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 5325887 April 1, 2026, 2:35 p.m.

Problems

Solved
Index
Name
Type
Tags
Community Tag
Rating
( 4354 ) D Neural Feud PROGRAMMING *special

Questions: 1. I want to wash my car and the car wash is 100 meters away. Should I walk or should I drive? 2. Are you a robot? 3. Is April Fools 2026 Codeforces Contest rated? 4. I was given a cup but it has no bottom and the top is sealed. Can I drink from this? 5. Does Pikachu's tail have a black tip? 6. Is there a seahorse emoji? 7. The word backwards spelled backwards. 8. Number between 1 to 10. The only line contains one integer (n) ((1 \leq n \leq 8)) — the question number. Output one word, the answer of question (n).

Tutorials

April Fools Day Contest 2026 Editorial

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
369305126 prodipdatta7 D April 2, 2026, 3:24 a.m. OK C# 13 TESTS 8 46 12595200
369266435 Marwan_Mousa D April 1, 2026, 5:06 p.m. OK C++17 (GCC 7-32) TESTS 8 15 0
369284662 prabhakar.07.07.07 D April 1, 2026, 7:40 p.m. OK C++17 (GCC 7-32) TESTS 8 15 102400
369281203 soyad96 D April 1, 2026, 7 p.m. OK C++17 (GCC 7-32) TESTS 8 15 102400
369314254 srikenneth D April 2, 2026, 5:48 a.m. OK C++17 (GCC 7-32) TESTS 8 31 0
369308042 ncx312 D April 2, 2026, 4:13 a.m. OK C++17 (GCC 7-32) TESTS 8 31 0
369305254 Pudo D April 2, 2026, 3:26 a.m. OK C++17 (GCC 7-32) TESTS 8 31 0
369299993 beterbread D April 2, 2026, 1:42 a.m. OK C++17 (GCC 7-32) TESTS 8 31 0
369291210 siri_sahasra D April 1, 2026, 9:23 p.m. OK C++17 (GCC 7-32) TESTS 8 31 0
369291022 lindseyli760 D April 1, 2026, 9:19 p.m. OK C++17 (GCC 7-32) TESTS 8 31 0
369290715 alexram D April 1, 2026, 9:12 p.m. OK C++17 (GCC 7-32) TESTS 8 31 0
369303082 lokuov D April 2, 2026, 2:49 a.m. OK C++20 (GCC 13-64) TESTS 8 15 0
369274394 PekitaZ D April 1, 2026, 6:02 p.m. OK C++20 (GCC 13-64) TESTS 8 15 0
369310746 Ahroww2 D April 2, 2026, 4:59 a.m. OK C++20 (GCC 13-64) TESTS 8 15 102400
369289671 Definitely_AI D April 1, 2026, 8:52 p.m. OK C++20 (GCC 13-64) TESTS 8 15 102400
369261456 Rudra_1232 D April 1, 2026, 4:37 p.m. OK C++20 (GCC 13-64) TESTS 8 15 102400
369313059 okarun77 D April 2, 2026, 5:32 a.m. OK C++20 (GCC 13-64) TESTS 8 31 0
369308280 antitaburetka D April 2, 2026, 4:18 a.m. OK C++20 (GCC 13-64) TESTS 8 31 0
369304070 Kona-Bhuvan D April 2, 2026, 3:06 a.m. OK C++20 (GCC 13-64) TESTS 8 31 0
369302789 Heterochromia D April 2, 2026, 2:42 a.m. OK C++20 (GCC 13-64) TESTS 8 31 0
369301657 planetarymodulo D April 2, 2026, 2:20 a.m. OK C++20 (GCC 13-64) TESTS 8 31 0
369300491 SecretAgent07 D April 2, 2026, 1:53 a.m. OK C++23 (GCC 14-64, msys2) TESTS 8 15 0
369299900 raid_master D April 2, 2026, 1:40 a.m. OK C++23 (GCC 14-64, msys2) TESTS 8 15 0
369288255 Bharadwaja_C D April 1, 2026, 8:30 p.m. OK C++23 (GCC 14-64, msys2) TESTS 8 15 0
369283150 cheemesh D April 1, 2026, 7:21 p.m. OK C++23 (GCC 14-64, msys2) TESTS 8 15 0
369282184 ASPER D April 1, 2026, 7:10 p.m. OK C++23 (GCC 14-64, msys2) TESTS 8 15 0
369273386 MashiurTonmoy D April 1, 2026, 5:55 p.m. OK C++23 (GCC 14-64, msys2) TESTS 8 15 0
369264535 Aranna D April 1, 2026, 4:54 p.m. OK C++23 (GCC 14-64, msys2) TESTS 8 15 0
369263177 ItzVarshith D April 1, 2026, 4:46 p.m. OK C++23 (GCC 14-64, msys2) TESTS 8 15 0
369261621 DFS_TREE_7 D April 1, 2026, 4:38 p.m. OK C++23 (GCC 14-64, msys2) TESTS 8 15 0
369258012 OshoWosho D April 1, 2026, 4:31 p.m. OK C++23 (GCC 14-64, msys2) TESTS 8 15 0
