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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
186	Codeforces Round 1096 (Div. 3)	Apr/30/2026 17:35	1473	5	-17	1566
185	Codeforces Round 1080 (Div. 3)	Feb/15/2026 17:45	1385	5	+12	1583
184	Codeforces Round 1076 (Div. 3)	Jan/25/2026 17:35	1113	6	+42	1571
183	Codeforces Round 1072 (Div. 3)	Jan/12/2026 17:35	577	5	+112	1529
182	Codeforces Round 1071 (Div. 3)	Dec/23/2025 17:45	3587	4	+2	1417
181	Codeforces Global Round 31 (Div. 1 + Div. 2)	Dec/19/2025 17:35	3714	2	+39	1415	Became Specialist Barkaat → Barkaat
180	Codeforces Round 1067 (Div. 2)	Nov/29/2025 17:35	7082	1	-79	1376	Became Pupil Barkaat → Barkaat
179	Codeforces Round 1061 (Div. 2)	Oct/24/2025 17:35	4917	3	-33	1455
178	Codeforces Round 1060 (Div. 2)	Oct/19/2025 17:35	1294	3	+102	1488	Became Specialist Barkaat → Barkaat
177	Codeforces Round 1059 (Div. 3)	Oct/17/2025 17:35	5093	3	-28	1386	Became Pupil Barkaat → Barkaat
176	Educational Codeforces Round 183 (Rated for Div. 2)	Oct/06/2025 17:35	9799	2	-102	1414
175	Codeforces Round 1054 (Div. 3)	Sep/25/2025 17:35	3766	4	-55	1516
174	Codeforces Round 1051 (Div. 2)	Sep/17/2025 17:35	1718	4	+52	1571
173	Educational Codeforces Round 182 (Rated for Div. 2)	Sep/15/2025 17:35	2304	3	+39	1519
172	Codeforces Round 1046 (Div. 2)	Aug/28/2025 17:35	7830	2	-96	1480
171	Codeforces Round 1037 (Div. 3)	Jul/17/2025 17:35	628	5	+71	1576
170	EPIC Institute of Technology Round Summer 2025 (Codeforces Round 1036, Div. 1 + Div. 2)	Jul/06/2025 17:35	2777	4	+30	1505
169	Codeforces Round 1035 (Div. 2)	Jul/05/2025 17:35	5946	2	-49	1475
168	Codeforces Round 1034 (Div. 3)	Jul/01/2025 17:35	1146	6	+52	1524
167	Educational Codeforces Round 180 (Rated for Div. 2)	Jun/23/2025 17:35	2674	3	+35	1472
166	Codeforces Round 1032 (Div. 3)	Jun/17/2025 17:35	4092	4	-21	1437
165	Codeforces Round 1031 (Div. 2)	Jun/15/2025 12:05	1838	2	+42	1458
164	Codeforces Round 1030 (Div. 2)	Jun/12/2025 17:35	8061	2	-63	1416
163	Codeforces Round 1029 (Div. 3)	Jun/08/2025 17:35	2354	4	+7	1479
162	Codeforces Round 1027 (Div. 3)	May/26/2025 17:35	3179	4	-11	1472
161	Educational Codeforces Round 174 (Rated for Div. 2)	Feb/18/2025 17:35	3272	3	+5	1483
160	Codeforces Round 1005 (Div. 2)	Feb/16/2025 17:35	2262	3	+55	1478
159	Codeforces Round 1002 (Div. 2)	Feb/02/2025 17:35	14964	1	-144	1423
158	Codeforces Round 998 (Div. 3)	Jan/19/2025 17:35	595	5	+85	1567
157	Codeforces Round 996 (Div. 2)	Jan/12/2025 17:35	1494	3	+116	1482	Became Specialist Barkaat → Barkaat
156	Good Bye 2024: 2025 is NEAR	Dec/28/2024 17:35	3801	3	+65	1366
155	Educational Codeforces Round 173 (Rated for Div. 2)	Dec/24/2024 17:35	9481	1	-83	1301
154	Codeforces Round 995 (Div. 3)	Dec/22/2024 17:35	7727	3	-69	1384	Became Pupil Barkaat → Barkaat
153	Codeforces Round 994 (Div. 2)	Dec/20/2024 17:35	4599	2	-24	1453
152	Codeforces Global Round 28	Dec/19/2024 17:35	5269	3	-45	1477
151	Codeforces Round 992 (Div. 2)	Dec/08/2024 17:35	3130	2	-21	1522
