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Codeforces Round 1123 (Div. 2)
16:11:08
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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
122	Codeforces Round 1120 (Div. 2)	Sep/12/2026 17:35	1920	3	-35	1639
121	Educational Codeforces Round 189 (Rated for Div. 2)	Apr/21/2026 17:35	3972	3	-94	1674
120	Codeforces Round 1087 (Div. 2)	Mar/21/2026 17:35	755	4	+42	1768
119	Codeforces Round 1079 (Div. 2)	Feb/11/2026 17:35	858	4	+30	1726
118	Codeforces Round 1078 (Div. 2)	Feb/08/2026 12:05	1041	4	+29	1696
117	Hello 2026	Jan/07/2026 17:35	1594	4	+73	1667	Became Expert nella17 → nella17
116	Educational Codeforces Round 186 (Rated for Div. 2)	Dec/29/2025 17:35	1803	4	+27	1594
115	Good Bye 2025	Dec/27/2025 17:35	4128	3	-2	1567
114	Codeforces Global Round 30 (Div. 1 + Div. 2)	Nov/06/2025 17:35	8660	1	-157	1569	Became Specialist nella17 → nella17
113	Pinely Round 5 (Div. 1 + Div. 2)	Oct/30/2025 19:35	598	4	+103	1726
112	Codeforces Round 1061 (Div. 2)	Oct/24/2025 17:35	926	4	+83	1623	Became Expert nella17 → nella17
111	Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2)	Oct/03/2025 17:35	5465	2	-62	1540	Became Specialist nella17 → nella17
110	Educational Codeforces Round 182 (Rated for Div. 2)	Sep/15/2025 17:35	6999	2	-112	1602
109	Codeforces Round 1049 (Div. 2)	Sep/09/2025 17:35	1109	3	+45	1714
108	Codeforces Round 1026 (Div. 2)	May/24/2025 17:35	2243	3	-13	1669
107	Codeforces Round 1008 (Div. 2)	Mar/10/2025 17:45	1291	3	+16	1682
106	IAEPC Preliminary Contest (Codeforces Round 999, Div. 1 + Div. 2)	Jan/20/2025 17:35	2366	3	-3	1666
105	Codeforces Round 998 (Div. 3)	Jan/19/2025 17:35	238	5	+109	1669	Became Expert nella17 → nella17
104	Codeforces Round 996 (Div. 2)	Jan/12/2025 17:35	9107	2	-108	1560	Became Specialist nella17 → nella17
103	Hello 2025	Jan/04/2025 17:35	4781	2	-73	1668
102	CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)	Nov/23/2024 17:35	5085	2	-160	1741	Became Expert nella17 → nella17
101	Codeforces Round 975 (Div. 1)	Sep/27/2024 16:35	1002	2	-56	1901
100	Codeforces Round 967 (Div. 2)	Aug/20/2024 17:35	724	4	-5	1957
99	Codeforces Round 963 (Div. 2)	Aug/04/2024 17:35	110	4	+141	1962	Became Candidate Master nella17 → nella17
98	Codeforces Round 961 (Div. 2)	Jul/23/2024 17:35	879	4	+16	1821
97	Codeforces Round 936 (Div. 2)	Mar/22/2024 17:35	2697	3	-76	1805
96	Educational Codeforces Round 163 (Rated for Div. 2)	Mar/15/2024 17:35	881	4	+3	1881
95	Codeforces Round 932 (Div. 2)	Mar/05/2024 17:35	358	4	+82	1878
94	CodeTON Round 7 (Div. 1 + Div. 2, Rated, Prizes!)	Nov/25/2023 17:50	1154	4	+38	1796
93	Educational Codeforces Round 158 (Rated for Div. 2)	Nov/24/2023 17:35	1530	3	-31	1758
92	Educational Codeforces Round 157 (Rated for Div. 2)	Nov/03/2023 17:35	913	3	+10	1789
91	Educational Codeforces Round 152 (Rated for Div. 2)	Jul/27/2023 17:35	1498	3	-23	1779
90	Codeforces Round 882 (Div. 2)	Jul/06/2023 17:35	1103	3	-7	1802
89	Hello 2023	Jan/03/2023 17:35	764	4	+112	1809
88	Codeforces Round 821 (Div. 2)	Sep/19/2022 17:35	2809	3	-76	1697
87	Codeforces Round 815 (Div. 2)	Aug/18/2022 16:35	3534	2	-120	1773
86	Educational Codeforces Round 133 (Rated for Div. 2)	Aug/04/2022 17:35	531	3	+32	1893
85	Educational Codeforces Round 122 (Rated for Div. 2)	Jan/31/2022 17:35	374	4	+56	1861
