April Fools Day Contest 2026

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
2214 April Fools Day Contest 2026 FINISHED False 7200 1351523 April 1, 2026, 2:35 p.m.

Problems

Solved
Index
Name
Type
Tags
Community Tag
Rating
( 1553 ) H Double Vision PROGRAMMING *special

Tutorials

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
369259135 maxwise7 H April 1, 2026, 4:33 p.m. OK C# 13 TESTS 1 62 0
369283421 sheikhsadi86 H April 1, 2026, 7:24 p.m. OK C++17 (GCC 7-32) TESTS 1 0 0
369273607 lastlife H April 1, 2026, 5:57 p.m. OK C++17 (GCC 7-32) TESTS 1 0 0
369305202 icpczjs H April 2, 2026, 3:25 a.m. OK C++17 (GCC 7-32) TESTS 1 0 0
369267652 david.rdz H April 1, 2026, 5:14 p.m. OK C++17 (GCC 7-32) TESTS 1 0 0
369255368 Weeeeeeeeeeeee00 H April 1, 2026, 4:28 p.m. OK C++17 (GCC 7-32) TESTS 1 0 0
369312590 PRKM H April 2, 2026, 5:26 a.m. OK C++17 (GCC 7-32) TESTS 1 0 0
369303112 M.Tuguldur H April 2, 2026, 2:50 a.m. OK C++17 (GCC 7-32) TESTS 1 15 0
369312680 SrikantMeel H April 2, 2026, 5:27 a.m. OK C++17 (GCC 7-32) TESTS 1 15 0
369310221 Strawberry__ H April 2, 2026, 4:51 a.m. OK C++17 (GCC 7-32) TESTS 1 15 0
369308581 wasd0 H April 2, 2026, 4:22 a.m. OK C++17 (GCC 7-32) TESTS 1 15 0
369297293 daisybunny H April 2, 2026, 12:43 a.m. OK C++20 (GCC 13-64) TESTS 1 0 0
369275280 euyogi H April 1, 2026, 6:09 p.m. OK C++20 (GCC 13-64) TESTS 1 0 0
369270805 PowerDeque H April 1, 2026, 5:36 p.m. OK C++20 (GCC 13-64) TESTS 1 0 0
369265406 rui_er H April 1, 2026, 4:59 p.m. OK C++20 (GCC 13-64) TESTS 1 0 0
369257706 _MoMA_ H April 1, 2026, 4:31 p.m. OK C++20 (GCC 13-64) TESTS 1 0 0
369255397 Sacharlemagne H April 1, 2026, 4:28 p.m. OK C++20 (GCC 13-64) TESTS 1 0 0
369263689 magickffmpeg H April 1, 2026, 4:49 p.m. OK C++20 (GCC 13-64) TESTS 1 0 102400
369254592 OG_Matveychick1 H April 1, 2026, 4:27 p.m. OK C++20 (GCC 13-64) TESTS 1 0 11264000
369308584 muramasa07 H April 2, 2026, 4:22 a.m. OK C++20 (GCC 13-64) TESTS 1 15 0
369307206 uranaitnazarov H April 2, 2026, 3:59 a.m. OK C++20 (GCC 13-64) TESTS 1 15 0
369291649 kaustavbhowal H April 1, 2026, 9:33 p.m. OK C++23 (GCC 14-64, msys2) TESTS 1 0 0
369308568 tanishch0001 H April 2, 2026, 4:22 a.m. OK C++23 (GCC 14-64, msys2) TESTS 1 0 0
369306055 Batyi-A-019-28 H April 2, 2026, 3:40 a.m. OK C++23 (GCC 14-64, msys2) TESTS 1 0 0
369305990 lokuov H April 2, 2026, 3:39 a.m. OK C++23 (GCC 14-64, msys2) TESTS 1 0 0
369295831 DreamChaser H April 1, 2026, 11:57 p.m. OK C++23 (GCC 14-64, msys2) TESTS 1 0 0
369294422 poliglota H April 1, 2026, 10:59 p.m. OK C++23 (GCC 14-64, msys2) TESTS 1 0 0
369291467 ardea H April 1, 2026, 9:29 p.m. OK C++23 (GCC 14-64, msys2) TESTS 1 0 0
369289090 Santaclaus97 H April 1, 2026, 8:43 p.m. OK C++23 (GCC 14-64, msys2) TESTS 1 0 0
369287841 Samslays1 H April 1, 2026, 8:24 p.m. OK C++23 (GCC 14-64, msys2) TESTS 1 0 0
369285147 dimastrakhal H April 1, 2026, 7:47 p.m. OK C++23 (GCC 14-64, msys2) TESTS 1 0 0
369275065 cpy H April 1, 2026, 6:07 p.m. OK D TESTS 1 31 0
369271447 1435730 H April 1, 2026, 5:41 p.m. OK GNU C11 TESTS 1 0 0
369257014 prakhar2260 H April 1, 2026, 4:30 p.m. OK GNU C11 TESTS 1 0 0
369255295 samfnirmal H April 1, 2026, 4:28 p.m. OK Java 21 TESTS 1 109 0
369255798 Dukkha H April 1, 2026, 4:28 p.m. OK Java 21 TESTS 1 109 614400
369305422 Saumya1708 H April 2, 2026, 3:29 a.m. OK Java 21 TESTS 1 171 0
369262940 uttaran_das H April 1, 2026, 4:45 p.m. OK Java 21 TESTS 1 187 0
369294818 vsood H April 1, 2026, 11:16 p.m. OK Java 21 TESTS 1 218 0
