April Fools Day Contest 2016

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ContestId
Name
Phase
Frozen
Duration (Seconds)
Relative Time
Start Time
656 April Fools Day Contest 2016 FINISHED False 7200 272296799 April 1, 2016, 4 p.m.

Problems

Solved$
Index
Name
Type
Tags
Community Tag
Rating
( 486 ) G You're a Professional PROGRAMMING *special 2200

B'A simple recommendation system would recommend a user things liked by a certain number of their friends. In this problem you will implement part of such a system. You are given user 's friends ' opinions about a list of items. You are also given a threshold T -- the minimal number of "likes" necessary for an item to be recommended to the user. Output the number of items in the list liked by at least T of user 's friends. The first line of the input will contain three space-separated integers: the number of friends F (1 xe2 x80 x89 xe2 x89 xa4 xe2 x80 x89F xe2 x80 x89 xe2 x89 xa4 xe2 x80 x8910), the number of items I (1 xe2 x80 x89 xe2 x89 xa4 xe2 x80 x89I xe2 x80 x89 xe2 x89 xa4 xe2 x80 x8910) and the threshold T (1 xe2 x80 x89 xe2 x89 xa4 xe2 x80 x89T xe2 x80 x89 xe2 x89 xa4 xe2 x80 x89F). The following F lines of input contain user 's friends ' opinions. j-th character of i-th line is 'Y ' if i-th friend likes j-th item, and 'N ' otherwise. Output an integer -- the number of items liked by at least T of user 's friends. '...

Tutorials

44141

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
17115325 wilcot G April 1, 2016, 5:51 p.m. OK D TESTS 33 15 3072000 2200
17111203 ayaze G April 1, 2016, 5:25 p.m. OK D TESTS 33 15 3072000 2200
17109667 Rinsler G April 1, 2016, 5:15 p.m. OK D TESTS 33 15 3072000 2200
17115792 FxF G April 1, 2016, 5:54 p.m. OK Delphi TESTS 33 15 2560000 2200
17114734 maximumSHOT G April 1, 2016, 5:47 p.m. OK Delphi TESTS 33 15 2560000 2200
18018919 sincerity G May 21, 2016, 12:59 p.m. OK Delphi TESTS 33 15 2662400 2200
17109648 Lo_R_D G April 1, 2016, 5:15 p.m. OK Delphi TESTS 33 15 2662400 2200
17107757 vintage_Vlad_Makeev G April 1, 2016, 5:04 p.m. OK Delphi TESTS 33 15 2662400 2200
17150810 Ne0n G April 3, 2016, 8:59 p.m. OK Delphi TESTS 33 15 2764800 2200
17109635 Nick_Brain G April 1, 2016, 5:15 p.m. OK Delphi TESTS 33 31 2662400 2200
17119505 Z-Saber G April 1, 2016, 9:03 p.m. OK FPC TESTS 33 15 1638400 2200
17118039 wa1tz719 G April 1, 2016, 7:06 p.m. OK FPC TESTS 33 15 1638400 2200
17115506 AlexBystrov G April 1, 2016, 5:52 p.m. OK FPC TESTS 33 15 1638400 2200
17113044 San_Sany4 G April 1, 2016, 5:36 p.m. OK FPC TESTS 33 15 1638400 2200
17108216 LLI_E_P_JI_O_K G April 1, 2016, 5:07 p.m. OK FPC TESTS 33 15 1638400 2200
28322200 s7d8 G July 6, 2017, 9:23 a.m. OK FPC TESTS 33 15 1740800 2200
25722613 nikich340 G March 22, 2017, 9:47 p.m. OK FPC TESTS 33 15 1740800 2200
23888288 xsc G Jan. 16, 2017, 6:19 p.m. OK FPC TESTS 33 15 1740800 2200
17142191 KonstantinC ACMonster G April 3, 2016, 8:27 a.m. OK FPC TESTS 33 15 1740800 2200