150	Codeforces Round 991 (Div. 3)	Dec/05/2024 17:35	353	6	+118	1543
149	Educational Codeforces Round 172 (Rated for Div. 2)	Dec/02/2024 17:35	2987	2	+8	1425
148	CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)	Nov/23/2024 17:35	6948	1	-127	1417
147	Codeforces Round 988 (Div. 3)	Nov/17/2024 17:35	1540	4	-7	1544
146	Codeforces Round 987 (Div. 2)	Nov/15/2024 15:35	2244	3	+6	1551
145	Codeforces Round 986 (Div. 2)	Nov/10/2024 18:35	1876	3	+8	1545
144	Codeforces Round 984 (Div. 3)	Nov/02/2024 17:35	766	5	+63	1537
143	Codeforces Round 983 (Div. 2)	Nov/01/2024 17:35	7069	2	-88	1474
142	Educational Codeforces Round 171 (Rated for Div. 2)	Oct/28/2024 17:35	1573	3	+64	1562
141	Codeforces Global Round 27	Oct/27/2024 17:35	5789	2	-89	1498
140	Codeforces Round 982 (Div. 2)	Oct/26/2024 17:35	1163	4	+59	1587
139	Codeforces Round 981 (Div. 3)	Oct/24/2024 17:35	2184	4	-6	1528
138	Codeforces Round 980 (Div. 2)	Oct/20/2024 12:05	4195	3	-68	1534	Became Specialist Barkaat → Barkaat
137	Educational Codeforces Round 170 (Rated for Div. 2)	Oct/14/2024 17:35	1681	4	+42	1602	Became Expert Barkaat → Barkaat
136	Codeforces Round 978 (Div. 2)	Oct/13/2024 22:35	1281	2	+8	1560
135	Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)	Oct/06/2024 09:05	1041	3	+103	1552
134	Codeforces Round 976 (Div. 2) and Divide By Zero 9.0	Sep/29/2024 18:35	4937	2	-30	1449
133	Codeforces Round 975 (Div. 2)	Sep/27/2024 16:35	2105	3	+44	1479
132	Codeforces Round 974 (Div. 3)	Sep/21/2024 17:45	3815	3	-19	1435
131	Codeforces Round 973 (Div. 2)	Sep/20/2024 17:35	3120	3	+24	1454
130	Codeforces Round 970 (Div. 3)	Sep/01/2024 17:35	8269	4	-81	1430
129	Codeforces Round 968 (Div. 2)	Aug/25/2024 17:35	4050	3	-14	1511
128	Codeforces Round 967 (Div. 2)	Aug/20/2024 17:35	2663	3	+30	1525
127	Educational Codeforces Round 169 (Rated for Div. 2)	Aug/15/2024 17:35	4746	3	-15	1495
126	Codeforces Round 966 (Div. 3)	Aug/13/2024 17:40	723	5	+111	1510	Became Specialist Barkaat → Barkaat
125	EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2)	Aug/11/2024 17:35	5892	3	-27	1399	Became Pupil Barkaat → Barkaat
124	Codeforces Round 965 (Div. 2)	Aug/10/2024 17:35	7810	2	-55	1426
123	Codeforces Round 964 (Div. 4)	Aug/06/2024 17:35	637	7	+98	1481	Became Specialist Barkaat → Barkaat
122	Codeforces Round 963 (Div. 2)	Aug/04/2024 17:35	9192	2	-66	1383	Became Pupil Barkaat → Barkaat
121	Educational Codeforces Round 168 (Rated for Div. 2)	Jul/30/2024 17:35	4490	3	+12	1449
120	Codeforces Round 956 (Div. 2) and ByteRace 2024	Jul/07/2024 17:35	8004	2	-80	1437
119	Educational Codeforces Round 167 (Rated for Div. 2)	Jun/27/2024 17:35	2015	3	+53	1517
118	Codeforces Round 954 (Div. 3)	Jun/23/2024 17:50	1569	4	+56	1464
117	Codeforces Round 948 (Div. 2)	May/26/2024 17:35	12787	1	-149	1408
116	Codeforces Round 945 (Div. 2)	May/17/2024 17:35	2182	3	+15	1557
115	Codeforces Round 943 (Div. 3)	May/02/2024 17:45	3083	4	-48	1542