369262207 parmarmeet603 H April 1, 2026, 4:41 p.m. OK Java 21 TESTS 1 218 0
369293624 quacksire zanda.zhu H April 1, 2026, 10:29 p.m. OK Java 8 TESTS 1 62 0
369255854 Aman_017 H April 1, 2026, 4:29 p.m. OK Java 8 TESTS 1 93 0
369315817 Mo_hab H April 2, 2026, 6:06 a.m. OK PHP TESTS 1 15 0
369305618 begin H April 2, 2026, 3:32 a.m. OK PHP TESTS 1 15 0
369303055 GeometryFeng H April 2, 2026, 2:48 a.m. OK PHP TESTS 1 15 0
369266076 Abraxos H April 1, 2026, 5:04 p.m. OK PHP TESTS 1 31 0
369296897 Mooos H April 2, 2026, 12:33 a.m. OK PHP TESTS 1 31 0
369294323 jajouta H April 1, 2026, 10:55 p.m. OK PHP TESTS 1 31 0
369292466 CrafterKolyan H April 1, 2026, 9:53 p.m. OK PHP TESTS 1 31 0
369278614 RedBlack_soon H April 1, 2026, 6:34 p.m. OK PHP TESTS 1 31 0
369267278 Continue90666 H April 1, 2026, 5:11 p.m. OK PHP TESTS 1 31 0
369300142 Messywind H April 2, 2026, 1:45 a.m. OK PHP TESTS 1 31 0
369259417 limiewin H April 1, 2026, 4:33 p.m. OK PyPy 2 TESTS 1 46 0
369264081 Devilarc H April 1, 2026, 4:51 p.m. OK PyPy 2 TESTS 1 46 0
369296658 khanhtai H April 2, 2026, 12:27 a.m. OK PyPy 3 TESTS 1 0 0
369304825 nhathuy2015 H April 2, 2026, 3:19 a.m. OK PyPy 3 TESTS 1 0 0
369274122 ThirdAttempt H April 1, 2026, 6:01 p.m. OK PyPy 3 TESTS 1 31 0
369261875 ComPhyPark H April 1, 2026, 4:40 p.m. OK PyPy 3 TESTS 1 31 0
369278276 buddeyc H April 1, 2026, 6:31 p.m. OK PyPy 3 TESTS 1 31 0
369286588 Georgy_Hryashev H April 1, 2026, 8:07 p.m. OK PyPy 3 TESTS 1 31 0
369287485 rishi395 H April 1, 2026, 8:19 p.m. OK PyPy 3 TESTS 1 46 0
369254496 Small_update H April 1, 2026, 4:27 p.m. OK PyPy 3 TESTS 1 46 0
369312944 freakbuoyancy H April 2, 2026, 5:31 a.m. OK PyPy 3-64 TESTS 1 15 0
369262793 teekaytai H April 1, 2026, 4:44 p.m. OK PyPy 3-64 TESTS 1 31 0
369294523 belgianfries H April 1, 2026, 11:03 p.m. OK PyPy 3-64 TESTS 1 46 0
369309665 sunrayito H April 2, 2026, 4:41 a.m. OK PyPy 3-64 TESTS 1 46 0
369308921 AbsideEFG99 H April 2, 2026, 4:28 a.m. OK PyPy 3-64 TESTS 1 46 0
369306330 holl0w H April 2, 2026, 3:44 a.m. OK PyPy 3-64 TESTS 1 46 0
369304982 Sheikah H April 2, 2026, 3:22 a.m. OK PyPy 3-64 TESTS 1 46 0
369300704 MacDoraemon H April 2, 2026, 1:58 a.m. OK PyPy 3-64 TESTS 1 46 0
369294963 Toreyah H April 1, 2026, 11:22 p.m. OK PyPy 3-64 TESTS 1 46 0
369293728 bronze_coder H April 1, 2026, 10:33 p.m. OK PyPy 3-64 TESTS 1 46 0
369271019 vikashrajvarun H April 1, 2026, 5:38 p.m. OK Python 2 TESTS 1 15 0
369293441 lindseyli760 H April 1, 2026, 10:23 p.m. OK Python 2 TESTS 1 46 0
369283505 Yug_Gabani H April 1, 2026, 7:25 p.m. OK Python 2 TESTS 1 46 0
369261675 Lagushara H April 1, 2026, 4:38 p.m. OK Python 2 TESTS 1 46 0
369284660 anjay1011 H April 1, 2026, 7:40 p.m. OK Python 3 TESTS 1 15 0
369268673 dranichnikovavv H April 1, 2026, 5:21 p.m. OK Python 3 TESTS 1 15 0
369300914 ZainUlHaq H April 2, 2026, 2:04 a.m. OK Python 3 TESTS 1 31 0
369300625 VSS402928Mohd.Abdullah H April 2, 2026, 1:56 a.m. OK Python 3 TESTS 1 31 0
369298389 DT_Inf H April 2, 2026, 1:05 a.m. OK Python 3 TESTS 1 31 0
369295367 toku4388 H April 1, 2026, 11:37 p.m. OK Python 3 TESTS 1 31 0
369291112 alifahmy1 HotDiggityDog Safawt H April 1, 2026, 9:21 p.m. OK Python 3 TESTS 1 31 0
369288260 Rehxn_khan H April 1, 2026, 8:30 p.m. OK Python 3 TESTS 1 31 0
369275631 namcartoon06 H April 1, 2026, 6:11 p.m. OK Python 3 TESTS 1 31 0
369277503 n4n4 H April 1, 2026, 6:25 p.m. OK Python 3 TESTS 1 31 0

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