17121035 alex20030190 G April 2, 2016, 12:40 a.m. OK FPC TESTS 33 15 1740800 2200
17108476 Heisenbug G April 1, 2016, 5:08 p.m. OK GNU C TESTS 33 15 2048000 2200
19047026 lucyanna2018 G July 12, 2016, 9:02 a.m. OK GNU C TESTS 33 30 0 2200
17114808 Aemon G April 1, 2016, 5:48 p.m. OK GNU C TESTS 33 30 1843200 2200
17115600 jebwizoscar G April 1, 2016, 5:53 p.m. OK GNU C TESTS 33 30 2048000 2200
17118476 nitegazer G April 1, 2016, 7:35 p.m. OK GNU C TESTS 33 31 1843200 2200
17111141 alexey.shchepin G April 1, 2016, 5:24 p.m. OK GNU C TESTS 33 31 1843200 2200
17128817 fange121 G April 2, 2016, 11:17 a.m. OK GNU C++ TESTS 33 15 1843200 2200
17126586 InsomniA3278 G April 2, 2016, 8:42 a.m. OK GNU C++ TESTS 33 15 1843200 2200
23519800 Trasier G Jan. 3, 2017, 3:59 p.m. OK GNU C++ TESTS 33 15 2048000 2200
17154628 graceoflives G April 4, 2016, 7:55 a.m. OK GNU C++ TESTS 33 15 2048000 2200
17118777 Daniar G April 1, 2016, 7:59 p.m. OK GNU C++ TESTS 33 15 2048000 2200
28258886 raxu G July 3, 2017, 3:01 p.m. OK GNU C++ TESTS 33 15 2150400 2200
17114463 Loner0822 G April 1, 2016, 5:46 p.m. OK GNU C++ TESTS 33 15 2150400 2200
17187949 Nugusha G April 6, 2016, 2:04 p.m. OK GNU C++ TESTS 33 15 2252800 2200
17178617 JohnnyHash G April 5, 2016, 10:36 p.m. OK GNU C++ TESTS 33 15 2252800 2200
17150999 Kareem_Mohamed G April 3, 2016, 9:23 p.m. OK GNU C++ TESTS 33 15 2252800 2200
18659581 Deemo G June 23, 2016, 8:13 a.m. OK GNU C++11 TESTS 33 15 0 2200
17292372 the_timur G April 12, 2016, 4:19 p.m. OK GNU C++11 TESTS 33 15 0 2200
25962300 maksimbark G March 30, 2017, 7:20 p.m. OK GNU C++11 TESTS 33 15 2048000 2200
25958728 thainguyenhung G March 30, 2017, 4:40 p.m. OK GNU C++11 TESTS 33 15 2048000 2200
17167026 ukoHKa G April 5, 2016, 6:57 a.m. OK GNU C++11 TESTS 33 15 2048000 2200
17152904 zxcasqe G April 4, 2016, 3:51 a.m. OK GNU C++11 TESTS 33 15 2048000 2200
17130309 sd0061 G April 2, 2016, 12:53 p.m. OK GNU C++11 TESTS 33 15 2048000 2200
17126826 Jakube G April 2, 2016, 8:58 a.m. OK GNU C++11 TESTS 33 15 2048000 2200
17119000 Valdemar G April 1, 2016, 8:16 p.m. OK GNU C++11 TESTS 33 15 2048000 2200
17118635 zlobber G April 1, 2016, 7:49 p.m. OK GNU C++11 TESTS 33 15 2048000 2200
38578639 Spiritum G May 24, 2018, 6:51 a.m. OK GNU C++14 TESTS 33 15 0 2200
21889458 SirNickolas G Oct. 30, 2016, 9:16 a.m. OK GNU C++14 TESTS 33 15 0 2200
20773638 fqw G Sept. 20, 2016, 11:10 a.m. OK GNU C++14 TESTS 33 15 0 2200
26119942 0w1 G April 4, 2017, 11:06 a.m. OK GNU C++14 TESTS 33 15 1945600 2200
25958201 BiIIy G March 30, 2017, 4:19 p.m. OK GNU C++14 TESTS 33 15 1945600 2200
23458304 Ali.Pi G Dec. 30, 2016, 9:26 p.m. OK GNU C++14 TESTS 33 15 1945600 2200
23489290 FallenTurret G Jan. 1, 2017, 7:38 p.m. OK GNU C++14 TESTS 33 15 5939200 2200
34236224 balalaika G Jan. 16, 2018, 11:15 p.m. OK GNU C++14 TESTS 33 30 1945600 2200
67647143 niganiga G Dec. 26, 2019, 10:38 a.m. OK GNU C++17 TESTS 33 31 0 2200
67051618 tuwuna G Dec. 17, 2019, 4:28 a.m. OK GNU C++17 TESTS 33 31 0 2200
