922 (Div. 2)	Jan/30/2024 17:35	1371	3	+15	1721
65	Codeforces Round 921 (Div. 2)	Jan/27/2024 17:45	701	3	+48	1706
64	Educational Codeforces Round 161 (Rated for Div. 2)	Jan/18/2024 17:35	1891	3	-6	1658
63	Codeforces Round 919 (Div. 2)	Jan/13/2024 17:35	1529	3	+21	1664
62	Hello 2024	Jan/06/2024 17:35	5535	3	-63	1643
61	Good Bye 2023	Dec/30/2023 17:50	2081	4	+50	1706
60	Codeforces Round 917 (Div. 2)	Dec/24/2023 17:35	1141	3	+42	1656
59	Pinely Round 3 (Div. 1 + Div. 2)	Dec/23/2023 17:35	2365	3	+6	1614
58	Educational Codeforces Round 160 (Rated for Div. 2)	Dec/18/2023 17:35	2311	3	-21	1608
57	Codeforces Round 915 (Div. 2)	Dec/16/2023 17:35	868	3	+65	1629	Became Expert sarvesh_87 → sarvesh_87
56	Codeforces Round 914 (Div. 2)	Dec/09/2023 19:05	895	4	+73	1564
55	Codeforces Round 912 (Div. 2)	Nov/30/2023 19:35	1165	3	+50	1491
54	Codeforces Round 911 (Div. 2)	Nov/26/2023 17:35	3336	3	-36	1441
53	Codeforces Round 910 (Div. 2)	Nov/19/2023 17:35	3628	1	-76	1477
52	Codeforces Round 909 (Div. 3)	Nov/17/2023 17:35	442	6	+84	1553
51	Codeforces Round 906 (Div. 2)	Oct/28/2023 17:35	3480	3	-40	1469
50	Codeforces Round 905 (Div. 3)	Oct/22/2023 14:05	1239	4	+15	1509
49	Codeforces Round 904 (Div. 2)	Oct/22/2023 10:05	1535	2	+44	1494
48	Educational Codeforces Round 156 (Rated for Div. 2)	Oct/09/2023 17:35	2991	2	+18	1450
47	Codeforces Round 901 (Div. 2)	Sep/30/2023 17:35	5819	2	-68	1432
46	Codeforces Round 900 (Div. 3)	Sep/26/2023 17:35	373	5	+143	1500	Became Specialist sarvesh_87 → sarvesh_87
45	Codeforces Round 899 (Div. 2)	Sep/25/2023 17:35	3168	3	+52	1357
44	Codeforces Round 898 (Div. 4)	Sep/21/2023 17:35	3359	5	+7	1305
43	CodeTON Round 6 (Div. 1 + Div. 2, Rated, Prizes!)	Sep/18/2023 17:35	5972	2	-25	1298
42	Codeforces Round 895 (Div. 3)	Sep/07/2023 17:35	3002	4	+34	1323
41	Educational Codeforces Round 154 (Rated for Div. 2)	Aug/31/2023 17:35	4094	2	+40	1289
40	Pinely Round 2 (Div. 1 + Div. 2)	Aug/30/2023 17:35	6146	3	-5	1249
39	Codeforces Round 894 (Div. 3)	Aug/24/2023 17:35	12290	2	-90	1254
38	Educational Codeforces Round 153 (Rated for Div. 2)	Aug/17/2023 17:35	4521	2	+20	1344
37	Codeforces Round 893 (Div. 2)	Aug/15/2023 17:35	7275	2	-31	1324
36	Codeforces Round 892 (Div. 2)	Aug/12/2023 17:35	6407	3	-27	1355
35	Codeforces Round 891 (Div. 3)	Aug/07/2023 17:35	3199	4	+18	1382
34	Codeforces Round 890 (Div. 2) supported by Constructor Institute	Aug/05/2023 17:35	4772	2	-4	1364
33	Codeforces Round 889 (Div. 2)	Jul/29/2023 17:35	4004	3	+13	1368