114	Educational Codeforces Round 165 (Rated for Div. 2)	Apr/29/2024 17:35	1096	3	+79	1590
113	Codeforces Round 936 (Div. 2)	Mar/22/2024 17:35	1610	3	+80	1511
112	Codeforces Round 935 (Div. 3)	Mar/19/2024 11:05	3226	3	-44	1431
111	Codeforces Round 927 (Div. 3)	Feb/18/2024 15:05	1754	4	+14	1475
110	Codeforces Round 926 (Div. 2)	Feb/15/2024 17:35	2696	3	+40	1461
109	Codeforces Round 923 (Div. 3)	Feb/06/2024 17:45	4072	4	-7	1421
108	Hello 2024	Jan/06/2024 17:35	11824	2	-106	1428
107	Good Bye 2023	Dec/30/2023 17:50	8012	3	-79	1534	Became Specialist Barkaat → Barkaat
106	Codeforces Round 915 (Div. 2)	Dec/16/2023 17:35	938	3	+63	1613	Became Expert Barkaat → Barkaat
105	CodeTON Round 7 (Div. 1 + Div. 2, Rated, Prizes!)	Nov/25/2023 17:50	2869	3	-18	1550
104	Codeforces Round 910 (Div. 2)	Nov/19/2023 17:35	2215	2	-32	1568	Became Specialist Barkaat → Barkaat
103	Codeforces Round 906 (Div. 2)	Oct/28/2023 17:35	613	4	+93	1600	Became Expert Barkaat → Barkaat
102	Codeforces Round 905 (Div. 3)	Oct/22/2023 14:05	720	5	+60	1507
101	Codeforces Round 902 (Div. 2, based on COMPFEST 15 - Final Round)	Oct/08/2023 12:05	2700	3	-21	1447
100	Codeforces Round 899 (Div. 2)	Sep/25/2023 17:35	1858	3	+75	1468	Became Specialist Barkaat → Barkaat
99	Educational Codeforces Round 155 (Rated for Div. 2)	Sep/24/2023 17:35	5213	2	-29	1393	Became Pupil Barkaat → Barkaat
98	Codeforces Round 891 (Div. 3)	Aug/07/2023 17:35	7708	3	-74	1422
97	Codeforces Round 886 (Div. 4)	Jul/21/2023 17:35	367	7	+107	1496	Became Specialist Barkaat → Barkaat
96	Codeforces Round 884 (Div. 1 + Div. 2)	Jul/11/2023 17:35	2559	4	+93	1389
95	Codeforces Round 883 (Div. 3)	Jul/07/2023 17:35	1677	5	+100	1296	Became Pupil Barkaat → Barkaat
94	Codeforces Round 882 (Div. 2)	Jul/06/2023 17:35	6524	2	-7	1196	Became Newbie Barkaat → Barkaat
93	Codeforces Round 880 (Div. 2)	Jun/18/2023 17:35	5986	1	-27	1203
92	Educational Codeforces Round 150 (Rated for Div. 2)	Jun/12/2023 17:35	8216	1	-57	1230
91	Codeforces Round 878 (Div. 3)	Jun/06/2023 17:35	5107	3	-20	1287
90	Codeforces Round 874 (Div. 3)	May/19/2023 17:35	2029	4	+49	1307
89	Educational Codeforces Round 148 (Rated for Div. 2)	May/12/2023 17:35	3785	3	+30	1258
88	Codeforces Round 871 (Div. 4)	May/06/2023 17:35	2034	6	+62	1228	Became Pupil Barkaat → Barkaat
87	Codeforces Round 870 (Div. 2)	May/05/2023 17:35	6275	0	-118	1166	Became Newbie Barkaat → Barkaat
86	Codeforces Round 867 (Div. 3)	Apr/24/2023 17:35	2034	4	+50	1284
85	Codeforces Round 864 (Div. 2)	Apr/08/2023 17:05	4252	2	+5	1234
84	Codeforces Round 863 (Div. 3)	Apr/04/2023 17:35	11793	1	-99	1229
83	Codeforces Round 862 (Div. 2)	Apr/02/2023 17:35	4060	2	-7	1328
82	CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!)	Mar/31/2023 17:35	4443	3	+2	1335
81	Codeforces Round 860 (Div. 2)	Mar/26/2023 17:35	4007	2	+1	1333
80	Educational Codeforces Round 145 (Rated for Div. 2)	Mar/23/2023 17:35	3726	2	+12	1332
