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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
155	Codeforces Round 911 (Div. 2)	Nov/26/2023 17:35	3951	2	-25	1328
154	Codeforces Round 842 (Div. 2)	Jan/05/2023 17:35	5001	2	-13	1353
153	Codeforces Round 802 (Div. 2)	Jun/19/2022 12:05	5391	2	-73	1366	Became Pupil keertan → keertan
152	Codeforces Round 799 (Div. 4)	Jun/14/2022 17:35	822	7	+62	1439	Became Specialist keertan → keertan
151	Codeforces Round 785 (Div. 2)	Apr/30/2022 17:35	8072	1	-136	1377	Became Pupil keertan → keertan
150	Educational Codeforces Round 127 (Rated for Div. 2)	Apr/22/2022 17:35	3411	3	-53	1513
149	Educational Codeforces Round 123 (Rated for Div. 2)	Feb/22/2022 17:35	4088	3	-68	1566	Became Specialist keertan → keertan
148	Codeforces Round 771 (Div. 2)	Feb/14/2022 17:35	1515	3	+19	1634
147	Codeforces Round 770 (Div. 2)	Feb/06/2022 17:35	3100	3	-40	1615
146	Educational Codeforces Round 122 (Rated for Div. 2)	Jan/31/2022 17:35	1161	4	+33	1655
145	Codeforces Round 766 (Div. 2)	Jan/15/2022 17:35	2303	3	-24	1622
144	Codeforces Round 763 (Div. 2)	Dec/28/2021 16:35	973	3	+43	1646
143	Educational Codeforces Round 120 (Rated for Div. 2)	Dec/27/2021 17:35	2167	3	-11	1603
142	Codeforces Global Round 18	Dec/24/2021 17:35	3035	2	-29	1614
141	Educational Codeforces Round 119 (Rated for Div. 2)	Dec/18/2021 18:35	1181	3	+19	1643
140	Codeforces Round 761 (Div. 2)	Dec/16/2021 16:35	3359	3	-87	1624
139	Codeforces Round 758 (Div.1 + Div. 2)	Dec/11/2021 13:05	495	3	+144	1711	Became Expert keertan → keertan
138	Deltix Round, Autumn 2021 (open for everyone, rated, Div. 1 + Div. 2)	Nov/28/2021 17:35	2094	3	+8	1567
137	Codeforces Round 757 (Div. 2)	Nov/26/2021 14:15	3938	2	-87	1559	Became Specialist keertan → keertan
136	Codeforces Global Round 17	Nov/23/2021 17:35	1597	3	+31	1646
135	Codeforces Round 754 (Div. 2)	Nov/12/2021 17:35	1226	3	+32	1615	Became Expert keertan → keertan
134	Codeforces Round 752 (Div. 2)	Oct/30/2021 17:35	3215	3	-70	1583	Became Specialist keertan → keertan
133	Codeforces Round 751 (Div. 2)	Oct/25/2021 09:35	1551	3	-59	1653
132	Educational Codeforces Round 115 (Rated for Div. 2)	Oct/10/2021 12:05	574	4	+54	1712
131	Educational Codeforces Round 114 (Rated for Div. 2)	Sep/20/2021 17:35	754	3	+84	1658	Became Expert keertan → keertan
130	Codeforces Global Round 16	Sep/12/2021 17:35	2194	5	+35	1574
129	Educational Codeforces Round 113 (Rated for Div. 2)	Sep/08/2021 17:35	1777	3	+34	1539
128	Codeforces Round 742 (Div. 2)	Sep/05/2021 17:35	1127	3	+105	1505
127	Codeforces Round 741 (Div. 2)	Aug/26/2021 17:35	3724	2	-6	1400
126	Educational Codeforces Round 112 (Rated for Div. 2)	Jul/30/2021 17:35	3349	3	+20	1406	Became Specialist keertan → keertan
125	Codeforces Round 735 (Div. 2)	Jul/29/2021 17:35	3078	2	+38	1386
124	Codeforces Global Round 15	Jul/25/2021 17:35	4686	2	+5	1348
123	Codeforces Round 734 (Div. 3)	Jul/23/2021 17:35	2028	3	+52	1343
122	Educational Codeforces Round 111 (Rated for Div. 2)	Jul/14/2021 17:35	9273	1	-86	1291
121	Codeforces Round 731 (Div. 3)	Jul/10/2021 17:35	3140	4	-3	1377
120	Codeforces Round 730 (Div. 2)	Jul/07/2021 17:35	4395	2	-8	1380