51797316 HNO2 G March 24, 2019, 3:54 p.m. OK GNU C++17 TESTS 33 31 0 2200
36743241 TMC G March 30, 2018, 10:08 a.m. OK GNU C++17 TESTS 33 31 3379200 2200
17222809 AlexIlin G April 8, 2016, 7:21 a.m. OK Go TESTS 33 15 5734400 2200
17114945 wistful23 G April 1, 2016, 5:49 p.m. OK Go TESTS 33 15 5939200 2200
17113401 halyavin G April 1, 2016, 5:39 p.m. OK Go TESTS 33 15 5939200 2200
17113860 NeKpoT G April 1, 2016, 5:42 p.m. OK Go TESTS 33 15 6041600 2200
17125006 ufoundashish G April 2, 2016, 7:15 a.m. OK Haskell TESTS 33 15 44953600 2200
17119896 -Wave- G April 1, 2016, 9:37 p.m. OK Haskell TESTS 33 15 44953600 2200
17118196 _h_ G April 1, 2016, 7:15 p.m. OK Haskell TESTS 33 15 44953600 2200
17116479 nhho G April 1, 2016, 5:58 p.m. OK Haskell TESTS 33 15 53248000 2200
17107663 slycelote G April 1, 2016, 5:04 p.m. OK Haskell TESTS 33 15 53248000 2200
64599881 TankEngineer G Nov. 9, 2019, 6:15 p.m. OK Java 11 TESTS 33 202 0 2200
17112424 Arthur G April 1, 2016, 5:32 p.m. OK Java 7 TESTS 33 109 38502400 2200
17994332 DXHPeter G May 19, 2016, 4:28 p.m. OK Java 7 TESTS 33 109 38912000 2200
17116295 LuaXD G April 1, 2016, 5:56 p.m. OK Java 7 TESTS 33 109 38912000 2200
17158906 krijgertje G April 4, 2016, 2:10 p.m. OK Java 7 TESTS 33 124 38809600 2200
17113482 snowy_smile G April 1, 2016, 5:39 p.m. OK Java 7 TESTS 33 124 38809600 2200
17993882 newbiek92 G May 19, 2016, 3:55 p.m. OK Java 7 TESTS 33 124 38912000 2200
17115284 Nero G April 1, 2016, 5:51 p.m. OK Java 7 TESTS 33 124 38912000 2200
17110961 Badalyan_Shavarsh G April 1, 2016, 5:23 p.m. OK Java 7 TESTS 33 124 38912000 2200
17995151 simekad1 G May 19, 2016, 5:21 p.m. OK Java 7 TESTS 33 124 39014400 2200
17163963 RG1999 G April 4, 2016, 8:51 p.m. OK Java 7 TESTS 33 124 39014400 2200
17108851 subscriber G April 1, 2016, 5:10 p.m. OK Java 8 TESTS 33 93 25804800 2200
17112277 KoMiI G April 1, 2016, 5:31 p.m. OK Java 8 TESTS 33 93 25907200 2200
17113874 Nyatl G April 1, 2016, 5:42 p.m. OK Java 8 TESTS 33 93 26112000 2200
17112256 KrK G April 1, 2016, 5:31 p.m. OK Java 8 TESTS 33 108 25907200 2200
17114696 RetiredAmrMahmoud G April 1, 2016, 5:47 p.m. OK Java 8 TESTS 33 108 26112000 2200
17162636 Veboy G April 4, 2016, 6:50 p.m. OK Java 8 TESTS 33 108 26214400 2200
17136805 picture123 G April 2, 2016, 8:39 p.m. OK Java 8 TESTS 33 108 26214400 2200
17114479 Ghassan.Khazaal G April 1, 2016, 5:46 p.m. OK Java 8 TESTS 33 108 26214400 2200
20341232 HandsomeHow G Sept. 2, 2016, 1:11 p.m. OK Java 8 TESTS 33 109 3584000 2200
19356434 dakuhosu G July 23, 2016, 5:35 a.m. OK Java 8 TESTS 33 109 3584000 2200
17107813 pps789 G April 1, 2016, 5:05 p.m. OK JavaScript TESTS 33 30 5939200 2200
17103494 The.Fusy G April 1, 2016, 4:40 p.m. OK JavaScript TESTS 33 30 6041600 2200
17177554 Diego1149 G April 5, 2016, 8:04 p.m. OK JavaScript TESTS 33 31 5939200 2200
17100123 Mustang98 G April 1, 2016, 4:22 p.m. OK JavaScript TESTS 33 31 5939200 2200
33665918 Eva G Dec. 27, 2017, 10:06 a.m. OK JavaScript TESTS 33 31 6041600 2200
