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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
180	Ethflow Round 1 (Codeforces Round 1001, Div. 1 + Div. 2)	Jan/26/2025 17:35	4054	3	+26	1453
179	Codeforces Round 996 (Div. 2)	Jan/12/2025 17:35	8323	2	-61	1427
178	Hello 2025	Jan/04/2025 17:35	3064	3	+53	1488
177	CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)	Nov/23/2024 17:35	3391	3	+3	1435
176	Codeforces Round 984 (Div. 3)	Nov/02/2024 17:35	1425	5	+55	1432	Became Specialist ishraqfatin7 → ishraqfatin7
175	Educational Codeforces Round 171 (Rated for Div. 2)	Oct/28/2024 17:35	4651	2	-4	1377
174	Codeforces Round 980 (Div. 2)	Oct/20/2024 12:05	3568	3	-1	1381
173	Educational Codeforces Round 170 (Rated for Div. 2)	Oct/14/2024 17:35	5041	3	-4	1382
172	Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)	Oct/06/2024 09:05	2922	3	+36	1386
171	Codeforces Round 976 (Div. 2) and Divide By Zero 9.0	Sep/29/2024 18:35	5021	2	-1	1350
170	Codeforces Round 974 (Div. 3)	Sep/21/2024 17:45	4196	3	+1	1351
169	Codeforces Round 973 (Div. 2)	Sep/20/2024 17:35	7813	2	-54	1350	Became Pupil ishraqfatin7 → ishraqfatin7
168	Codeforces Round 970 (Div. 3)	Sep/01/2024 17:35	2781	5	+25	1404	Became Specialist ishraqfatin7 → ishraqfatin7
167	Codeforces Round 969 (Div. 2)	Aug/30/2024 17:35	3770	3	+15	1379
166	Codeforces Round 968 (Div. 2)	Aug/25/2024 17:35	7277	3	-37	1364	Became Pupil ishraqfatin7 → ishraqfatin7
165	Codeforces Round 965 (Div. 2)	Aug/10/2024 17:35	5732	2	-8	1401
164	Codeforces Round 962 (Div. 3)	Jul/26/2024 17:35	2092	4	+52	1409	Became Specialist ishraqfatin7 → ishraqfatin7
163	Codeforces Round 957 (Div. 3)	Jul/11/2024 17:35	11206	3	-85	1357	Became Pupil ishraqfatin7 → ishraqfatin7
162	Codeforces Round 956 (Div. 2) and ByteRace 2024	Jul/07/2024 17:35	5309	2	-29	1442
161	EPIC Institute of Technology Round Summer 2024 (Div. 1 + Div. 2)	Jun/30/2024 17:35	3689	3	+7	1471
160	Codeforces Round 955 (Div. 2, with prizes from NEAR!)	Jun/25/2024 17:35	2074	3	+66	1464	Became Specialist ishraqfatin7 → ishraqfatin7
159	Codeforces Round 954 (Div. 3)	Jun/23/2024 17:50	7826	3	-63	1398	Became Pupil ishraqfatin7 → ishraqfatin7
158	Codeforces Global Round 26	Jun/09/2024 17:35	3973	3	-9	1461
157	Codeforces Round 950 (Div. 3)	Jun/03/2024 17:35	2457	4	+21	1470
156	Educational Codeforces Round 166 (Rated for Div. 2)	May/30/2024 17:35	7108	2	-63	1449
155	Codeforces Round 948 (Div. 2)	May/26/2024 17:35	1249	2	+96	1512
154	Codeforces Round 947 (Div. 1 + Div. 2)	May/25/2024 17:35	2266	4	+89	1416	Became Specialist ishraqfatin7 → ishraqfatin7
