Contests - Codeforces

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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
150	Codeforces Round 1122 (Div. 3)	Sep/21/2026 17:35	1442	5	+18	1510
149	Codeforces Round 1121 (Div. 2)	Sep/13/2026 20:05	1616	3	+23	1492
148	Codeforces Round 1120 (Div. 2)	Sep/12/2026 17:35	2577	3	-9	1469
147	Educational Codeforces Round 194 (Rated for Div. 2)	Sep/08/2026 17:35	1365	4	+73	1478
146	Codeforces Round 1119 (Div. 3)	Sep/05/2026 17:45	3972	4	-30	1405
145	Codeforces Round 1118 (Div. 2)	Aug/29/2026 17:35	2291	3	+46	1435	Became Specialist arastoo → arastoo
144	Codeforces Round 1117 (Div. 2)	Aug/17/2026 17:35	3567	3	0	1389
143	Educational Codeforces Round 193 (Rated for Div. 2)	Aug/07/2026 17:35	4340	2	-27	1389	Became Pupil arastoo → arastoo
142	Codeforces Round 1114 (Div. 3)	Aug/04/2026 17:35	2012	6	+41	1416	Became Specialist arastoo → arastoo
141	Codeforces Round 1113 (Div. 2)	Aug/01/2026 17:35	2127	4	+70	1375
140	Codeforces Round 1112 (Div. 2)	Jul/26/2026 17:35	3842	3	+10	1305
139	Codeforces Round 1111 (Div. 2)	Jul/18/2026 17:35	9002	2	-112	1295	Became Pupil arastoo → arastoo
138	Educational Codeforces Round 192 (Rated for Div. 2)	Jul/06/2026 17:35	5180	3	-42	1407
137	Codeforces Round 1101 (Div. 2)	May/30/2026 17:35	7527	2	-81	1449
136	Spectral::Cup 2026 Round 2 (Codeforces Round 1100, Div. 1 + Div. 2)	May/23/2026 17:35	3001	4	-10	1530
135	Codeforces Round 1099 (Div. 2)	May/21/2026 17:35	2166	3	+27	1540
134	Educational Codeforces Round 187 (Rated for Div. 2)	Feb/25/2026 17:35	1876	4	+40	1513
133	Codeforces Round 1082 (Div. 2)	Feb/23/2026 17:35	2150	4	+8	1473
132	Codeforces Round 1081 (Div. 2)	Feb/21/2026 17:35	3976	3	-30	1465
131	Codeforces Round 1079 (Div. 2)	Feb/11/2026 17:35	2902	3	+2	1495
130	Codeforces Round 1078 (Div. 2)	Feb/08/2026 12:05	4397	3	-45	1493
129	Hello 2026	Jan/07/2026 17:35	2913	4	+43	1538
128	Educational Codeforces Round 186 (Rated for Div. 2)	Dec/29/2025 17:35	3355	4	-6	1495
127	Good Bye 2025	Dec/27/2025 17:35	6470	3	-40	1501
126	Codeforces Round 1071 (Div. 3)	Dec/23/2025 17:45	1170	5	+46	1541
125	Codeforces Global Round 31 (Div. 1 + Div. 2)	Dec/19/2025 17:35	5138	2	-32	1495
124	Codeforces Round 1070 (Div. 2)	Dec/11/2025 17:35	5180	3	-69	1527
123	Codeforces Round 1069 (Div. 2)	Dec/06/2025 11:15	974	3	+29	1596
122	Codeforces Round 1068 (Div. 2)	Dec/05/2025 17:35	4996	2	-78	1567	Became Specialist arastoo → arastoo
121	Codeforces Round 1067 (Div. 2)	Nov/29/2025 17:35	1871	3	-8	1645
120	Codeforces Round 1066 (Div. 1 + Div. 2)	Nov/23/2025 12:35	1917	4	+8	1653
119	Codeforces Round 1065 (Div. 3)	Nov/20/2025 17:35	528	6	+43	1645
118	Codeforces Round 1064 (Div. 2)	Nov/16/2025 17:35	1509	3	+10	1602	Became Expert arastoo → arastoo
117	Educational Codeforces Round 184 (Rated for Div. 2)	Nov/14/2025 17:35	2763	3	-13	1592	Became Specialist arastoo → arastoo
116	Codeforces Round 1063 (Div. 2)	Nov/10/2025 18:05	2064	2	-1	1605
115	Codeforces Global Round 30 (Div. 1 + Div. 2)	Nov/06/2025 17:35	1340	4	+92	1606	Became Expert arastoo → arastoo
114	Pinely Round 5 (Div. 1 + Div. 2)	Oct/30/2025 19:35	2554	2	-10	1514
