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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
123	Codeforces Round 839 (Div. 3)	Dec/18/2022 17:35	2354	4	+2	1372
122	Educational Codeforces Round 140 (Rated for Div. 2)	Dec/16/2022 17:35	2442	3	+64	1370
121	Codeforces Round 838 (Div. 2)	Dec/15/2022 17:35	2733	3	+63	1306
120	Educational Codeforces Round 139 (Rated for Div. 2)	Dec/12/2022 17:35	5366	2	-17	1243
119	Codeforces Round 837 (Div. 2)	Dec/11/2022 18:35	6358	1	-59	1260
118	Codeforces Round 825 (Div. 2)	Oct/10/2022 17:35	4323	2	-3	1319
117	Codeforces Round 821 (Div. 2)	Sep/19/2022 17:35	4231	3	-10	1322
116	Codeforces Round 815 (Div. 2)	Aug/18/2022 16:35	9450	0	-160	1332	Became Pupil VFX → VFX
115	Educational Codeforces Round 130 (Rated for Div. 2)	Jun/12/2022 17:35	2533	3	+3	1492
114	Codeforces Round 797 (Div. 3)	Jun/07/2022 17:35	1806	5	+10	1489
113	Codeforces Round 794 (Div. 2)	May/25/2022 20:35	515	3	+128	1479	Became Specialist VFX → VFX
112	Educational Codeforces Round 129 (Rated for Div. 2)	May/23/2022 17:35	5167	3	-33	1351
111	Codeforces Round 793 (Div. 2)	May/22/2022 17:35	3028	3	+19	1384
110	Codeforces Round 792 (Div. 1 + Div. 2)	May/19/2022 17:35	4573	2	-8	1365
109	Codeforces Round 791 (Div. 2)	May/14/2022 12:35	2243	3	+37	1373
108	Educational Codeforces Round 128 (Rated for Div. 2)	May/13/2022 17:35	8137	2	-105	1336	Became Pupil VFX → VFX
107	Educational Codeforces Round 127 (Rated for Div. 2)	Apr/22/2022 17:35	2986	3	-14	1441
106	Codeforces Round 784 (Div. 4)	Apr/21/2022 17:35	730	8	+58	1455	Became Specialist VFX → VFX
105	Codeforces Round 783 (Div. 2)	Apr/19/2022 17:35	3795	3	-44	1397	Became Pupil VFX → VFX
104	Codeforces Round 781 (Div. 2)	Apr/08/2022 17:35	2513	2	+3	1441
103	Codeforces Round 780 (Div. 3)	Mar/31/2022 17:35	1351	4	+38	1438
102	Codeforces Round 779 (Div. 2)	Mar/27/2022 17:35	3623	2	-23	1400
101	Codeforces Round 763 (Div. 2)	Dec/28/2021 16:35	1980	3	+47	1423	Became Specialist VFX → VFX
100	Codeforces Round 761 (Div. 2)	Dec/16/2021 16:35	1393	3	+108	1376
99	Codeforces Round 760 (Div. 3)	Dec/14/2021 17:35	5772	3	-53	1268
98	Educational Codeforces Round 118 (Rated for Div. 2)	Dec/01/2021 17:35	2698	3	+58	1321
97	Codeforces Round 756 (Div. 3)	Nov/25/2021 17:35	3439	3	+7	1263
96	Codeforces Round 753 (Div. 3)	Nov/02/2021 17:35	2334	4	+55	1256
95	Codeforces Round 752 (Div. 2)	Oct/30/2021 17:35	5129	2	-14	1201
94	Educational Codeforces Round 116 (Rated for Div. 2)	Oct/29/2021 17:35	5474	2	-11	1215
93	Codeforces Round 751 (Div. 2)	Oct/25/2021 09:35	4348	2	-64	1226
92	Codeforces Round 750 (Div. 2)	Oct/24/2021 13:05	3898	3	-15	1290
91	Codeforces Round 749 (Div. 1 + Div. 2, based on Technocup 2022 Elimination Round 1)	Oct/17/2021 14:05	3417	2	+9	1305
90	Codeforces Round 748 (Div. 3)	Oct/13/2021 17:35	2352	4	+43	1296
89	Educational Codeforces Round 115 (Rated for Div. 2)	Oct/10/2021 12:05	3043	3	+25	1253
88	Codeforces Round 747 (Div. 2)	Oct/08/2021 18:05	3758	3	+23	1228
87	Codeforces Round 746 (Div. 2)	Oct/03/2021 17:35	8386	0	-137	1205
86	Codeforces Round 734 (Div. 3)	Jul/23/2021 17:35	2901	3	+16	1342
85	Harbour.Space Scholarship Contest 2021-2022 (open for everyone, rated, Div. 1 + Div. 2)	Jul/22/2021 17:35	3366	3	+65	1326