153	Codeforces Round 946 (Div. 3)	May/20/2024 17:35	2726	4	+41	1327
152	Codeforces Round 945 (Div. 2)	May/17/2024 17:35	3706	2	+48	1286
151	Codeforces Round 944 (Div. 4)	May/10/2024 17:35	16338	2	-119	1238
150	Codeforces Round 943 (Div. 3)	May/02/2024 17:45	3695	4	-3	1357
149	Codeforces Round 942 (Div. 2)	Apr/30/2024 17:35	2670	4	+39	1360
148	Educational Codeforces Round 165 (Rated for Div. 2)	Apr/29/2024 17:35	7510	2	-82	1321	Became Pupil ishraqfatin7 → ishraqfatin7
147	Codeforces Round 939 (Div. 2)	Apr/13/2024 17:35	3560	2	+7	1403	Became Specialist ishraqfatin7 → ishraqfatin7
146	Educational Codeforces Round 164 (Rated for Div. 2)	Apr/12/2024 17:35	3559	3	+33	1396
145	Codeforces Round 938 (Div. 3)	Apr/08/2024 17:35	7014	3	-44	1363	Became Pupil ishraqfatin7 → ishraqfatin7
144	Codeforces Round 936 (Div. 2)	Mar/22/2024 17:35	2586	3	+64	1407	Became Specialist ishraqfatin7 → ishraqfatin7
143	Codeforces Round 935 (Div. 3)	Mar/19/2024 11:05	2465	4	+12	1343
142	Codeforces Round 934 (Div. 2)	Mar/16/2024 17:35	6183	2	-50	1331
141	Educational Codeforces Round 163 (Rated for Div. 2)	Mar/15/2024 17:35	8523	2	-66	1381	Became Pupil ishraqfatin7 → ishraqfatin7
140	Codeforces Round 933 (Div. 3)	Mar/11/2024 17:35	2648	4	+14	1447
139	Codeforces Round 931 (Div. 2)	Mar/01/2024 17:35	3198	2	+20	1433
138	Codeforces Round 930 (Div. 2)	Feb/29/2024 17:35	4737	2	-27	1413
137	Codeforces Round 929 (Div. 3)	Feb/27/2024 17:35	1900	5	+45	1440	Became Specialist ishraqfatin7 → ishraqfatin7
136	Educational Codeforces Round 162 (Rated for Div. 2)	Feb/23/2024 17:35	3294	3	+31	1395
135	Codeforces Round 926 (Div. 2)	Feb/15/2024 17:35	7285	2	-48	1364	Became Pupil ishraqfatin7 → ishraqfatin7
134	Codeforces Round 925 (Div. 3)	Feb/13/2024 17:35	3016	5	+18	1412	Became Specialist ishraqfatin7 → ishraqfatin7
133	Codeforces Round 924 (Div. 2)	Feb/11/2024 12:35	3367	2	+4	1394
132	Codeforces Round 923 (Div. 3)	Feb/06/2024 17:45	13109	3	-103	1390	Became Pupil ishraqfatin7 → ishraqfatin7
131	Codeforces Round 922 (Div. 2)	Jan/30/2024 17:35	3002	3	+19	1493
130	Codeforces Round 921 (Div. 2)	Jan/27/2024 17:45	1956	3	+42	1474
129	Codeforces Round 920 (Div. 3)	Jan/15/2024 17:35	4803	4	-34	1432
128	Hello 2024	Jan/06/2024 17:35	5007	3	+8	1466
127	Good Bye 2023	Dec/30/2023 17:50	4544	3	+28	1458
126	Codeforces Round 918 (Div. 4)	Dec/28/2023 17:35	961	6	+70	1430	Became Specialist ishraqfatin7 → ishraqfatin7
125	Codeforces Round 917 (Div. 2)	Dec/24/2023 17:35	5770	2	-47	1360	Became Pupil ishraqfatin7 → ishraqfatin7