113	Codeforces Round 1060 (Div. 2)	Oct/19/2025 17:35	4647	3	-58	1524
112	Codeforces Round 1059 (Div. 3)	Oct/17/2025 17:35	1546	5	+1	1582
111	Codeforces Round 1058 (Div. 2)	Oct/12/2025 17:35	1173	4	+54	1581
110	Educational Codeforces Round 183 (Rated for Div. 2)	Oct/06/2025 17:35	2448	3	+26	1527
109	Codeforces Round 1056 (Div. 2)	Oct/05/2025 19:35	5296	2	-78	1501
108	Squarepoint Challenge (Codeforces Round 1055, Div. 1 + Div. 2)	Oct/03/2025 17:35	2829	3	+20	1579
107	Codeforces Round 1053 (Div. 2)	Sep/24/2025 14:35	1883	3	-10	1559
106	Codeforces Global Round 29 (Div. 1 + Div. 2)	Sep/20/2025 17:35	2277	4	+54	1569
105	Codeforces Round 1051 (Div. 2)	Sep/17/2025 17:35	3963	3	-26	1515
104	Educational Codeforces Round 182 (Rated for Div. 2)	Sep/15/2025 17:35	5058	3	-59	1541	Became Specialist arastoo → arastoo
103	Codeforces Round 1046 (Div. 2)	Aug/28/2025 17:35	2345	4	-8	1600
102	Codeforces Round 1042 (Div. 3)	Aug/10/2025 17:35	431	6	+90	1608	Became Expert arastoo → arastoo
101	Atto Round 1 (Codeforces Round 1041, Div. 1 + Div. 2)	Aug/07/2025 17:35	2917	3	+33	1518
100	Codeforces Round 1040 (Div. 2)	Jul/31/2025 17:35	3052	4	+9	1485
99	Codeforces Round 1039 (Div. 2)	Jul/27/2025 17:35	2615	4	+40	1476
98	Educational Codeforces Round 181 (Rated for Div. 2)	Jul/22/2025 17:35	3274	4	+36	1436
97	Order Capital Round 1 (Codeforces Round 1038, Div. 1 + Div. 2)	Jul/19/2025 17:35	4123	2	+38	1400	Became Specialist arastoo → arastoo
96	EPIC Institute of Technology Round Summer 2025 (Codeforces Round 1036, Div. 1 + Div. 2)	Jul/06/2025 17:35	4190	3	+19	1362
95	Codeforces Round 1035 (Div. 2)	Jul/05/2025 17:35	5782	2	-5	1343
94	Codeforces Round 1034 (Div. 3)	Jul/01/2025 17:35	4454	4	+4	1348
93	Educational Codeforces Round 180 (Rated for Div. 2)	Jun/23/2025 17:35	11580	1	-105	1344	Became Pupil arastoo → arastoo
92	Codeforces Round 1032 (Div. 3)	Jun/17/2025 17:35	6758	3	-68	1449
91	Codeforces Round 1029 (Div. 3)	Jun/08/2025 17:35	633	5	+97	1517
90	Educational Codeforces Round 178 (Rated for Div. 2)	Apr/28/2025 17:35	4375	3	-38	1420
89	Codeforces Round 1019 (Div. 2)	Apr/21/2025 17:35	4564	2	-37	1458
88	Neowise Labs Contest 1 (Codeforces Round 1018, Div. 1 + Div. 2)	Apr/19/2025 17:35	2488	3	+69	1495
87	Teza Round 1 (Codeforces Round 1015, Div. 1 + Div. 2)	Apr/05/2025 17:35	4845	3	-30	1426
86	Codeforces Round 1014 (Div. 2)	Mar/29/2025 17:35	3257	3	+24	1456
85	Codeforces Round 1012 (Div. 2)	Mar/23/2025 08:35	6809	1	-138	1432
84	Educational Codeforces Round 176 (Rated for Div. 2)	Mar/17/2025 17:35	2206	3	+27	1570
83	Codeforces Round 1008 (Div. 2)	Mar/10/2025 17:45	4469	2	-55	1543
82	Codeforces Round 1007 (Div. 2)	Feb/28/2025 17:35	1653	3	+42	1598
81	Codeforces Round 1005 (Div. 2)	Feb/16/2025 17:35	2316	3	+24	1556
80	Codeforces Round 1004 (Div. 2)	Feb/11/2025 17:35	2454	3	+13	1532
79	Codeforces Round 1002 (Div. 2)	Feb/02/2025 17:35	7963	2	-93	1519	Became Specialist arastoo → arastoo
78	Hello 2025	Jan/04/2025 17:35	2528	3	+37	1612	Became Expert arastoo → arastoo
77	Good Bye 2024: 2025 is NEAR	Dec/28/2024 17:35	2633	4	+45	1575
