Educational Codeforces Round 189 (Rated for Div. 2)

Solutions are presented as using the least memory and the fastest execution time. It also takes the top 10 most recent solutions from each language. If you want to limit to a specific index, click the "Solved" button and go to that problem.

ContestId
Name
Phase
Frozen
Duration (Seconds)
Relative Time
Start Time
2225 Educational Codeforces Round 189 (Rated for Div. 2) FINISHED False 7200 55501 April 21, 2026, 2:35 p.m.

Problems

Solved
Index
Name
Type
Tags
Community Tag
Rating
( 8897 ) C Red-Black Pairs PROGRAMMING dp greedy

Tutorials

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
372072924 vshirochenko C April 21, 2026, 7:39 p.m. OK C# 13 TESTS 10 93 17305600
372100174 pikachu_vvip C April 22, 2026, 6:05 a.m. OK C++17 (GCC 7-32) TESTS 10 31 0
372098509 sk__18 C April 22, 2026, 5:40 a.m. OK C++17 (GCC 7-32) TESTS 10 31 0
372095485 lastcoderonearth C April 22, 2026, 4:51 a.m. OK C++17 (GCC 7-32) TESTS 10 31 0
372093632 islomjon_yd C April 22, 2026, 4:15 a.m. OK C++17 (GCC 7-32) TESTS 10 31 0
372092642 Twits C April 22, 2026, 3:55 a.m. OK C++17 (GCC 7-32) TESTS 10 31 0
372084932 TomXGC C April 22, 2026, 12:32 a.m. OK C++17 (GCC 7-32) TESTS 10 31 0
372082694 C0deEnigma C April 21, 2026, 11:11 p.m. OK C++17 (GCC 7-32) TESTS 10 31 0
372074797 btcbadshah C April 21, 2026, 8:07 p.m. OK C++17 (GCC 7-32) TESTS 10 31 0
372071173 Sympotic C April 21, 2026, 7:15 p.m. OK C++17 (GCC 7-32) TESTS 10 31 0
372066440 Draunger C April 21, 2026, 6:14 p.m. OK C++17 (GCC 7-32) TESTS 10 31 0
372094401 Acmer_ C April 22, 2026, 4:31 a.m. OK C++20 (GCC 13-64) TESTS 10 31 0
372091078 marcoq2025 C April 22, 2026, 3:18 a.m. OK C++20 (GCC 13-64) TESTS 10 31 0
372090014 FIAZE_AHAMED C April 22, 2026, 2:55 a.m. OK C++20 (GCC 13-64) TESTS 10 31 0
372084425 shrapnelzz C April 22, 2026, 12:15 a.m. OK C++20 (GCC 13-64) TESTS 10 31 0
372078987 matveylalok C April 21, 2026, 9:23 p.m. OK C++20 (GCC 13-64) TESTS 10 31 0
372078344 jorgevmg31 C April 21, 2026, 9:08 p.m. OK C++20 (GCC 13-64) TESTS 10 31 0
372075940 levi__k C April 21, 2026, 8:26 p.m. OK C++20 (GCC 13-64) TESTS 10 31 0
372069581 Shivanshu_9 C April 21, 2026, 6:50 p.m. OK C++20 (GCC 13-64) TESTS 10 31 0
372068414 Pratham2123 C April 21, 2026, 6:36 p.m. OK C++20 (GCC 13-64) TESTS 10 31 0
372065421 arshjeet C April 21, 2026, 6:03 p.m. OK C++20 (GCC 13-64) TESTS 10 31 0
372099538 PiMat_ C April 22, 2026, 5:56 a.m. OK C++23 (GCC 14-64, msys2) TESTS 10 31 0
372099399 abhaykumarjnvnit C April 22, 2026, 5:54 a.m. OK C++23 (GCC 14-64, msys2) TESTS 10 31 0
372098932 Pugx C April 22, 2026, 5:46 a.m. OK C++23 (GCC 14-64, msys2) TESTS 10 31 0