124	Codeforces Round 916 (Div. 3)	Dec/19/2023 17:35	1472	6	+59	1407	Became Specialist ishraqfatin7 → ishraqfatin7
123	Educational Codeforces Round 160 (Rated for Div. 2)	Dec/18/2023 17:35	5183	3	-27	1348
122	Codeforces Round 915 (Div. 2)	Dec/16/2023 17:35	4432	2	-26	1375	Became Pupil ishraqfatin7 → ishraqfatin7
121	Codeforces Round 913 (Div. 3)	Dec/05/2023 17:45	2501	4	+5	1401	Became Specialist ishraqfatin7 → ishraqfatin7
120	Educational Codeforces Round 159 (Rated for Div. 2)	Dec/03/2023 17:35	3803	3	-26	1396	Became Pupil ishraqfatin7 → ishraqfatin7
119	CodeTON Round 7 (Div. 1 + Div. 2, Rated, Prizes!)	Nov/25/2023 17:50	3618	3	-17	1422
118	Educational Codeforces Round 158 (Rated for Div. 2)	Nov/24/2023 17:35	2897	3	+4	1439
117	Codeforces Round 909 (Div. 3)	Nov/17/2023 17:35	2300	5	-3	1435
116	Codeforces Round 908 (Div. 2)	Nov/07/2023 17:35	2001	3	+31	1438
115	Codeforces Round 901 (Div. 2)	Sep/30/2023 17:35	3274	3	+12	1407	Became Specialist ishraqfatin7 → ishraqfatin7
114	Codeforces Round 900 (Div. 3)	Sep/26/2023 17:35	1699	4	+64	1395
113	Codeforces Round 898 (Div. 4)	Sep/21/2023 17:35	4272	5	-23	1331
112	Codeforces Round 897 (Div. 2)	Sep/11/2023 17:35	4549	3	-12	1354
111	Codeforces Round 895 (Div. 3)	Sep/07/2023 17:35	2708	5	+27	1366
110	Educational Codeforces Round 154 (Rated for Div. 2)	Aug/31/2023 17:35	5094	2	-12	1339
109	Pinely Round 2 (Div. 1 + Div. 2)	Aug/30/2023 17:35	3845	4	+41	1351
108	Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2)	Aug/26/2023 17:35	4674	3	+25	1310
107	Codeforces Round 894 (Div. 3)	Aug/24/2023 17:35	7411	3	-40	1285
106	Codeforces Round 893 (Div. 2)	Aug/15/2023 17:35	7490	2	-35	1325
105	Codeforces Round 892 (Div. 2)	Aug/12/2023 17:35	4899	3	+6	1360
104	Codeforces Round 891 (Div. 3)	Aug/07/2023 17:35	4840	4	-10	1354
103	Codeforces Round 890 (Div. 2) supported by Constructor Institute	Aug/05/2023 17:35	7364	2	-61	1364	Became Pupil ishraqfatin7 → ishraqfatin7
102	Codeforces Round 888 (Div. 3)	Jul/25/2023 17:35	3794	4	-24	1425
101	Codeforces Round 886 (Div. 4)	Jul/21/2023 17:35	701	7	+78	1449	Became Specialist ishraqfatin7 → ishraqfatin7
100	Codeforces Round 885 (Div. 2)	Jul/16/2023 17:35	4060	2	-25	1371
99	Codeforces Round 884 (Div. 1 + Div. 2)	Jul/11/2023 17:35	1258	4	+196	1396
98	Codeforces Round 883 (Div. 3)	Jul/07/2023 17:35	7462	3	-27	1200
97	Educational Codeforces Round 151 (Rated for Div. 2)	Jun/29/2023 17:35	7401	2	-34	1227
96	CodeTON Round 5 (Div. 1 + Div. 2, Rated, Prizes!)	Jun/24/2023 17:05	6226	2	-43	1261
