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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
64	Codeforces Round 842 (Div. 2)	Jan/05/2023 17:35	8221	2	-104	1451
63	Educational Codeforces Round 140 (Rated for Div. 2)	Dec/16/2022 17:35	2952	3	-24	1555
62	Codeforces Round 838 (Div. 2)	Dec/15/2022 17:35	1260	3	+46	1579
61	Codeforces Round 826 (Div. 3)	Oct/11/2022 17:35	3014	4	-56	1533
60	Codeforces Global Round 22	Sep/30/2022 17:35	1963	3	+33	1589
59	Codeforces Round 822 (Div. 2)	Sep/23/2022 15:05	1048	4	+68	1556
58	Codeforces Round 820 (Div. 3)	Sep/12/2022 17:35	822	5	+68	1488
57	Educational Codeforces Round 135 (Rated for Div. 2)	Sep/08/2022 17:35	13435	0	-183	1420	Became Specialist aruichen → aruichen
56	Codeforces Round 816 (Div. 2)	Aug/20/2022 17:35	1683	3	+16	1603	Became Expert aruichen → aruichen
55	Codeforces Round 815 (Div. 2)	Aug/18/2022 16:35	1022	4	+71	1587
54	Codeforces Round 814 (Div. 2)	Aug/16/2022 17:35	3981	3	-54	1516
53	Codeforces Round 813 (Div. 2)	Aug/13/2022 17:35	13929	0	-198	1570	Became Specialist aruichen → aruichen
52	Codeforces Round 812 (Div. 2)	Aug/06/2022 17:35	1033	4	+12	1768
51	CodeTON Round 2 (Div. 1 + Div. 2, Rated, Prizes!)	Jul/31/2022 17:05	1288	4	+56	1756
50	Codeforces Round 810 (Div. 2)	Jul/24/2022 17:35	1504	3	-17	1700
49	Codeforces Round 808 (Div. 2)	Jul/16/2022 17:35	745	3	+45	1717
48	Codeforces Global Round 21	Jun/25/2022 17:35	1471	4	+59	1672
47	Codeforces Round 802 (Div. 2)	Jun/19/2022 12:05	1523	3	+2	1613
46	Codeforces Round 800 (Div. 2)	Jun/16/2022 17:35	1324	3	+19	1611	Became Expert aruichen → aruichen
45	Educational Codeforces Round 130 (Rated for Div. 2)	Jun/12/2022 17:35	3972	3	-76	1592	Became Specialist aruichen → aruichen
44	Codeforces Round 796 (Div. 2)	Jun/03/2022 17:35	187	5	+165	1668	Became Expert aruichen → aruichen
43	CodeCraft-22 and Codeforces Round 795 (Div. 2)	May/31/2022 17:35	2659	3	-3	1503
42	Codeforces Round 792 (Div. 1 + Div. 2)	May/19/2022 17:35	1638	3	+93	1506
41	Codeforces Round 791 (Div. 2)	May/14/2022 12:35	1883	3	+43	1413	Became Specialist aruichen → aruichen
40	Educational Codeforces Round 128 (Rated for Div. 2)	May/13/2022 17:35	7066	2	-94	1370	Became Pupil aruichen → aruichen
39	Codeforces Round 789 (Div. 2)	May/08/2022 17:35	1298	3	+64	1464
38	Codeforces Round 788 (Div. 2)	May/06/2022 17:35	2598	3	+8	1400	Became Specialist aruichen → aruichen
37	Codeforces Round 787 (Div. 3)	May/05/2022 17:35	2342	4	+1	1392
36	Codeforces Round 786 (Div. 3)	May/02/2022 17:35	2483	4	-6	1391
35	Codeforces Round 785 (Div. 2)	Apr/30/2022 17:35	2574	3	+17	1397
34	Codeforces Global Round 20	Apr/23/2022 17:05	1849	4	+107	1380
33	Codeforces Round 784 (Div. 4)	Apr/21/2022 17:35	2444	7	+30	1273
32	Codeforces Round 783 (Div. 2)	Apr/19/2022 17:35	3637	3	+13	1243
31	Educational Codeforces Round 126 (Rated for Div. 2)	Apr/09/2022 17:35	2200	2	+117	1230	Became Pupil aruichen → aruichen
30	Codeforces Round 780 (Div. 3)	Mar/31/2022 17:35	4320	2	+51	1113
29	Codeforces Round 779 (Div. 2)	Mar/27/2022 17:35	6031	2	+13	1062
28	CodeTON Round 1 (Div. 1 + Div. 2, Rated, Prizes!)	Mar/24/2022 17:35	5871	3	+75	1049
27	Codeforces Round 777 (Div. 2)	Mar/11/2022 17:35	5469	2	+98	974
26	Codeforces Round 775 (Div. 2, based on Moscow Open Olympiad in Informatics)	Mar/06/2022 12:55	6745	0	-101	876
25	Codeforces Round 773 (Div. 2)	Feb/23/2022 13:10	6846	1	-30	977
24	Educational Codeforces Round 123 (Rated for Div. 2)	Feb/22/2022 17:35	10208	2	-37	1007
23	Codeforces Round 771 (Div. 2)	Feb/14/2022 17:35	9429	1	-34	1044
22	Codeforces Global Round 19	Feb/12/2022 17:35	8068	2	+7	1078
21	Codeforces Round 768 (Div. 2)	Jan/27/2022 17:35	7949	2	+21	1071
20	Codeforces Round 767 (Div. 2)	Jan/22/2022 17:35	7597	2	+31	1050
19	Codeforces Round 764 (Div. 3)	Jan/10/2022 17:35	11106	2	-28	1019
18	Codeforces Round 761 (Div. 2)	Dec/16/2021 16:35	4886	2	+47	1047
17	Codeforces Round 760 (Div. 3)	Dec/14/2021 17:35	6109	3	+34	1000
16	Codeforces Global Round 17	Nov/23/2021 17:35	5628	2	+66	966
15	Educational Codeforces Round 117 (Rated for Div. 2)	Nov/22/2021 12:35	4165	2	+94	900
14	Codeforces Round 753 (Div. 3)	Nov/02/2021 17:35	7140	2	+99	806
13	Educational Codeforces Round 115 (Rated for Div. 2)	Oct/10/2021 12:05	7930	0	-97	707
12	Codeforces Round 744 (Div. 3)	Sep/28/2021 17:35	11617	1	-7	804
11	Educational Codeforces Round 114 (Rated for Div. 2)	Sep/20/2021 17:35	8605	1	+36	811
10	Codeforces Global Round 16	Sep/12/2021 17:35	10141	1	-40	775
9	Codeforces Round 742 (Div. 2)	Sep/05/2021 17:35	10750	1	-19	815
8	Deltix Round, Summer 2021 (open for everyone, rated, Div. 1 + Div. 2)	Aug/29/2021 17:35	9730	1	-49	834
7	Codeforces Round 741 (Div. 2)	Aug/26/2021 17:35	11959	1	-80	883
6	Codeforces Round 739 (Div. 3)	Aug/18/2021 17:35	14016	2	-30	963
5	Codeforces Round 732 (Div. 2)	Jul/11/2021 17:05	7437	1	+81	993
4	Codeforces Round 731 (Div. 3)	Jul/10/2021 17:35	12264	1	+58	912
3	Codeforces Round 730 (Div. 2)	Jul/07/2021 17:35	8318	2	+217	854
2	Codeforces Round 729 (Div. 2)	Jul/03/2021 16:05	12608	1	+232	637
1	Codeforces Round 726 (Div. 2)	Jun/18/2021 17:35	11582	2	+405	405	aruichen → aruichen

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