17118803 tawsif93 G April 1, 2016, 8:01 p.m. OK JavaScript TESTS 33 31 6041600 2200
17114162 dingshu G April 1, 2016, 5:43 p.m. OK JavaScript TESTS 33 31 6041600 2200
17113909 k21 G April 1, 2016, 5:42 p.m. OK JavaScript TESTS 33 31 6041600 2200
17107326 caco3 G April 1, 2016, 5:02 p.m. OK JavaScript TESTS 33 31 6041600 2200
17994914 songman G May 19, 2016, 5:04 p.m. OK JavaScript TESTS 33 31 6144000 2200
69551040 epicxtroll oof_ouch_owie Intrincantation G Jan. 26, 2020, 6:27 a.m. OK Kotlin TESTS 33 109 5632000 2200
60765446 lijinpei G Sept. 18, 2019, 10:46 a.m. OK Mono C# TESTS 33 46 0 2200
17104622 franekmat G April 1, 2016, 4:46 p.m. OK Mono C# TESTS 33 62 9011200 2200
17113970 shanin G April 1, 2016, 5:42 p.m. OK Mono C# TESTS 33 62 9113600 2200
17100790 zhabo G April 1, 2016, 4:26 p.m. OK Mono C# TESTS 33 62 9113600 2200
17125968 Cuellius G April 2, 2016, 8:07 a.m. OK MS C# TESTS 33 61 9113600 2200
17135163 jwozniak G April 2, 2016, 6:01 p.m. OK MS C# TESTS 33 61 9216000 2200
20284180 Egor_Gornak G Aug. 30, 2016, 4:01 p.m. OK MS C# TESTS 33 62 2457600 2200
17115228 NirShalmon G April 1, 2016, 5:50 p.m. OK MS C# TESTS 33 62 9113600 2200
17118232 AwIDoK G April 1, 2016, 7:17 p.m. OK MS C# TESTS 33 62 11366400 2200
17103226 Musin G April 1, 2016, 4:39 p.m. OK MS C# TESTS 33 62 11468800 2200
24706756 lolzano G Feb. 15, 2017, 11:26 p.m. OK MS C# TESTS 33 108 11468800 2200
17121822 shangtai G April 2, 2016, 2:57 a.m. OK MS C++ TESTS 33 15 2048000 2200
17113906 FruitReaper G April 1, 2016, 5:42 p.m. OK MS C++ TESTS 33 15 2150400 2200
17117835 waltz7I9 G April 1, 2016, 6:56 p.m. OK MS C++ TESTS 33 15 2252800 2200
27197135 georgerapeanu G May 18, 2017, 1:06 p.m. OK Perl TESTS 33 31 0 2200
17112668 climpet G April 1, 2016, 5:34 p.m. OK Perl TESTS 33 31 2252800 2200
17116164 Zilch G April 1, 2016, 5:56 p.m. OK PHP TESTS 33 31 4812800 2200
17115396 KDE G April 1, 2016, 5:51 p.m. OK PHP TESTS 33 31 4812800 2200
17114591 microtony G April 1, 2016, 5:46 p.m. OK PHP TESTS 33 31 4812800 2200
17146334 Raoof G April 3, 2016, 2:17 p.m. OK PHP TESTS 33 31 4812800 2200
17193045 Arpa G April 6, 2016, 5:51 p.m. OK PHP TESTS 33 31 4812800 2200
17994234 Tyg3R G May 19, 2016, 4:22 p.m. OK PHP TESTS 33 31 4915200 2200
23546902 wangyenjen G Jan. 5, 2017, 3:02 a.m. OK PHP TESTS 33 31 6041600 2200
17414822 Flycode G April 21, 2016, 5:48 a.m. OK PHP TESTS 33 46 4915200 2200
17118387 Hide.on.bush G April 1, 2016, 7:29 p.m. OK PyPy 2 TESTS 33 77 22425600 2200
17159875 Noureldin G April 4, 2016, 3:14 p.m. OK PyPy 2 TESTS 33 77 22630400 2200
17115129 tomasf G April 1, 2016, 5:50 p.m. OK PyPy 2 TESTS 33 77 22630400 2200
17131132 hellman_ G April 2, 2016, 1:46 p.m. OK PyPy 2 TESTS 33 155 22630400 2200
37178167 SpeedOfMagic G April 10, 2018, 6:08 p.m. OK PyPy 3 TESTS 33 93 21401600 2200
17110540 eddy1021 G April 1, 2016, 5:21 p.m. OK PyPy 3 TESTS 33 108 23244800 2200
33371362 Jeffrey G Dec. 18, 2017, 7:34 a.m. OK PyPy 3 TESTS 33 109 23142400 2200