84	Good Bye 2021: 2022 is NEAR	Dec/29/2021 18:35	2258	3	-30	1805
83	Codeforces Round 746 (Div. 2)	Oct/03/2021 17:35	192	3	+132	1835
82	Codeforces Round 744 (Div. 3)	Sep/28/2021 17:35	120	7	+120	1703	Became Expert nella17 → nella17
81	Codeforces Round 741 (Div. 2)	Aug/26/2021 17:35	3908	2	-69	1583	Became Specialist nella17 → nella17
80	Codeforces Round 736 (Div. 2)	Aug/01/2021 17:35	7462	2	-149	1652
79	Divide by Zero 2021 and Codeforces Round 714 (Div. 2)	Apr/11/2021 17:35	396	4	+77	1801
78	Educational Codeforces Round 105 (Rated for Div. 2)	Mar/02/2021 17:45	3911	1	-98	1724
77	Codeforces Round 703 (Div. 2)	Feb/18/2021 17:35	306	5	+125	1822
76	Educational Codeforces Round 104 (Rated for Div. 2)	Feb/15/2021 17:35	2184	4	-29	1697
75	Codeforces Round 700 (Div. 2)	Feb/07/2021 17:35	2244	2	-44	1726
74	Codeforces Round 699 (Div. 2)	Feb/05/2021 17:35	1362	3	-2	1770
73	Educational Codeforces Round 103 (Rated for Div. 2)	Jan/29/2021 17:35	772	4	+60	1772
72	Educational Codeforces Round 102 (Rated for Div. 2)	Jan/14/2021 17:35	709	4	+73	1712
71	Codeforces Global Round 12	Dec/06/2020 17:35	3189	2	-50	1639
70	Grakn Forces 2020	Sep/30/2020 17:35	3044	2	-55	1689
69	Codeforces Round 669 (Div. 2)	Sep/08/2020 17:35	2716	2	-48	1744
68	Codeforces Round 665 (Div. 2)	Aug/21/2020 17:35	341	4	+131	1792
67	Educational Codeforces Round 93 (Rated for Div. 2)	Aug/14/2020 17:35	1100	4	+77	1661	Became Expert nella17 → nella17
66	Codeforces Round 663 (Div. 2)	Aug/09/2020 17:35	2278	3	+23	1584
65	Codeforces Global Round 9	Jul/04/2020 17:45	2004	4	+118	1561
64	Codeforces Round 654 (Div. 2)	Jul/01/2020 16:35	9853	1	-118	1443
63	Codeforces Round 643 (Div. 2)	May/16/2020 14:35	5464	2	-48	1561	Became Specialist nella17 → nella17
62	Educational Codeforces Round 86 (Rated for Div. 2)	Apr/26/2020 17:35	10605	1	-125	1609
61	Codeforces Round 637 (Div. 2) - Thanks, Ivan Belonogov!	Apr/23/2020 17:45	7251	2	-109	1734
60	Codeforces Round 631 (Div. 2) - Thanks, Denis aramis Shitov!	Apr/03/2020 17:35	1950	2	-47	1843
59	Educational Codeforces Round 84 (Rated for Div. 2)	Mar/23/2020 17:35	1096	4	+5	1890
58	Codeforces Global Round 7	Mar/19/2020 17:35	696	5	+104	1885
57	Codeforces Round 628 (Div. 2)	Mar/14/2020 17:35	3466	3	-92	1781
56	CodeCraft-20 (Div. 2)	Mar/04/2020 17:35	386	4	+54	1873
55	Ozon Tech Challenge 2020 (Div.1 + Div.2, Rated, T-shirts + prizes!)	Mar/03/2020 17:35	2658	3	-71	1819
54	Codeforces Round 625 (Div. 2, based on Technocup 2020 Final Round)	Mar/01/2020 16:15	160	4	+72	1890
53	Codeforces Round 622 (Div. 2)	Feb/23/2020 12:05	410	4	+75	1818
52	Codeforces Round 621 (Div. 1 + Div. 2)	Feb/17/2020 18:35	1734	3	-3	1743
51	Codeforces Round 620 (Div. 2)	Feb/15/2020 16:05	3144	3	-82	1746
50	Codeforces Round 619 (Div. 2)	Feb/13/2020 17:35	522	4	+59	1828
49	Educational Codeforces Round 82 (Rated for Div. 2)	Feb/12/2020 17:35	1020	4	+28	1769
48	Codeforces Round 618 (Div. 2)	Feb/09/2020 17:05	1029	3	+6	1741
47	Codeforces Round 616 (Div. 2)	Feb/02/2020 17:05	828	3	+28	1735
46	Good Bye 2019	Dec/29/2019 17:05	2001	3	+6	1707
45	Educational Codeforces Round 79 (Rated for Div. 2)	Dec/27/2019 17:40	188	4	+188	1701	Became Expert nella17 → nella17
44	Codeforces Round 610 (Div. 2)	Dec/24/2019 17:35	2424	2	-26	1513