32	Educational Codeforces Round 152 (Rated for Div. 2)	Jul/27/2023 17:35	3963	2	+21	1355
31	Codeforces Round 888 (Div. 3)	Jul/25/2023 17:35	2098	4	+67	1334
30	Codeforces Round 887 (Div. 2)	Jul/23/2023 17:35	7568	1	-62	1267
29	Codeforces Round 886 (Div. 4)	Jul/21/2023 17:35	4323	5	-24	1329
28	Codeforces Round 885 (Div. 2)	Jul/16/2023 17:35	1913	2	+91	1353
27	Codeforces Round 884 (Div. 1 + Div. 2)	Jul/11/2023 17:35	9408	2	-69	1262
26	Codeforces Round 883 (Div. 3)	Jul/07/2023 17:35	1581	5	+90	1331
25	Codeforces Round 882 (Div. 2)	Jul/06/2023 17:35	6524	2	-21	1241
24	Educational Codeforces Round 151 (Rated for Div. 2)	Jun/29/2023 17:35	6925	2	-35	1262
23	Codeforces Round 881 (Div. 3)	Jun/20/2023 17:35	6047	3	-43	1297
22	Codeforces Round 880 (Div. 2)	Jun/18/2023 17:35	1838	2	+86	1340
21	Codeforces Round 879 (Div. 2)	Jun/18/2023 11:05	2673	3	+69	1254	Became Pupil sarvesh_87 → sarvesh_87
20	Educational Codeforces Round 150 (Rated for Div. 2)	Jun/12/2023 17:35	9753	1	-74	1185	Became Newbie sarvesh_87 → sarvesh_87
19	Codeforces Round 878 (Div. 3)	Jun/06/2023 17:35	4030	3	+16	1259
18	Codeforces Round 876 (Div. 2)	Jun/03/2023 17:35	6323	1	-74	1243
17	Educational Codeforces Round 149 (Rated for Div. 2)	May/25/2023 17:35	2842	4	+59	1317
16	Codeforces Round 874 (Div. 3)	May/19/2023 17:35	2165	4	+63	1258	Became Pupil sarvesh_87 → sarvesh_87
15	Codeforces Round 873 (Div. 2)	May/14/2023 17:35	2682	3	+85	1195
14	Educational Codeforces Round 148 (Rated for Div. 2)	May/12/2023 17:35	5622	2	+26	1110
13	Codeforces Round 872 (Div. 2)	May/08/2023 15:05	6202	1	-53	1084
12	Codeforces Round 871 (Div. 4)	May/06/2023 17:35	6435	4	-27	1137
11	Codeforces Round 870 (Div. 2)	May/05/2023 17:35	4021	2	+56	1164
10	Codeforces Round 865 (Div. 2)	Apr/09/2023 17:45	4116	2	+56	1108
9	Codeforces Round 864 (Div. 2)	Apr/08/2023 17:05	5485	2	+29	1052
8	Codeforces Round 863 (Div. 3)	Apr/04/2023 17:35	7369	2	+36	1023
7	Codeforces Round 862 (Div. 2)	Apr/02/2023 17:35	8419	2	-24	987
6	Educational Codeforces Round 145 (Rated for Div. 2)	Mar/23/2023 17:35	11584	1	-24	1011
5	Codeforces Round 859 (Div. 4)	Mar/19/2023 17:55	7141	4	+96	1035
4	Nebius Welcome Round (Div. 1 + Div. 2)	Mar/12/2023 17:35	7437	1	+96	939
3	Codeforces Round 856 (Div. 2)	Mar/04/2023 20:35	4460	2	+236	843
2	Codeforces Round 849 (Div. 4)	Feb/03/2023 17:35	19574	2	+223	607
1	Codeforces Round 844 (Div. 1 + Div. 2, based on VK Cup 2022 - Elimination Round)	Jan/15/2023 15:05	7486	1	+384	384	sarvesh_87 → sarvesh_87

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