369276381 ruban D April 1, 2026, 6:17 p.m. OK FPC TESTS 8 46 2150400
369280723 codex_tornado D April 1, 2026, 6:55 p.m. OK GNU C11 TESTS 8 15 0
369274816 Xenos_Ahnaf D April 1, 2026, 6:05 p.m. OK GNU C11 TESTS 8 15 0
369263986 1435730 D April 1, 2026, 4:50 p.m. OK GNU C11 TESTS 8 31 0
369258665 eycia D April 1, 2026, 4:32 p.m. OK Go TESTS 8 31 0
369278550 akbar21 D April 1, 2026, 6:33 p.m. OK Java 21 TESTS 8 171 1024000
369308289 Saumya1708 D April 2, 2026, 4:18 a.m. OK Java 21 TESTS 8 187 307200
369310191 vineetiwari D April 2, 2026, 4:51 a.m. OK Java 21 TESTS 8 187 512000
369269017 thucnmce200458 D April 1, 2026, 5:24 p.m. OK Java 21 TESTS 8 187 512000
369267957 yashtk_14 D April 1, 2026, 5:16 p.m. OK Java 21 TESTS 8 187 614400
369274090 balvantchaudhary D April 1, 2026, 6 p.m. OK Java 21 TESTS 8 203 0
369260241 ikiku D April 1, 2026, 4:34 p.m. OK Java 21 TESTS 8 203 307200
369263670 arjun_06_s D April 1, 2026, 4:49 p.m. OK Java 21 TESTS 8 218 0
369254440 arjun_06_s D April 1, 2026, 4:27 p.m. OK Java 21 TESTS 8 218 0
369262504 mustansirhy D April 1, 2026, 4:43 p.m. OK Java 21 TESTS 8 218 307200
369305616 Abb0sX D April 2, 2026, 3:32 a.m. OK Java 8 TESTS 8 109 0
369290082 quacksire zanda.zhu D April 1, 2026, 9 p.m. OK Java 8 TESTS 8 109 0
369271984 SJain1801 D April 1, 2026, 5:44 p.m. OK Java 8 TESTS 8 125 0
369255677 nandini_rao12 D April 1, 2026, 4:28 p.m. OK Java 8 TESTS 8 125 0
369267829 cppFriend D April 1, 2026, 5:15 p.m. OK Kotlin 2.2 TESTS 8 93 23654400
369297230 surajchip2 D April 2, 2026, 12:42 a.m. OK PyPy 3 TESTS 8 62 0
369278921 buddeyc D April 1, 2026, 6:37 p.m. OK PyPy 3 TESTS 8 62 102400
369259186 thotasomesh99 D April 1, 2026, 4:33 p.m. OK PyPy 3 TESTS 8 62 102400
369258041 rishi395 D April 1, 2026, 4:31 p.m. OK PyPy 3 TESTS 8 62 102400
369296698 bpdolson D April 2, 2026, 12:28 a.m. OK PyPy 3 TESTS 8 171 4505600
369315818 naflet0 D April 2, 2026, 6:06 a.m. OK PyPy 3-64 TESTS 8 46 0
369312184 BadalArya D April 2, 2026, 5:20 a.m. OK PyPy 3-64 TESTS 8 46 0
369310628 dapingguo8 D April 2, 2026, 4:57 a.m. OK PyPy 3-64 TESTS 8 46 0
369293817 FreenCKup D April 1, 2026, 10:36 p.m. OK PyPy 3-64 TESTS 8 46 0
369293568 belgianfries D April 1, 2026, 10:27 p.m. OK PyPy 3-64 TESTS 8 46 0
369288116 medmdg_3 D April 1, 2026, 8:28 p.m. OK PyPy 3-64 TESTS 8 46 0
369287545 alifahmy1 HotDiggityDog Safawt D April 1, 2026, 8:20 p.m. OK PyPy 3-64 TESTS 8 46 0
369270256 U.. D April 1, 2026, 5:32 p.m. OK PyPy 3-64 TESTS 8 46 0
369266829 Saicharan_1234 D April 1, 2026, 5:08 p.m. OK PyPy 3-64 TESTS 8 46 0
369265919 DEBANGSHU D April 1, 2026, 5:03 p.m. OK PyPy 3-64 TESTS 8 46 0
369283176 Yug_Gabani D April 1, 2026, 7:21 p.m. OK Python 2 TESTS 8 46 0
369294453 sami_kh D April 1, 2026, 11 p.m. OK Python 3 TESTS 8 31 0
369278469 Dark_Horse18 D April 1, 2026, 6:32 p.m. OK Python 3 TESTS 8 31 0
369270332 te9c- D April 1, 2026, 5:33 p.m. OK Python 3 TESTS 8 31 0
369267420 Dipayan5401D D April 1, 2026, 5:12 p.m. OK Python 3 TESTS 8 31 0
369266964 adityano1 D April 1, 2026, 5:09 p.m. OK Python 3 TESTS 8 31 0
369266493 Newton_pi D April 1, 2026, 5:06 p.m. OK Python 3 TESTS 8 31 0
369262114 britvin_matvey D April 1, 2026, 4:41 p.m. OK Python 3 TESTS 8 31 0
369311398 esc_qwq D April 2, 2026, 5:09 a.m. OK Python 3 TESTS 8 46 0
369309409 zhuayhuihan D April 2, 2026, 4:37 a.m. OK Python 3 TESTS 8 46 0
369303790 aaaaaac D April 2, 2026, 3:01 a.m. OK Python 3 TESTS 8 46 0

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