119	Codeforces Round 729 (Div. 2)	Jul/03/2021 16:05	4589	1	-18	1388	Became Pupil keertan → keertan
118	Codeforces Round 728 (Div. 2)	Jun/25/2021 18:35	5174	2	-50	1406
117	Codeforces Round 727 (Div. 2)	Jun/20/2021 13:05	5339	2	-88	1456
116	Codeforces Round 726 (Div. 2)	Jun/18/2021 17:35	2102	4	+43	1544
115	Codeforces LATOKEN Round 1 (Div. 1 + Div. 2)	Jun/13/2021 18:35	3024	3	-26	1501
114	Codeforces Round 725 (Div. 3)	Jun/10/2021 17:35	1631	4	+2	1527
113	Deltix Round, Spring 2021 (open for everyone, rated, Div. 1 + Div. 2)	May/30/2021 17:35	2757	3	+16	1525
112	Codeforces Round 723 (Div. 2)	May/28/2021 17:05	5519	2	-73	1509
111	Codeforces Round 722 (Div. 2)	May/24/2021 17:35	1972	3	+7	1582
110	Codeforces Round 721 (Div. 2)	May/20/2021 17:35	1669	3	+48	1575
109	Educational Codeforces Round 109 (Rated for Div. 2)	May/16/2021 11:00	2654	2	-27	1527
108	Codeforces Round 720 (Div. 2)	May/07/2021 17:35	3452	2	-23	1554
107	Codeforces Global Round 14	May/02/2021 17:35	3243	4	-10	1577
106	Contest 2050 and Codeforces Round 718 (Div. 1 + Div. 2)	Apr/23/2021 17:35	1745	4	+76	1587
105	Codeforces Round 717 (Div. 2)	Apr/21/2021 16:35	1499	3	+72	1511
104	Codeforces Round 715 (Div. 2)	Apr/16/2021 17:35	6072	2	-94	1439
103	Divide by Zero 2021 and Codeforces Round 714 (Div. 2)	Apr/11/2021 17:35	1038	3	+90	1533
102	Codeforces Round 712 (Div. 2)	Apr/03/2021 17:35	3693	2	-40	1443
101	Codeforces Round 710 (Div. 3)	Mar/25/2021 17:35	794	5	+66	1483
100	Codeforces Round 709 (Div. 2, based on Technocup 2021 Final Round)	Mar/21/2021 16:20	1873	2	+28	1417	Became Specialist keertan → keertan
99	Educational Codeforces Round 106 (Rated for Div. 2)	Mar/18/2021 17:50	2830	3	+26	1389
98	Educational Codeforces Round 105 (Rated for Div. 2)	Mar/02/2021 17:45	3957	1	+8	1363
97	Codeforces Round 703 (Div. 2)	Feb/18/2021 17:35	6330	1	-43	1355
96	Codeforces Round 702 (Div. 3)	Feb/16/2021 17:35	1465	5	+51	1398
95	Educational Codeforces Round 104 (Rated for Div. 2)	Feb/15/2021 17:35	4556	2	-1	1347
94	Codeforces Round 700 (Div. 2)	Feb/07/2021 17:35	8542	1	-87	1348	Became Pupil keertan → keertan
93	Codeforces Round 696 (Div. 2)	Jan/19/2021 17:35	3326	2	+15	1435
92	Educational Codeforces Round 102 (Rated for Div. 2)	Jan/14/2021 17:35	3770	3	0	1420
91	Codeforces Round 694 (Div. 2)	Jan/05/2021 17:35	3324	3	+18	1420
90	Codeforces Round 693 (Div. 3)	Jan/04/2021 17:35	6027	3	-70	1402
89	Good Bye 2020	Dec/30/2020 17:35	3631	4	+39	1472
88	Educational Codeforces Round 101 (Rated for Div. 2)	Dec/28/2020 17:35	3235	2	+17	1433
87	Educational Codeforces Round 100 (Rated for Div. 2)	Dec/17/2020 17:35	3396	2	+13	1416
86	Codeforces Round 690 (Div. 3)	Dec/15/2020 17:35	1027	5	+74	1403	Became Specialist keertan → keertan
85	Codeforces Round 689 (Div. 2, based on Zed Code Competition)	Dec/11/2020 17:35	4076	2	-19	1329
84	Codeforces Global Round 12	Dec/06/2020 17:35	3614	2	+26	1348
83	Codeforces Round 688 (Div. 2)	Dec/04/2020 16:05	4074	1	-15	1322
82	Educational Codeforces Round 99 (Rated for Div. 2)	Nov/30/2020 17:35	3961	3	+11	1337
81	Codeforces Round 686 (Div. 3)	Nov/24/2020 17:35	8773	2	-106	1326	Became Pupil keertan → keertan