372098765 DivyaMusahib C April 22, 2026, 5:43 a.m. OK C++23 (GCC 14-64, msys2) TESTS 10 31 0
372098666 Ammar_Almustafa C April 22, 2026, 5:42 a.m. OK C++23 (GCC 14-64, msys2) TESTS 10 31 0
372098211 vduttrat C April 22, 2026, 5:35 a.m. OK C++23 (GCC 14-64, msys2) TESTS 10 31 0
372098049 molongdadi C April 22, 2026, 5:32 a.m. OK C++23 (GCC 14-64, msys2) TESTS 10 31 0
372097733 misaka_misaka C April 22, 2026, 5:28 a.m. OK C++23 (GCC 14-64, msys2) TESTS 10 31 0
372096687 pinktulip C April 22, 2026, 5:12 a.m. OK C++23 (GCC 14-64, msys2) TESTS 10 31 0
372094147 Mohammad_Shuvon C April 22, 2026, 4:26 a.m. OK C++23 (GCC 14-64, msys2) TESTS 10 31 0
372044559 vibe_coder_saad C April 21, 2026, 4:10 p.m. OK GNU C11 TESTS 10 46 307200
372046904 Habib.61 C April 21, 2026, 4:17 p.m. OK GNU C11 TESTS 10 46 409600
372045788 Radhans_dad18 C April 21, 2026, 4:14 p.m. OK GNU C11 TESTS 10 46 1228800
372054589 Sayantan_Hazra C April 21, 2026, 4:34 p.m. OK GNU C11 TESTS 10 62 1228800
372044748 madhu.korada131 C April 21, 2026, 4:11 p.m. OK Java 21 TESTS 10 187 1433600
372098688 deshaboinaabhishekyadav C April 22, 2026, 5:43 a.m. OK Java 21 TESTS 10 203 102400
372061896 tuncay.deger1994 C April 21, 2026, 5:28 p.m. OK Java 21 TESTS 10 203 307200
372054461 Danish830 C April 21, 2026, 4:34 p.m. OK Java 21 TESTS 10 203 614400
372060908 dharshu28 C April 21, 2026, 5:20 p.m. OK Java 21 TESTS 10 203 716800
372071881 pieande C April 21, 2026, 7:25 p.m. OK Java 21 TESTS 10 218 512000
372062283 tuncay.deger1994 C April 21, 2026, 5:32 p.m. OK Java 21 TESTS 10 218 614400
372053679 rishi_reddyyy C April 21, 2026, 4:33 p.m. OK Java 21 TESTS 10 218 614400
372043310 hzhan421 C April 21, 2026, 4:07 p.m. OK Java 21 TESTS 10 218 614400
372066785 uttaran_das C April 21, 2026, 6:17 p.m. OK Java 21 TESTS 10 218 716800
372045213 harsh_1806 C April 21, 2026, 4:12 p.m. OK Java 8 TESTS 10 109 0
372068797 Pranav_45 C April 21, 2026, 6:40 p.m. OK Java 8 TESTS 10 140 54886400
372066649 cosine90 C April 21, 2026, 6:16 p.m. OK Java 8 TESTS 10 171 0
372062833 cosine90 C April 21, 2026, 5:37 p.m. OK Java 8 TESTS 10 171 0
372046176 bindusreeA C April 21, 2026, 4:15 p.m. OK Java 8 TESTS 10 171 0
372048085 krishna_s_kapale C April 21, 2026, 4:19 p.m. OK Java 8 TESTS 10 171 24576000
372045393 Shryy C April 21, 2026, 4:13 p.m. OK Java 8 TESTS 10 250 0
372052974 Ayush79 C April 21, 2026, 4:31 p.m. OK Kotlin 2.2 TESTS 10 109 23859200
372052689 cubeweek C April 21, 2026, 4:30 p.m. OK Kotlin 2.2 TESTS 10 125 24268800
372045074 barsuki C April 21, 2026, 4:12 p.m. OK Kotlin 2.2 TESTS 10 156 23961600
372045102 modhshubhr C April 21, 2026, 4:12 p.m. OK Kotlin 2.2 TESTS 10 250 24473600