84	Codeforces Round 733 (Div. 1 + Div. 2, based on VK Cup 2021 - Elimination (Engine))	Jul/17/2021 17:35	4776	3	+23	1261
83	Educational Codeforces Round 111 (Rated for Div. 2)	Jul/14/2021 17:35	4665	2	+44	1238	Became Pupil VFX → VFX
82	Codeforces Round 732 (Div. 2)	Jul/11/2021 17:05	5864	1	-17	1194	Became Newbie VFX → VFX
81	Codeforces Round 730 (Div. 2)	Jul/07/2021 17:35	5824	2	+11	1211
80	Codeforces Round 729 (Div. 2)	Jul/03/2021 16:05	9418	1	-75	1200
79	Codeforces Round 728 (Div. 2)	Jun/25/2021 18:35	2472	3	+93	1275	Became Pupil VFX → VFX
78	Codeforces Round 727 (Div. 2)	Jun/20/2021 13:05	3938	3	+49	1182
77	Codeforces Round 726 (Div. 2)	Jun/18/2021 17:35	11025	2	-54	1133
76	Codeforces LATOKEN Round 1 (Div. 1 + Div. 2)	Jun/13/2021 18:35	5614	1	-52	1187	Became Newbie VFX → VFX
75	Codeforces Round 725 (Div. 3)	Jun/10/2021 17:35	4419	3	+14	1239
74	Codeforces Round 724 (Div. 2)	Jun/06/2021 17:35	5561	2	-9	1225
73	Educational Codeforces Round 110 (Rated for Div. 2)	Jun/04/2021 17:35	6206	2	+1	1234
72	Codeforces Round 723 (Div. 2)	May/28/2021 17:05	4555	2	+45	1233	Became Pupil VFX → VFX
71	Codeforces Round 722 (Div. 2)	May/24/2021 17:35	4572	2	+64	1188
70	Codeforces Round 721 (Div. 2)	May/20/2021 17:35	7876	1	+3	1124
69	Codeforces Round 720 (Div. 2)	May/07/2021 17:35	9478	0	-120	1121	Became Newbie VFX → VFX
68	Codeforces Round 719 (Div. 3)	May/05/2021 17:35	3089	4	+61	1241	Became Pupil VFX → VFX
67	Codeforces Global Round 14	May/02/2021 17:35	4743	3	+73	1180
66	Educational Codeforces Round 108 (Rated for Div. 2)	Apr/29/2021 17:35	8473	2	-27	1107
65	Contest 2050 and Codeforces Round 718 (Div. 1 + Div. 2)	Apr/23/2021 17:35	9454	1	-83	1134	Became Newbie VFX → VFX
64	Codeforces Round 717 (Div. 2)	Apr/21/2021 16:35	7017	1	-44	1217
63	Codeforces Round 716 (Div. 2)	Apr/19/2021 16:35	3346	2	+48	1261
62	Codeforces Round 715 (Div. 2)	Apr/16/2021 17:35	4335	2	+22	1213	Became Pupil VFX → VFX
61	Codeforces Round 713 (Div. 3)	Apr/10/2021 17:35	2073	4	+107	1191
60	Codeforces Round 712 (Div. 2)	Apr/03/2021 17:35	8202	1	-65	1084
59	CodeCraft-21 and Codeforces Round 711 (Div. 2)	Mar/29/2021 17:35	4419	1	+41	1149
58	Codeforces Round 710 (Div. 3)	Mar/25/2021 17:35	9019	1	-76	1108
57	Codeforces Round 709 (Div. 2, based on Technocup 2021 Final Round)	Mar/21/2021 16:20	5402	1	-55	1184	Became Newbie VFX → VFX
56	Codeforces Global Round 12	Dec/06/2020 17:35	2884	2	+115	1239	Became Pupil VFX → VFX
55	Codeforces Round 688 (Div. 2)	Dec/04/2020 16:05	5692	1	-8	1124
54	Educational Codeforces Round 99 (Rated for Div. 2)	Nov/30/2020 17:35	5699	2	+25	1132
53	Codeforces Round 680 (Div. 2, based on Moscow Team Olympiad)	Nov/01/2020 14:05	3536	2	+51	1107
52	Educational Codeforces Round 97 (Rated for Div. 2)	Oct/27/2020 17:35	7379	1	-25	1056
51	Codeforces Round 679 (Div. 2, based on Technocup 2021 Elimination Round 1)	Oct/25/2020 14:05	5424	1	-76	1081
50	Codeforces Round 678 (Div. 2)	Oct/24/2020 17:05	3623	2	+87	1157
49	Codeforces Round 677 (Div. 3)	Oct/20/2020 17:35	6551	3	-1	1070
48	Codeforces Round 676 (Div. 2)	Oct/18/2020 12:05	6863	1	-53	1071
47	Educational Codeforces Round 96 (Rated for Div. 2)	Oct/11/2020 12:05	5956	2	-69	1124
46	Codeforces Global Round 11	Oct/10/2020 17:50	5000	1	+17	1193
45	Codeforces Round 675 (Div. 2)	Oct/04/2020 19:05	3494	2	+64	1176