95	Codeforces Round 881 (Div. 3)	Jun/20/2023 17:35	4226	4	-8	1304
94	Codeforces Round 880 (Div. 2)	Jun/18/2023 17:35	4069	2	-4	1312
93	Codeforces Round 879 (Div. 2)	Jun/18/2023 11:05	4272	3	-23	1316
92	Codeforces Round 878 (Div. 3)	Jun/06/2023 17:35	2569	4	+32	1339
91	Codeforces Round 877 (Div. 2)	Jun/04/2023 17:45	5402	2	-20	1307
90	Codeforces Round 876 (Div. 2)	Jun/03/2023 17:35	3167	3	+10	1327
89	Codeforces Round 875 (Div. 2)	May/28/2023 17:35	3054	3	+43	1317
88	Educational Codeforces Round 149 (Rated for Div. 2)	May/25/2023 17:35	6771	3	-45	1274
87	Codeforces Round 874 (Div. 3)	May/19/2023 17:35	5476	3	-58	1319
86	Educational Codeforces Round 148 (Rated for Div. 2)	May/12/2023 17:35	5428	2	-59	1377	Became Pupil ishraqfatin7 → ishraqfatin7
85	Codeforces Round 870 (Div. 2)	May/05/2023 17:35	1978	3	+52	1436	Became Specialist ishraqfatin7 → ishraqfatin7
84	Codeforces Round 869 (Div. 2)	Apr/29/2023 17:35	2818	2	-29	1384	Became Pupil ishraqfatin7 → ishraqfatin7
83	Codeforces Round 867 (Div. 3)	Apr/24/2023 17:35	622	5	+104	1413	Became Specialist ishraqfatin7 → ishraqfatin7
82	Codeforces Round 866 (Div. 2)	Apr/15/2023 12:05	3339	2	-35	1309
81	Codeforces Round 863 (Div. 3)	Apr/04/2023 17:35	1547	4	+84	1344
80	Codeforces Round 862 (Div. 2)	Apr/02/2023 17:35	6069	2	-44	1260
79	CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!)	Mar/31/2023 17:35	5041	3	-9	1304
78	Codeforces Round 860 (Div. 2)	Mar/26/2023 17:35	4748	2	-15	1313
77	Codeforces Round 859 (Div. 4)	Mar/19/2023 17:55	1878	6	+36	1328
76	Codeforces Round 856 (Div. 2)	Mar/04/2023 20:35	2389	3	+31	1292
75	Codeforces Round 855 (Div. 3)	Mar/02/2023 17:35	1797	7	+101	1261	Became Pupil ishraqfatin7 → ishraqfatin7
74	Educational Codeforces Round 144 (Rated for Div. 2)	Feb/28/2023 17:35	5381	2	0	1160
73	Codeforces Round 854 by cybercats (Div. 1 + Div. 2)	Feb/27/2023 17:35	3934	2	+25	1160
72	Educational Codeforces Round 143 (Rated for Div. 2)	Feb/16/2023 17:35	5476	2	+27	1135
71	Codeforces Round 851 (Div. 2)	Feb/09/2023 17:35	9588	1	-40	1108
70	Codeforces Round 850 (Div. 2, based on VK Cup 2022 - Final Round)	Feb/05/2023 15:05	4352	3	-25	1148
69	Codeforces Round 849 (Div. 4)	Feb/03/2023 17:35	3924	6	+44	1173
68	Codeforces Round 848 (Div. 2)	Feb/01/2023 17:35	12707	1	-104	1129	Became Newbie ishraqfatin7 → ishraqfatin7
67	TypeDB Forces 2023 (Div. 1 + Div. 2, Rated, Prizes!)	Jan/29/2023 17:35	3614	2	+64	1233	Became Pupil ishraqfatin7 → ishraqfatin7
66	Codeforces Round 847 (Div. 3)	Jan/27/2023 17:35	8162	3	-35	1169	Became Newbie ishraqfatin7 → ishraqfatin7