79	Codeforces Round 859 (Div. 4)	Mar/19/2023 17:55	3212	6	-7	1320
78	Codeforces Round 858 (Div. 2)	Mar/18/2023 15:05	3152	2	+15	1327
77	Codeforces Round 855 (Div. 3)	Mar/02/2023 17:35	3546	5	+6	1312
76	Educational Codeforces Round 144 (Rated for Div. 2)	Feb/28/2023 17:35	3030	2	+35	1306
75	Educational Codeforces Round 143 (Rated for Div. 2)	Feb/16/2023 17:35	5320	2	-18	1271
74	Codeforces Round 851 (Div. 2)	Feb/09/2023 17:35	3893	3	+35	1289
73	Codeforces Round 849 (Div. 4)	Feb/03/2023 17:35	914	7	+148	1254	Became Pupil Barkaat → Barkaat
72	Codeforces Round 848 (Div. 2)	Feb/01/2023 17:35	6459	1	+18	1106
71	Codeforces Round 847 (Div. 3)	Jan/27/2023 17:35	4995	4	+65	1088
70	Educational Codeforces Round 142 (Rated for Div. 2)	Jan/24/2023 17:35	11677	1	-69	1023
69	Codeforces Round 845 (Div. 2) and ByteRace 2023	Jan/21/2023 17:35	7035	2	-33	1092
68	Educational Codeforces Round 141 (Rated for Div. 2)	Jan/08/2023 17:35	7768	1	-12	1125
67	Codeforces Round 842 (Div. 2)	Jan/05/2023 17:35	5069	2	+72	1137
66	Hello 2023	Jan/03/2023 17:35	10181	2	-15	1065
65	Good Bye 2022: 2023 is NEAR	Dec/30/2022 17:35	10093	2	-1	1080
64	Codeforces Round 841 (Div. 2) and Divide by Zero 2022	Dec/27/2022 17:35	7623	1	-14	1081
63	Codeforces Round 839 (Div. 3)	Dec/18/2022 17:35	5338	3	+11	1095
62	Educational Codeforces Round 140 (Rated for Div. 2)	Dec/16/2022 17:35	9454	2	-49	1084
61	Codeforces Round 838 (Div. 2)	Dec/15/2022 17:35	7394	1	-31	1133
60	Educational Codeforces Round 139 (Rated for Div. 2)	Dec/12/2022 17:35	7397	2	-45	1164	Became Newbie Barkaat → Barkaat
59	Codeforces Round 837 (Div. 2)	Dec/11/2022 18:35	8017	1	-91	1209
58	Codeforces Round 835 (Div. 4)	Nov/21/2022 17:35	1431	5	+63	1300
57	Codeforces Round 832 (Div. 2)	Nov/04/2022 17:35	1776	3	+153	1237	Became Pupil Barkaat → Barkaat
56	Codeforces Round 831 (Div. 1 + Div. 2)	Oct/29/2022 12:10	5725	2	-33	1084
55	Codeforces Round 828 (Div. 3)	Oct/16/2022 17:35	6471	3	-10	1117
54	Codeforces Global Round 23	Oct/15/2022 17:35	4524	2	+74	1127
53	Codeforces Round 827 (Div. 4)	Oct/13/2022 17:35	5176	4	+51	1053
52	Codeforces Round 826 (Div. 3)	Oct/11/2022 17:35	6998	2	+36	1002
51	Codeforces Round 825 (Div. 2)	Oct/10/2022 17:35	7213	1	+43	966
50	Dytechlab Cup 2022	Oct/07/2022 17:35	5477	1	+1	923
49	Codeforces Round 824 (Div. 2)	Oct/02/2022 17:35	8126	1	-19	922
48	Codeforces Global Round 22	Sep/30/2022 17:35	6510	1	+23	941
47	Educational Codeforces Round 136 (Rated for Div. 2)	Sep/29/2022 17:35	8701	1	+2	918
46	Codeforces Round 822 (Div. 2)	Sep/23/2022 15:05	7985	1	-47	916
45	Codeforces Round 821 (Div. 2)	Sep/19/2022 17:35	10258	0	-113	963
44	Educational Codeforces Round 135 (Rated for Div. 2)	Sep/08/2022 17:35	8803	2	-38	1076
43	Codeforces Round 817 (Div. 4)	Aug/30/2022 17:50	3738	4	+63	1114
42	Educational Codeforces Round 134 (Rated for Div. 2)	Aug/27/2022 17:35	6041	2	+46	1051
41	Codeforces Round 816 (Div. 2)	Aug/20/2022 17:35	7708	2	+20	1005
40	Codeforces Round 815 (Div. 2)	Aug/18/2022 16:35	7499	1	-13	985