17107087 operasfantom G April 1, 2016, 5 p.m. OK PyPy 3 TESTS 33 109 23244800 2200
17130570 adamant G April 2, 2016, 1:08 p.m. OK PyPy 3 TESTS 33 124 23244800 2200
51787455 ToMmyDong G March 24, 2019, 11:18 a.m. OK PyPy 3 TESTS 33 139 0 2200
17314063 pr3pony G April 14, 2016, 12:23 p.m. OK PyPy 3 TESTS 33 140 0 2200
60937931 NMFF0B0H G Sept. 20, 2019, 4:01 p.m. OK PyPy 3 TESTS 33 171 0 2200
17314069 pr3pony G April 14, 2016, 12:23 p.m. OK PyPy 3 TESTS 33 248 0 2200
27725679 fenixFeliciss G June 11, 2017, 6:27 p.m. OK Python 2 TESTS 33 46 0 2200
17106815 windsfantasy6 G April 1, 2016, 4:59 p.m. OK Python 2 TESTS 33 46 4608000 2200
17137002 dgrmsh G April 2, 2016, 9:05 p.m. OK Python 2 TESTS 33 46 4710400 2200
17120811 pacu G April 1, 2016, 11:49 p.m. OK Python 2 TESTS 33 46 4710400 2200
17114922 Sumeet.Varma G April 1, 2016, 5:48 p.m. OK Python 2 TESTS 33 46 4710400 2200
17112046 rodrigozhou G April 1, 2016, 5:30 p.m. OK Python 2 TESTS 33 46 4710400 2200
17108089 Reskip G April 1, 2016, 5:06 p.m. OK Python 2 TESTS 33 46 4710400 2200
17106618 ballon G April 1, 2016, 4:58 p.m. OK Python 2 TESTS 33 46 4710400 2200
17104502 NegaTeeF G April 1, 2016, 4:45 p.m. OK Python 2 TESTS 33 46 4710400 2200
17102929 Furko G April 1, 2016, 4:37 p.m. OK Python 2 TESTS 33 46 4710400 2200
17110626 hjx1212 G April 1, 2016, 5:21 p.m. OK Python 3 TESTS 33 61 4608000 2200
17124104 pwliao G April 2, 2016, 6:28 a.m. OK Python 3 TESTS 33 61 5120000 2200
17116240 unprost G April 1, 2016, 5:56 p.m. OK Python 3 TESTS 33 61 5120000 2200
17115830 Wild_Hamster G April 1, 2016, 5:54 p.m. OK Python 3 TESTS 33 61 5120000 2200
17115386 olderor G April 1, 2016, 5:51 p.m. OK Python 3 TESTS 33 61 5120000 2200
17114237 blowUpTheStonySilence G April 1, 2016, 5:44 p.m. OK Python 3 TESTS 33 61 5120000 2200
17111849 Sert G April 1, 2016, 5:29 p.m. OK Python 3 TESTS 33 61 5120000 2200
17111846 Starcall G April 1, 2016, 5:29 p.m. OK Python 3 TESTS 33 61 5120000 2200
31998501 Stronger2020 G Nov. 3, 2017, 6:31 a.m. OK Python 3 TESTS 33 62 0 2200
29996548 barakraganosungam G Sept. 1, 2017, 8:01 p.m. OK Python 3 TESTS 33 62 0 2200
17325314 Reayz G April 15, 2016, 11:07 a.m. OK Ruby TESTS 33 61 0 2200
17230684 Shik G April 8, 2016, 2:03 p.m. OK Ruby TESTS 33 62 6451200 2200
17111977 kaTkaHr G April 1, 2016, 5:30 p.m. OK Ruby TESTS 33 62 6451200 2200
17108373 Antoniuk G April 1, 2016, 5:08 p.m. OK Ruby TESTS 33 62 6451200 2200
17145007 ToNer G April 3, 2016, 12:40 p.m. OK Ruby TESTS 33 62 6553600 2200
17120360 sept-g1 G April 1, 2016, 10:32 p.m. OK Ruby TESTS 33 62 6553600 2200
17118378 Hide.on.bush G April 1, 2016, 7:29 p.m. OK Ruby TESTS 33 62 6553600 2200
17114752 sampriti G April 1, 2016, 5:47 p.m. OK Ruby TESTS 33 62 6553600 2200
17113472 SakurakoujiRuna G April 1, 2016, 5:39 p.m. OK Ruby TESTS 33 62 6553600 2200
17107684 sugim48 G April 1, 2016, 5:04 p.m. OK Ruby TESTS 33 62 6656000 2200
17104809 antonkov G April 1, 2016, 4:47 p.m. OK Scala TESTS 33 249 39321600 2200

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