65	Educational Codeforces Round 142 (Rated for Div. 2)	Jan/24/2023 17:35	8207	1	-57	1204
64	Codeforces Round 845 (Div. 2) and ByteRace 2023	Jan/21/2023 17:35	4116	2	-4	1261
63	Codeforces Round 844 (Div. 1 + Div. 2, based on VK Cup 2022 - Elimination Round)	Jan/15/2023 15:05	4004	2	+9	1265
62	Educational Codeforces Round 141 (Rated for Div. 2)	Jan/08/2023 17:35	6862	2	-30	1256
61	Codeforces Round 842 (Div. 2)	Jan/05/2023 17:35	6410	2	-24	1286
60	Hello 2023	Jan/03/2023 17:35	3833	3	+73	1310
59	Good Bye 2022: 2023 is NEAR	Dec/30/2022 17:35	6426	2	+33	1237
58	Codeforces Round 841 (Div. 2) and Divide by Zero 2022	Dec/27/2022 17:35	6500	2	-19	1204
57	Codeforces Round 840 (Div. 2) and Enigma 2022 - Cybros LNMIIT	Dec/19/2022 17:35	2766	2	+76	1223	Became Pupil ishraqfatin7 → ishraqfatin7
56	Codeforces Round 839 (Div. 3)	Dec/18/2022 17:35	6415	3	-33	1147
55	Polynomial Round 2022 (Div. 1 + Div. 2, Rated, Prizes!)	Dec/17/2022 17:35	4292	2	+57	1180
54	Educational Codeforces Round 140 (Rated for Div. 2)	Dec/16/2022 17:35	7744	2	-21	1123
53	Codeforces Round 838 (Div. 2)	Dec/15/2022 17:35	6948	2	-21	1144
52	Educational Codeforces Round 139 (Rated for Div. 2)	Dec/12/2022 17:35	7013	2	-36	1165	Became Newbie ishraqfatin7 → ishraqfatin7
51	Codeforces Round 837 (Div. 2)	Dec/11/2022 18:35	7119	1	-59	1201
50	Codeforces Round 835 (Div. 4)	Nov/21/2022 17:35	3238	5	+5	1260
49	Pinely Round 1 (Div. 1 + Div. 2)	Nov/20/2022 17:35	2545	3	+92	1255	Became Pupil ishraqfatin7 → ishraqfatin7
48	Codeforces Round 834 (Div. 3)	Nov/18/2022 17:35	4960	3	-1	1163
47	Codeforces Round 833 (Div. 2)	Nov/12/2022 17:35	3245	2	+81	1164
46	CodeTON Round 3 (Div. 1 + Div. 2, Rated, Prizes!)	Nov/06/2022 17:35	5492	2	+22	1083
45	Codeforces Round 831 (Div. 1 + Div. 2)	Oct/29/2022 12:10	2231	4	+202	1061
44	Codeforces Round 829 (Div. 2)	Oct/23/2022 10:50	6997	2	+14	859
43	Educational Codeforces Round 137 (Rated for Div. 2)	Oct/17/2022 17:35	10912	2	-11	845
42	Codeforces Round 828 (Div. 3)	Oct/16/2022 17:35	12286	1	-63	856
41	Codeforces Round 827 (Div. 4)	Oct/13/2022 17:35	7706	3	+55	919
40	Codeforces Round 826 (Div. 3)	Oct/11/2022 17:35	11645	2	-20	864
39	Codeforces Round 820 (Div. 3)	Sep/12/2022 17:35	11463	2	-6	884
38	Codeforces Round 818 (Div. 2)	Sep/02/2022 17:35	7597	1	+18	890
37	Codeforces Round 817 (Div. 4)	Aug/30/2022 17:50	9250	3	+41	872
36	Educational Codeforces Round 134 (Rated for Div. 2)	Aug/27/2022 17:35	9258	1	+36	831
35	Codeforces Round 816 (Div. 2)	Aug/20/2022 17:35	12363	1	-58	795