39	Codeforces Round 814 (Div. 2)	Aug/16/2022 17:35	6624	2	+62	998
38	Educational Codeforces Round 133 (Rated for Div. 2)	Aug/04/2022 17:35	7445	2	+86	936
37	Codeforces Round 811 (Div. 3)	Aug/01/2022 17:35	9725	2	+24	850
36	CodeTON Round 2 (Div. 1 + Div. 2, Rated, Prizes!)	Jul/31/2022 17:05	9270	1	-29	826
35	Codeforces Round 810 (Div. 2)	Jul/24/2022 17:35	10985	1	-32	855
34	Educational Codeforces Round 132 (Rated for Div. 2)	Jul/21/2022 17:35	11802	1	-34	887
33	Codeforces Round 809 (Div. 2)	Jul/18/2022 17:35	10469	1	-26	921
32	Codeforces Round 807 (Div. 2)	Jul/15/2022 16:35	9786	2	-25	947
31	Codeforces Round 806 (Div. 4)	Jul/12/2022 17:35	9639	3	-10	972
30	Codeforces Round 805 (Div. 3)	Jul/10/2022 17:35	5913	4	+84	982
29	Educational Codeforces Round 131 (Rated for Div. 2)	Jul/08/2022 17:35	8759	2	+50	898
28	Codeforces Round 804 (Div. 2)	Jul/04/2022 17:35	10183	1	+3	848
27	Codeforces Round 803 (Div. 2)	Jun/28/2022 17:35	8557	2	+78	845
26	Codeforces Global Round 21	Jun/25/2022 17:35	8659	2	+68	767
25	Codeforces Round 802 (Div. 2)	Jun/19/2022 12:05	7950	1	+28	699
24	Codeforces Round 800 (Div. 2)	Jun/16/2022 17:35	11653	1	-1	671
23	Codeforces Round 799 (Div. 4)	Jun/14/2022 17:35	15225	2	+7	672
22	Educational Codeforces Round 130 (Rated for Div. 2)	Jun/12/2022 17:35	11352	1	+33	665
21	Codeforces Round 798 (Div. 2)	Jun/10/2022 19:35	8173	0	-93	632
20	Codeforces Round 796 (Div. 2)	Jun/03/2022 17:35	10522	1	+35	725
19	CodeCraft-22 and Codeforces Round 795 (Div. 2)	May/31/2022 17:35	13001	1	-10	690
18	Codeforces Round 794 (Div. 2)	May/25/2022 20:35	7997	1	+4	700
17	Educational Codeforces Round 129 (Rated for Div. 2)	May/23/2022 17:35	12162	1	-53	696
16	Codeforces Round 793 (Div. 2)	May/22/2022 17:35	10163	1	-8	749
15	Codeforces Round 792 (Div. 1 + Div. 2)	May/19/2022 17:35	8026	2	+137	757
14	Codeforces Round 790 (Div. 4)	May/10/2022 17:45	12920	2	+40	620
13	Codeforces Round 789 (Div. 2)	May/08/2022 17:35	9257	0	-91	580
12	Educational Codeforces Round 127 (Rated for Div. 2)	Apr/22/2022 17:35	8271	1	+90	671
11	Codeforces Round 784 (Div. 4)	Apr/21/2022 17:35	15965	1	-49	581
10	Codeforces Round 780 (Div. 3)	Mar/31/2022 17:35	10855	2	+93	630
9	Codeforces Round 779 (Div. 2)	Mar/27/2022 17:35	10326	0	-90	537
8	CodeTON Round 1 (Div. 1 + Div. 2, Rated, Prizes!)	Mar/24/2022 17:35	11194	0	-84	627
7	Codeforces Round 777 (Div. 2)	Mar/11/2022 17:35	11002	0	-97	711
6	Educational Codeforces Round 124 (Rated for Div. 2)	Mar/10/2022 17:35	13193	1	-18	808
5	Codeforces Round 774 (Div. 2)	Mar/04/2022 18:35	11510	1	+31	826
4	Educational Codeforces Round 123 (Rated for Div. 2)	Feb/22/2022 17:35	13894	1	+53	795
3	Codeforces Round 771 (Div. 2)	Feb/14/2022 17:35	11215	0	+130	742
2	Codeforces Global Round 19	Feb/12/2022 17:35	11627	1	+253	612
1	Codeforces Round 770 (Div. 2)	Feb/06/2022 17:35	12409	0	+359	359	Barkaat → Barkaat

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