372057240 SuryaPrakashMC C April 21, 2026, 4:51 p.m. OK PyPy 3 TESTS 10 218 145920000
372045814 Nont1000 C April 21, 2026, 4:14 p.m. OK PyPy 3 TESTS 10 234 8499200
372069605 Archis009 C April 21, 2026, 6:51 p.m. OK PyPy 3 TESTS 10 250 8499200
372054878 SimranSobhani C April 21, 2026, 4:34 p.m. OK PyPy 3 TESTS 10 265 6553600
372092205 huichen C April 22, 2026, 3:45 a.m. OK PyPy 3 TESTS 10 296 18636800
372056646 lauriejoslin C April 21, 2026, 4:47 p.m. OK PyPy 3 TESTS 10 312 7987200
372070316 zenitsu.thunder C April 21, 2026, 7:01 p.m. OK PyPy 3 TESTS 10 328 8396800
372090845 wife_nicenature C April 22, 2026, 3:13 a.m. OK PyPy 3 TESTS 10 343 10547200
372056264 anose C April 21, 2026, 4:44 p.m. OK PyPy 3 TESTS 10 359 9011200
372043412 amanv2 C April 21, 2026, 4:08 p.m. OK PyPy 3-64 TESTS 10 78 5427200
372047464 NaughtyIndia01 C April 21, 2026, 4:18 p.m. OK PyPy 3-64 TESTS 10 93 5120000
372048538 RRR7 C April 21, 2026, 4:21 p.m. OK PyPy 3-64 TESTS 10 93 5222400
372059607 omkaar C April 21, 2026, 5:09 p.m. OK PyPy 3-64 TESTS 10 109 3788800
372051564 rypsa2012 C April 21, 2026, 4:28 p.m. OK PyPy 3-64 TESTS 10 109 4812800
372074369 tar324123 C April 21, 2026, 8:01 p.m. OK PyPy 3-64 TESTS 10 109 5017600
372052050 doghmen.melekd7 C April 21, 2026, 4:29 p.m. OK PyPy 3-64 TESTS 10 109 5017600
372048323 swarajpanmand C April 21, 2026, 4:20 p.m. OK PyPy 3-64 TESTS 10 109 5222400
372058142 SeraNhym_K_huh C April 21, 2026, 4:57 p.m. OK PyPy 3-64 TESTS 10 109 5324800
372043994 nbva.exe C April 21, 2026, 4:09 p.m. OK PyPy 3-64 TESTS 10 109 5324800
372047739 sahaana_pushparaj C April 21, 2026, 4:19 p.m. OK Python 2 TESTS 10 250 5939200
372053357 adiku10.05 C April 21, 2026, 4:32 p.m. OK Python 3 TESTS 10 93 3276800
372064407 BharatTHFC C April 21, 2026, 5:53 p.m. OK Python 3 TESTS 10 125 9113600
372044318 abezr882 C April 21, 2026, 4:10 p.m. OK Python 3 TESTS 10 140 3174400
372051304 shubh-varshney C April 21, 2026, 4:27 p.m. OK Python 3 TESTS 10 140 4198400
372094313 eugalt C April 22, 2026, 4:29 a.m. OK Python 3 TESTS 10 156 1126400
372053110 Shubh_1654 C April 21, 2026, 4:31 p.m. OK Python 3 TESTS 10 156 9113600
372043369 _kiran_iitm C April 21, 2026, 4:08 p.m. OK Python 3 TESTS 10 171 1228800
372064814 khairnarsoham7 C April 21, 2026, 5:57 p.m. OK Python 3 TESTS 10 171 7680000
372046584 avanish.pathak_cs25 C April 21, 2026, 4:16 p.m. OK Python 3 TESTS 10 171 9113600
372051339 abdullahyousuf54 C April 21, 2026, 4:27 p.m. OK Python 3 TESTS 10 171 10956800
372048855 LiuAlexR C April 21, 2026, 4:21 p.m. OK Rust 2024 TESTS 10 46 0

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