34	Codeforces Round 814 (Div. 2)	Aug/16/2022 17:35	9128	2	+49	853
33	Codeforces Round 813 (Div. 2)	Aug/13/2022 17:35	12007	2	-2	804
32	Codeforces Round 811 (Div. 3)	Aug/01/2022 17:35	9058	3	+69	806
31	Codeforces Round 810 (Div. 2)	Jul/24/2022 17:35	11466	1	-12	737
30	Codeforces Round 809 (Div. 2)	Jul/18/2022 17:35	12979	0	-100	749
29	Codeforces Round 805 (Div. 3)	Jul/10/2022 17:35	12201	2	-30	849
28	Codeforces Round 800 (Div. 2)	Jun/16/2022 17:35	10129	1	-16	879
27	Codeforces Round 799 (Div. 4)	Jun/14/2022 17:35	10341	3	+18	895
26	Educational Codeforces Round 130 (Rated for Div. 2)	Jun/12/2022 17:35	11842	1	-58	877
25	Codeforces Round 797 (Div. 3)	Jun/07/2022 17:35	10316	3	+14	935
24	Codeforces Round 796 (Div. 2)	Jun/03/2022 17:35	7635	2	+57	921
23	CodeCraft-22 and Codeforces Round 795 (Div. 2)	May/31/2022 17:35	13027	1	-59	864
22	Codeforces Round 794 (Div. 2)	May/25/2022 20:35	6590	2	-5	923
21	Codeforces Round 793 (Div. 2)	May/22/2022 17:35	9428	1	-33	928
20	Codeforces Round 792 (Div. 1 + Div. 2)	May/19/2022 17:35	8163	2	+21	961
19	Codeforces Round 791 (Div. 2)	May/14/2022 12:35	5274	1	+66	940
18	Educational Codeforces Round 128 (Rated for Div. 2)	May/13/2022 17:35	9399	2	-15	874
17	Codeforces Round 790 (Div. 4)	May/10/2022 17:45	10547	3	-14	889
16	Codeforces Round 789 (Div. 2)	May/08/2022 17:35	7731	2	-26	903
15	Codeforces Round 786 (Div. 3)	May/02/2022 17:35	6834	3	+41	929
14	Codeforces Global Round 20	Apr/23/2022 17:05	6622	2	+3	888
13	Educational Codeforces Round 127 (Rated for Div. 2)	Apr/22/2022 17:35	7428	2	+26	885
12	Codeforces Round 784 (Div. 4)	Apr/21/2022 17:35	13249	2	-61	859
11	Codeforces Round 780 (Div. 3)	Mar/31/2022 17:35	10869	2	-38	920
10	Educational Codeforces Round 125 (Rated for Div. 2)	Mar/22/2022 17:45	6009	3	+93	958
9	Codeforces Round 778 (Div. 1 + Div. 2, based on Technocup 2022 Final Round)	Mar/20/2022 14:35	7418	1	-36	865
8	Codeforces Round 776 (Div. 3)	Mar/08/2022 17:35	7926	2	+57	901
7	Codeforces Round 774 (Div. 2)	Mar/04/2022 18:35	10581	1	-36	844
6	Codeforces Round 770 (Div. 2)	Feb/06/2022 17:35	12334	1	-10	880
5	Educational Codeforces Round 122 (Rated for Div. 2)	Jan/31/2022 17:35	11947	2	+64	890
4	Codeforces Round 769 (Div. 2)	Jan/30/2022 17:35	13955	1	+71	826
3	Codeforces Round 768 (Div. 2)	Jan/27/2022 17:35	15426	1	+142	755
2	Codeforces Round 767 (Div. 2)	Jan/22/2022 17:35	14501	1	+227	613
1	Codeforces Round 762 (Div. 3)	Dec/20/2021 17:35	10919	2	+386	386	ishraqfatin7 → ishraqfatin7

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