44	Grakn Forces 2020	Sep/30/2020 17:35	4783	2	+49	1112
43	Codeforces Round 674 (Div. 3)	Sep/28/2020 11:05	3874	3	+36	1063
42	Codeforces Round 673 (Div. 2)	Sep/27/2020 18:05	4822	2	+36	1027
41	Codeforces Round 672 (Div. 2)	Sep/24/2020 17:35	7677	1	+33	991
40	Codeforces Round 671 (Div. 2)	Sep/19/2020 17:35	7819	1	-5	958
39	Codeforces Round 670 (Div. 2)	Sep/12/2020 16:45	5410	2	+149	963
38	Codeforces Round 669 (Div. 2)	Sep/08/2020 17:35	8087	0	-88	814
37	Codeforces Round 668 (Div. 2)	Sep/06/2020 17:35	10722	1	-56	902
36	Codeforces Round 667 (Div. 3)	Sep/04/2020 17:35	11690	1	-43	958
35	Codeforces Round 666 (Div. 2)	Aug/30/2020 17:35	8520	1	+14	1001
34	Educational Codeforces Round 94 (Rated for Div. 2)	Aug/25/2020 17:35	7386	1	+84	987
33	Codeforces Round 665 (Div. 2)	Aug/21/2020 17:35	10762	1	-12	903
32	Codeforces Global Round 10	Aug/16/2020 17:35	9336	1	-18	915
31	Educational Codeforces Round 93 (Rated for Div. 2)	Aug/14/2020 17:35	10932	2	-16	933
30	Codeforces Round 664 (Div. 2)	Aug/12/2020 17:35	9705	1	-3	949
29	Codeforces Round 663 (Div. 2)	Aug/09/2020 17:35	10450	2	-26	952
28	Codeforces Round 662 (Div. 2)	Aug/07/2020 17:35	8471	1	+46	978
27	Codeforces Round 661 (Div. 3)	Aug/05/2020 17:35	13406	2	-57	932
26	Codeforces Round 660 (Div. 2)	Jul/30/2020 17:35	9659	2	+8	989
25	Educational Codeforces Round 92 (Rated for Div. 2)	Jul/29/2020 17:35	8234	1	+74	981
24	Codeforces Round 658 (Div. 2)	Jul/21/2020 17:35	12092	1	-33	907
23	Codeforces Round 657 (Div. 2)	Jul/19/2020 12:00	4463	0	-70	940
22	Codeforces Round 656 (Div. 3)	Jul/17/2020 17:35	11333	2	-53	1010
21	Codeforces Global Round 9	Jul/04/2020 17:45	8486	1	-18	1063
20	Codeforces Round 654 (Div. 2)	Jul/01/2020 16:35	10869	1	-54	1081
19	Codeforces Round 653 (Div. 3)	Jun/28/2020 17:35	5676	3	+30	1135
18	Educational Codeforces Round 90 (Rated for Div. 2)	Jun/25/2020 17:35	7506	2	+11	1105
17	Codeforces Round 652 (Div. 2)	Jun/23/2020 17:05	8015	2	+28	1094
16	Codeforces Round 651 (Div. 2)	Jun/20/2020 17:35	8443	2	+35	1066
15	Codeforces Global Round 8	Jun/18/2020 17:45	11992	1	-75	1031
14	Codeforces Round 650 (Div. 3)	Jun/16/2020 17:35	5588	3	+63	1106
13	Codeforces Round 649 (Div. 2)	Jun/13/2020 18:05	7103	1	+59	1043
12	Educational Codeforces Round 89 (Rated for Div. 2)	Jun/11/2020 17:35	7642	1	+80	984
11	Codeforces Round 648 (Div. 2)	Jun/07/2020 17:35	11007	0	-96	904
10	Codeforces Round 647 (Div. 2) - Thanks, Algo Muse!	Jun/04/2020 17:35	7540	2	+76	1000
9	Codeforces Round 646 (Div. 2)	May/31/2020 17:35	9913	0	-90	924
8	Educational Codeforces Round 88 (Rated for Div. 2)	May/28/2020 17:35	10510	2	-1	1014
7	Codeforces Round 645 (Div. 2)	May/26/2020 17:35	11449	2	-17	1015
6	Codeforces Round 644 (Div. 3)	May/24/2020 16:35	9454	2	-37	1032
5	Educational Codeforces Round 87 (Rated for Div. 2)	May/17/2020 12:20	10401	1	-79	1069
4	Codeforces Round 643 (Div. 2)	May/16/2020 14:35	8877	0	-102	1148	Became Newbie VFX → VFX
3	Codeforces Round 642 (Div. 3)	May/14/2020 17:35	8799	3	-36	1250
2	Codeforces Round 641 (Div. 2)	May/12/2020 15:35	10240	0	-122	1286	Became Pupil VFX → VFX
1	Codeforces Round 638 (Div. 2)	May/01/2020 17:35	11201	1	-92	1408	Became Specialist VFX → VFX

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