80	Codeforces Round 685 (Div. 2)	Nov/21/2020 17:35	2516	3	+49	1432	Became Specialist keertan → keertan
79	Codeforces Round 684 (Div. 2)	Nov/17/2020 17:35	2241	3	+36	1383
78	Codeforces Round 680 (Div. 2, based on Moscow Team Olympiad)	Nov/01/2020 14:05	3182	2	-23	1347
77	Educational Codeforces Round 97 (Rated for Div. 2)	Oct/27/2020 17:35	1432	3	+138	1370
76	Codeforces Round 679 (Div. 2, based on Technocup 2021 Elimination Round 1)	Oct/25/2020 14:05	4209	2	-54	1232
75	Codeforces Round 678 (Div. 2)	Oct/24/2020 17:05	4466	2	-5	1286
74	Codeforces Round 677 (Div. 3)	Oct/20/2020 17:35	3095	5	+19	1291
73	Codeforces Round 676 (Div. 2)	Oct/18/2020 12:05	4343	2	-11	1272
72	Codeforces Raif Round 1 (Div. 1 + Div. 2)	Oct/17/2020 16:05	5277	3	-13	1283
71	Educational Codeforces Round 96 (Rated for Div. 2)	Oct/11/2020 12:05	2682	3	+39	1296
70	Codeforces Global Round 11	Oct/10/2020 17:50	6668	1	-74	1257
69	Grakn Forces 2020	Sep/30/2020 17:35	4277	2	-6	1331
68	Codeforces Round 672 (Div. 2)	Sep/24/2020 17:35	5296	2	-15	1337
67	Codeforces Round 671 (Div. 2)	Sep/19/2020 17:35	4747	3	-20	1352
66	Codeforces Round 670 (Div. 2)	Sep/12/2020 16:45	3055	2	+57	1372
65	Codeforces Round 669 (Div. 2)	Sep/08/2020 17:35	4785	2	+15	1315
64	Codeforces Round 667 (Div. 3)	Sep/04/2020 17:35	4210	3	+5	1300
63	Codeforces Round 666 (Div. 2)	Aug/30/2020 17:35	4094	2	+45	1295
62	Educational Codeforces Round 94 (Rated for Div. 2)	Aug/25/2020 17:35	5972	1	+10	1250
61	Codeforces Round 665 (Div. 2)	Aug/21/2020 17:35	6279	2	+2	1240
60	Codeforces Round 663 (Div. 2)	Aug/09/2020 17:35	6285	2	+3	1238
59	Codeforces Round 661 (Div. 3)	Aug/05/2020 17:35	4841	3	+22	1235
58	Codeforces Round 660 (Div. 2)	Jul/30/2020 17:35	6056	2	+34	1213	Became Pupil keertan → keertan
57	Educational Codeforces Round 92 (Rated for Div. 2)	Jul/29/2020 17:35	7368	1	+11	1179
56	Codeforces Round 659 (Div. 2)	Jul/24/2020 17:35	5160	1	+77	1168
55	Codeforces Round 658 (Div. 2)	Jul/21/2020 17:35	10255	1	-36	1091
54	Codeforces Round 656 (Div. 3)	Jul/17/2020 17:35	8783	2	-36	1127
53	Educational Codeforces Round 90 (Rated for Div. 2)	Jun/25/2020 17:35	9217	1	-59	1163	Became Newbie keertan → keertan
52	Codeforces Round 652 (Div. 2)	Jun/23/2020 17:05	8736	2	-37	1222
51	Codeforces Round 651 (Div. 2)	Jun/20/2020 17:35	6790	2	+5	1259
50	Codeforces Global Round 8	Jun/18/2020 17:45	6597	2	+21	1254
49	Codeforces Round 650 (Div. 3)	Jun/16/2020 17:35	1551	3	+169	1233	Became Pupil keertan → keertan
48	Codeforces Round 649 (Div. 2)	Jun/13/2020 18:05	8082	0	-102	1064
47	Educational Codeforces Round 89 (Rated for Div. 2)	Jun/11/2020 17:35	6769	1	+28	1166
46	Codeforces Round 648 (Div. 2)	Jun/07/2020 17:35	7506	2	+38	1138
45	Codeforces Round 646 (Div. 2)	May/31/2020 17:35	9913	0	-102	1100	Became Newbie keertan → keertan
44	Educational Codeforces Round 88 (Rated for Div. 2)	May/28/2020 17:35	8381	2	-8	1202
43	Codeforces Round 645 (Div. 2)	May/26/2020 17:35	6535	2	+52	1210	Became Pupil keertan → keertan
42	Codeforces Round 644 (Div. 3)	May/24/2020 16:35	6744	3	-5	1158
41	Educational Codeforces Round 87 (Rated for Div. 2)	May/17/2020 12:20	8355	1	-32	1163
40	Codeforces Round 643 (Div. 2)	May/16/2020 14:35	7109	1	+28	1195