76	Educational Codeforces Round 173 (Rated for Div. 2)	Dec/24/2024 17:35	1470	3	+71	1530
75	Codeforces Round 990 (Div. 2)	Dec/03/2024 09:25	2468	3	-48	1459
74	Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)	Nov/30/2024 17:35	2706	3	+26	1507
73	CodeTON Round 9 (Div. 1 + Div. 2, Rated, Prizes!)	Nov/23/2024 17:35	4358	3	-58	1481
72	Codeforces Round 986 (Div. 2)	Nov/10/2024 18:35	1600	3	+30	1539
71	Refact.ai Match 1 (Codeforces Round 985)	Nov/09/2024 17:35	2368	3	+22	1509
70	Codeforces Global Round 27	Oct/27/2024 17:35	3323	3	+3	1487
69	Codeforces Round 980 (Div. 2)	Oct/20/2024 12:05	6940	2	-110	1484
68	Codeforces Round 979 (Div. 2)	Oct/19/2024 17:05	1331	4	+60	1594
67	Educational Codeforces Round 170 (Rated for Div. 2)	Oct/14/2024 17:35	5822	3	-69	1534	Became Specialist arastoo → arastoo
66	Codeforces Round 977 (Div. 2, based on COMPFEST 16 - Final Round)	Oct/06/2024 09:05	1622	3	+29	1603	Became Expert arastoo → arastoo
65	Codeforces Round 975 (Div. 2)	Sep/27/2024 16:35	1486	3	+42	1574
64	Codeforces Round 973 (Div. 2)	Sep/20/2024 17:35	1021	4	+118	1532
63	Codeforces Round 970 (Div. 3)	Sep/01/2024 17:35	1868	6	+58	1414	Became Specialist arastoo → arastoo
62	Codeforces Round 969 (Div. 2)	Aug/30/2024 17:35	5251	2	-20	1356
61	Codeforces Round 968 (Div. 2)	Aug/25/2024 17:35	10822	2	-94	1376	Became Pupil arastoo → arastoo
60	Codeforces Round 967 (Div. 2)	Aug/20/2024 17:35	3315	3	+27	1470
59	Codeforces Round 966 (Div. 3)	Aug/13/2024 17:40	7265	4	-55	1443
58	EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2)	Aug/11/2024 17:35	3248	3	+32	1498
57	Codeforces Round 963 (Div. 2)	Aug/04/2024 17:35	3346	3	+30	1466
56	Educational Codeforces Round 168 (Rated for Div. 2)	Jul/30/2024 17:35	6418	3	-27	1436
55	Pinely Round 4 (Div. 1 + Div. 2)	Jul/28/2024 17:35	4747	3	-15	1463
54	Codeforces Round 961 (Div. 2)	Jul/23/2024 17:35	1897	3	+71	1478
53	Codeforces Round 960 (Div. 2)	Jul/20/2024 17:35	4512	2	-5	1407
52	Codeforces Round 958 (Div. 2)	Jul/15/2024 17:35	4020	3	+13	1412	Became Specialist arastoo → arastoo
51	Codeforces Round 955 (Div. 2, with prizes from NEAR!)	Jun/25/2024 17:35	2782	3	+57	1399
50	Codeforces Round 953 (Div. 2)	Jun/16/2024 12:05	6146	2	-59	1342	Became Pupil arastoo → arastoo
49	Codeforces Global Round 26	Jun/09/2024 17:35	2125	4	+119	1401	Became Specialist arastoo → arastoo
48	Codeforces Round 948 (Div. 2)	May/26/2024 17:35	8967	1	-77	1282
47	Educational Codeforces Round 165 (Rated for Div. 2)	Apr/29/2024 17:35	9197	1	-122	1359	Became Pupil arastoo → arastoo
46	Codeforces Round 941 (Div. 2)	Apr/27/2024 17:35	2571	3	-11	1481
45	Educational Codeforces Round 164 (Rated for Div. 2)	Apr/12/2024 17:35	2981	3	+19	1492
44	CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!)	Mar/30/2024 17:35	2359	4	+76	1473	Became Specialist arastoo → arastoo
43	Codeforces Round 936 (Div. 2)	Mar/22/2024 17:35	4013	2	+9	1397
42	Codeforces Round 934 (Div. 2)	Mar/16/2024 17:35	3449	3	+10	1388
41	Codeforces Round 932 (Div. 2)	Mar/05/2024 17:35	3624	2	+47	1378
40	Codeforces Round 931 (Div. 2)	Mar/01/2024 17:35	6399	2	-36	1331