43	Codeforces Round 605 (Div. 3)	Dec/12/2019 16:35	1035	4	+9	1539
42	Codeforces Round 603 (Div. 2)	Nov/29/2019 17:35	1702	3	+17	1530
41	Codeforces Round 600 (Div. 2)	Nov/16/2019 17:35	3140	1	-46	1513
40	Codeforces Round 599 (Div. 2)	Nov/06/2019 18:05	1388	3	+19	1559
39	Codeforces Round 597 (Div. 2)	Nov/01/2019 17:35	2942	2	-38	1540
38	Codeforces Round 595 (Div. 3)	Oct/22/2019 17:35	1104	5	+3	1578
37	Codeforces Round 593 (Div. 2)	Oct/17/2019 16:35	1025	3	+70	1575
36	Codeforces Global Round 5	Oct/16/2019 17:35	1859	3	+80	1505
35	Codeforces Round 592 (Div. 2)	Oct/13/2019 12:05	782	3	+179	1425	Became Specialist nella17 → nella17
34	Manthan, Codefest 19 (open for everyone, rated, Div. 1 + Div. 2)	Aug/25/2019 17:35	5994	0	-115	1246
33	Codeforces Round 579 (Div. 3)	Aug/13/2019 17:35	3289	2	-29	1361
32	Codeforces Round 575 (Div. 3)	Jul/24/2019 17:35	3109	2	-38	1390	Became Pupil nella17 → nella17
31	Educational Codeforces Round 68 (Rated for Div. 2)	Jul/14/2019 17:45	4533	1	-96	1428
30	Codeforces Round 569 (Div. 2)	Jun/21/2019 20:05	1082	2	+22	1524
29	Codeforces Round 568 (Div. 2)	Jun/19/2019 17:45	3624	2	-78	1502
28	Codeforces Round 566 (Div. 2)	Jun/11/2019 16:05	712	3	+97	1580
27	Codeforces Round 564 (Div. 2)	Jun/07/2019 15:05	1087	2	+58	1483
26	Codeforces Global Round 3	Jun/01/2019 17:35	2813	1	-24	1425
25	Codeforces Round 551 (Div. 2)	Apr/13/2019 17:05	3416	1	-64	1449
24	Codeforces Global Round 2	Apr/06/2019 14:35	3511	1	-80	1513
23	Codeforces Round 550 (Div. 3)	Mar/31/2019 17:05	232	5	+89	1593
22	Codeforces Round 547 (Div. 3)	Mar/19/2019 17:35	2082	3	-38	1504
21	Codeforces Round 541 (Div. 2)	Feb/23/2019 13:20	1213	3	+43	1542
20	Codeforces Global Round 1	Feb/07/2019 16:35	2148	3	+56	1499
19	Codeforces Round 535 (Div. 3)	Jan/23/2019 17:35	2184	3	-21	1443
18	Codeforces Round 533 (Div. 2)	Jan/20/2019 15:05	1813	2	+31	1464
17	Educational Codeforces Round 58 (Rated for Div. 2)	Jan/11/2019 17:35	3275	2	-43	1433
16	Codeforces Round 531 (Div. 3)	Jan/09/2019 17:35	142	5	+203	1476	Became Specialist nella17 → nella17
15	Codeforces Round 530 (Div. 2)	Jan/05/2019 19:35	4509	1	-89	1273
14	Good Bye 2018	Dec/30/2018 17:35	5606	2	-55	1362	Became Pupil nella17 → nella17
13	Educational Codeforces Round 57 (Rated for Div. 2)	Dec/28/2018 17:35	2097	2	+17	1417
12	Codeforces Round 529 (Div. 3)	Dec/27/2018 17:35	1829	3	0	1400
11	Codeforces Round 528 (Div. 2, based on Technocup 2019 Elimination Round 4)	Dec/23/2018 16:35	1535	2	+20	1400	Became Specialist nella17 → nella17
10	Codeforces Round 527 (Div. 3)	Dec/18/2018 17:35	381	3	+166	1380
9	Avito Cool Challenge 2018	Dec/16/2018 17:35	2921	1	-29	1214
8	Educational Codeforces Round 56 (Rated for Div. 2)	Dec/15/2018 17:35	2367	3	+36	1243
7	Codeforces Round 526 (Div. 2)	Dec/10/2018 19:35	2360	1	-19	1207
6	Codeforces Round 525 (Div. 2)	Dec/04/2018 17:35	3912	1	-59	1226
5	Educational Codeforces Round 55 (Rated for Div. 2)	Nov/28/2018 17:35	2396	1	-1	1285
4	Mail.Ru Cup 2018 Round 3	Nov/25/2018 19:35	2506	1	-69	1286
3	Codeforces Round 524 (Div. 2)	Nov/24/2018 10:35	2413	2	-45	1355	Became Pupil nella17 → nella17
2	Codeforces Round 523 (Div. 2)	Nov/22/2018 18:45	2409	1	-34	1400
1	Codeforces Round 521 (Div. 3)	Nov/16/2018 17:35	2627	2	-66	1434	Became Specialist nella17 → nella17

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