39	Codeforces Round 641 (Div. 2)	May/12/2020 15:35	5861	1	+73	1167
38	Codeforces Round 640 (Div. 4)	May/09/2020 17:35	8173	2	-5	1094
37	Codeforces Round 638 (Div. 2)	May/01/2020 17:35	8988	1	+55	1099
36	Educational Codeforces Round 86 (Rated for Div. 2)	Apr/26/2020 17:35	11170	1	+10	1044
35	Codeforces Round 637 (Div. 2) - Thanks, Ivan Belonogov!	Apr/23/2020 17:45	12627	0	-100	1034
34	Codeforces Round 635 (Div. 2)	Apr/15/2020 17:35	8720	2	+33	1134
33	Codeforces Round 634 (Div. 3)	Apr/13/2020 17:35	11372	2	-21	1101
32	Educational Codeforces Round 85 (Rated for Div. 2)	Apr/10/2020 17:35	11637	1	-40	1122
31	Codeforces Round 632 (Div. 2)	Apr/08/2020 17:35	10031	1	-37	1162
30	Codeforces Round 631 (Div. 2) - Thanks, Denis aramis Shitov!	Apr/03/2020 17:35	7800	1	-20	1199	Became Newbie keertan → keertan
29	Codeforces Round 630 (Div. 2)	Mar/31/2020 16:35	6484	1	+51	1219	Became Pupil keertan → keertan
28	Codeforces Round 629 (Div. 3)	Mar/26/2020 17:35	6405	2	+62	1168
27	Educational Codeforces Round 84 (Rated for Div. 2)	Mar/23/2020 17:35	10019	0	-104	1106	Became Newbie keertan → keertan
26	Codeforces Global Round 7	Mar/19/2020 17:35	7324	2	-6	1210
25	Codeforces Round 628 (Div. 2)	Mar/14/2020 17:35	4723	2	+50	1216	Became Pupil keertan → keertan
24	Codeforces Round 627 (Div. 3)	Mar/12/2020 16:05	4436	3	+18	1166
23	Educational Codeforces Round 83 (Rated for Div. 2)	Mar/09/2020 17:35	4243	2	+76	1148
22	Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated, T-shirts + prizes!)	Mar/03/2020 17:35	6043	1	-15	1072
21	Codeforces Round 625 (Div. 2, based on Technocup 2020 Final Round)	Mar/01/2020 16:15	3766	1	+39	1087
20	Codeforces Round 624 (Div. 3)	Feb/24/2020 17:35	6054	1	-39	1048
19	Codeforces Round 623 (Div. 2, based on VK Cup 2019-2020 - Elimination Round, Engine)	Feb/23/2020 19:05	3391	1	-72	1087
18	Codeforces Round 622 (Div. 2)	Feb/23/2020 12:05	4187	1	+3	1159
17	Codeforces Round 620 (Div. 2)	Feb/15/2020 16:05	5166	2	+33	1156
16	Codeforces Round 619 (Div. 2)	Feb/13/2020 17:35	5324	1	+29	1123
15	Educational Codeforces Round 82 (Rated for Div. 2)	Feb/12/2020 17:35	6708	1	+9	1094
14	Codeforces Round 618 (Div. 2)	Feb/09/2020 17:05	6855	2	-25	1085
13	Codeforces Round 617 (Div. 3)	Feb/04/2020 17:35	6518	2	-2	1110
12	Educational Codeforces Round 81 (Rated for Div. 2)	Jan/29/2020 17:35	6017	1	+24	1112
11	Codeforces Round 615 (Div. 3)	Jan/22/2020 17:35	5221	2	+66	1088
10	Codeforces Round 614 (Div. 2)	Jan/19/2020 16:35	6277	1	-24	1022
9	Educational Codeforces Round 80 (Rated for Div. 2)	Jan/14/2020 17:35	6172	1	-14	1046
8	Codeforces Round 613 (Div. 2)	Jan/10/2020 17:05	6617	1	-41	1060
7	Hello 2020	Jan/04/2020 15:05	7214	1	-42	1101
6	Good Bye 2019	Dec/29/2019 17:05	6000	1	-12	1143
5	Codeforces Round 611 (Div. 3)	Dec/28/2019 20:05	2621	2	+59	1155
4	Educational Codeforces Round 79 (Rated for Div. 2)	Dec/27/2019 17:40	6102	0	-111	1096	Became Newbie keertan → keertan
3	Codeforces Round 609 (Div. 2)	Dec/21/2019 14:05	4816	1	-75	1207
2	Codeforces Global Round 6	Dec/17/2019 18:05	5146	1	-90	1282
1	Codeforces Round 597 (Div. 2)	Nov/01/2019 17:35	5647	0	-128	1372	Became Pupil keertan → keertan

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