39	think-cell Round 1	Feb/17/2024 17:35	4509	2	-10	1367
38	Codeforces Round 926 (Div. 2)	Feb/15/2024 17:35	4316	3	+15	1377
37	Codeforces Round 924 (Div. 2)	Feb/11/2024 12:35	4897	2	-32	1362
36	Pinely Round 3 (Div. 1 + Div. 2)	Dec/23/2023 17:35	2345	3	+89	1394
35	Educational Codeforces Round 160 (Rated for Div. 2)	Dec/18/2023 17:35	4628	3	+1	1305
34	Codeforces Round 915 (Div. 2)	Dec/16/2023 17:35	5943	2	-42	1304
33	Codeforces Round 914 (Div. 2)	Dec/09/2023 19:05	3752	2	-35	1346
32	Codeforces Round 912 (Div. 2)	Nov/30/2023 19:35	1566	3	+58	1381
31	CodeTON Round 7 (Div. 1 + Div. 2, Rated, Prizes!)	Nov/25/2023 17:50	2673	3	+77	1323
30	Codeforces Round 907 (Div. 2)	Oct/30/2023 17:35	2847	3	+94	1246	Became Pupil arastoo → arastoo
29	Codeforces Round 903 (Div. 3)	Oct/12/2023 17:35	8011	2	-31	1152
28	Codeforces Round 902 (Div. 2, based on COMPFEST 15 - Final Round)	Oct/08/2023 12:05	4717	2	-19	1183	Became Newbie arastoo → arastoo
27	Codeforces Round 897 (Div. 2)	Sep/11/2023 17:35	6231	2	-14	1202
26	Codeforces Round 896 (Div. 2)	Sep/10/2023 17:05	5180	2	-15	1216
25	Codeforces Round 895 (Div. 3)	Sep/07/2023 17:35	3756	4	+50	1231	Became Pupil arastoo → arastoo
24	Educational Codeforces Round 154 (Rated for Div. 2)	Aug/31/2023 17:35	5966	2	+21	1181
23	Pinely Round 2 (Div. 1 + Div. 2)	Aug/30/2023 17:35	7544	2	-16	1160
22	Codeforces Round 894 (Div. 3)	Aug/24/2023 17:35	6019	3	+23	1176
21	Educational Codeforces Round 153 (Rated for Div. 2)	Aug/17/2023 17:35	8768	1	-18	1153
20	Codeforces Round 889 (Div. 2)	Jul/29/2023 17:35	10440	2	-60	1171	Became Newbie arastoo → arastoo
19	Codeforces Round 887 (Div. 2)	Jul/23/2023 17:35	6189	2	-15	1231
18	Codeforces Round 886 (Div. 4)	Jul/21/2023 17:35	4769	5	-4	1246
17	Codeforces Round 885 (Div. 2)	Jul/16/2023 17:35	3658	2	+34	1250
16	Codeforces Round 884 (Div. 1 + Div. 2)	Jul/11/2023 17:35	2849	4	+159	1216	Became Pupil arastoo → arastoo
15	Codeforces Round 883 (Div. 3)	Jul/07/2023 17:35	7131	3	+32	1057
14	Codeforces Round 882 (Div. 2)	Jul/06/2023 17:35	12455	1	-94	1025
13	Codeforces Round 877 (Div. 2)	Jun/04/2023 17:45	5267	2	+55	1119
12	Codeforces Round 876 (Div. 2)	Jun/03/2023 17:35	7132	1	-52	1064
11	Codeforces Round 875 (Div. 2)	May/28/2023 17:35	11318	1	-100	1116	Became Newbie arastoo → arastoo
10	Codeforces Round 873 (Div. 2)	May/14/2023 17:35	4433	3	0	1216
9	Codeforces Round 868 (Div. 2)	Apr/27/2023 17:35	5747	2	-82	1216
8	Educational Codeforces Round 147 (Rated for Div. 2)	Apr/20/2023 17:35	3492	3	+1	1298
7	Codeforces Round 862 (Div. 2)	Apr/02/2023 17:35	2094	3	+99	1297	Became Pupil arastoo → arastoo
6	CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!)	Mar/31/2023 17:35	6320	2	+36	1198
5	Codeforces Round 861 (Div. 2)	Mar/29/2023 12:05	4278	1	+85	1162
4	Codeforces Round 859 (Div. 4)	Mar/19/2023 17:55	10249	3	+62	1077
3	Nebius Welcome Round (Div. 1 + Div. 2)	Mar/12/2023 17:35	3146	3	+300	1015
2	Educational Codeforces Round 144 (Rated for Div. 2)	Feb/28/2023 17:35	6503	2	+287	715
1	Codeforces Round 853 (Div. 2)	Feb/25/2023 17:20	5995	2	+428	428	arastoo → arastoo

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