Educational Codeforces Round 154 (Rated for Div. 2)

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ContestId
Name
Phase
Frozen
Duration (Seconds)
Relative Time
Start Time
1861 Educational Codeforces Round 154 (Rated for Div. 2) FINISHED False 7200 82913123 Aug. 31, 2023, 2:35 p.m.

Problems

Solved
Index
Name
Type
Tags
Community Tag
Rating
( 25897 ) A Prime Deletion PROGRAMMING constructive algorithms implementation

A prime number is a positive integer that has exactly two different positive divisors: 1 and the integer itself. For example, 2 , 3 , 13 and 101 are prime numbers; 1 , 4 , 6 and 42 are not. You are given a sequence of digits from 1 to 9 , in which every digit from 1 to 9 appears exactly once. You are allowed to do the following operation several (maybe zero) times: choose any digit from the sequence and delete it. However, you cannot perform this operation if the sequence consists of only two digits. Your goal is to obtain a sequence which represents a prime number. Note that you cannot reorder the digits in the sequence. Print the resulting sequence, or report that it is impossible to perform the operations so that the resulting sequence is a prime number. The first line contains one integer t ( 1 <= t <= 5000 ) -- the number of test cases. Each test case consists of one line containing a string of 9 digits (without any characters between them). Each digit from 1 to 9 appears in this string exactly once. For each test case, print the answer on a separate line as follows:

Tutorials

Educational Codeforces Round 154 Editorial

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
221375079 Kramarenko-Mi A Aug. 31, 2023, 7:12 p.m. OK C# 10 TESTS 29 77 102400
221375505 Kramarenko-Mi A Aug. 31, 2023, 7:17 p.m. OK C# 10 TESTS 29 77 307200
221384876 bluemegane A Aug. 31, 2023, 9:51 p.m. OK C# 8 TESTS 29 155 614400
221395145 phungthienphuoc A Sept. 1, 2023, 2:17 a.m. OK FPC TESTS 29 31 102400
221368781 chicken_65 A Aug. 31, 2023, 6:05 p.m. OK GNU C11 TESTS 29 31 0
221384683 shark1992 A Aug. 31, 2023, 9:47 p.m. OK GNU C11 TESTS 29 31 0
221383619 4xel A Aug. 31, 2023, 9:25 p.m. OK GNU C11 TESTS 29 46 0
221385750 c0derro A Aug. 31, 2023, 10:10 p.m. OK GNU C11 TESTS 29 46 0
221361344 herocharge A Aug. 31, 2023, 5:04 p.m. OK GNU C11 TESTS 29 46 0
221367087 MohaiMinul2002 A Aug. 31, 2023, 5:49 p.m. OK GNU C11 TESTS 29 62 0
221353975 hardik_45.exe A Aug. 31, 2023, 4:33 p.m. OK GNU C11 TESTS 29 62 0
221394503 Hantur A Sept. 1, 2023, 2:03 a.m. OK GNU C11 TESTS 29 62 0
221395859 atmduongdzz A Sept. 1, 2023, 2:30 a.m. OK GNU C++14 TESTS 29 15 0
221393626 ty_lxr A Sept. 1, 2023, 1:43 a.m. OK GNU C++14 TESTS 29 15 0
221391857 Leonador A Sept. 1, 2023, 1:02 a.m. OK GNU C++14 TESTS 29 15 0
221390994 EzuRohit A Sept. 1, 2023, 12:40 a.m. OK GNU C++14 TESTS 29 15 0
221390896 chinvuho A Sept. 1, 2023, 12:38 a.m. OK GNU C++14 TESTS 29 15 0
221390564 Capron A Sept. 1, 2023, 12:30 a.m. OK GNU C++14 TESTS 29 15 0
221407673 llzer A Sept. 1, 2023, 6 a.m. OK GNU C++14 TESTS 29 15 0
221401182 chenyanxi A Sept. 1, 2023, 4:10 a.m. OK GNU C++14 TESTS 29 15 0
221399681 trieuvimely A Sept. 1, 2023, 3:42 a.m. OK GNU C++14 TESTS 29 15 0
221396488 ov_vo A Sept. 1, 2023, 2:44 a.m. OK GNU C++14 TESTS 29 15 0
221402805 ShahriarShakil A Sept. 1, 2023, 4:38 a.m. OK GNU C++17 TESTS 29 15 0
221402641 xbai A Sept. 1, 2023, 4:35 a.m. OK GNU C++17 TESTS 29 15 0
221403625 utkarsh952 A Sept. 1, 2023, 4:51 a.m. OK GNU C++17 TESTS 29 15 0
221403917 blackcoder0212 A Sept. 1, 2023, 4:56 a.m. OK GNU C++17 TESTS 29 15 0
221407083 Ovo_275 A Sept. 1, 2023, 5:52 a.m. OK GNU C++17 TESTS 29 15 0
221407127 ItsAntar A Sept. 1, 2023, 5:53 a.m. OK GNU C++17 TESTS 29 15 0
221403362 Kadakchai A Sept. 1, 2023, 4:47 a.m. OK GNU C++17 TESTS 29 15 0
221403141 Zeus_0790 A Sept. 1, 2023, 4:43 a.m. OK GNU C++17 TESTS 29 15 0
221403079 noob_pro07 A Sept. 1, 2023, 4:42 a.m. OK GNU C++17 TESTS 29 15 0
221402937 JUBHAI A Sept. 1, 2023, 4:40 a.m. OK GNU C++17 TESTS 29 15 0
221390071 Hanx16 A Sept. 1, 2023, 12:17 a.m. OK GNU C++17 (64) TESTS 29 15 0
221407175 susuovo A Sept. 1, 2023, 5:53 a.m. OK GNU C++17 (64) TESTS 29 15 0
221393696 yeshuchen A Sept. 1, 2023, 1:45 a.m. OK GNU C++17 (64) TESTS 29 15 0
221393651 stan23456 A Sept. 1, 2023, 1:44 a.m. OK GNU C++17 (64) TESTS 29 15 0
221393124 Once_I_Liked_AGirl A Sept. 1, 2023, 1:32 a.m. OK GNU C++17 (64) TESTS 29 15 0
221387256 CaDe A Aug. 31, 2023, 10:50 p.m. OK GNU C++17 (64) TESTS 29 15 0
221382717 jahid_hridoy A Aug. 31, 2023, 9:06 p.m. OK GNU C++17 (64) TESTS 29 15 0
221377253 enslaved A Aug. 31, 2023, 7:40 p.m. OK GNU C++17 (64) TESTS 29 15 0
221371629 shubhamgrg1000 A Aug. 31, 2023, 6:33 p.m. OK GNU C++17 (64) TESTS 29 15 0
221367903 A5haf.2A A Aug. 31, 2023, 5:57 p.m. OK GNU C++17 (64) TESTS 29 15 0
221371356 CatastrophicTyrant A Aug. 31, 2023, 6:30 p.m. OK GNU C++20 (64) TESTS 29 0 0
221403907 fantasma A Sept. 1, 2023, 4:56 a.m. OK GNU C++20 (64) TESTS 29 0 0
221407671 saalim24 A Sept. 1, 2023, 6 a.m. OK GNU C++20 (64) TESTS 29 0 0
221407822 Riser5 A Sept. 1, 2023, 6:02 a.m. OK GNU C++20 (64) TESTS 29 0 0
221357630 Dragokj03 A Aug. 31, 2023, 4:43 p.m. OK GNU C++20 (64) TESTS 29 0 0
221364182 wj123_ A Aug. 31, 2023, 5:25 p.m. OK GNU C++20 (64) TESTS 29 0 0
221407552 gagandeep.singh A Sept. 1, 2023, 5:58 a.m. OK GNU C++20 (64) TESTS 29 15 0
221407505 r01234 A Sept. 1, 2023, 5:58 a.m. OK GNU C++20 (64) TESTS 29 15 0
221407606 Ganesh8790 A Sept. 1, 2023, 5:59 a.m. OK GNU C++20 (64) TESTS 29 15 0
221407729 fakeMHM A Sept. 1, 2023, 6:01 a.m. OK GNU C++20 (64) TESTS 29 15 0
221394936 InHng A Sept. 1, 2023, 2:12 a.m. OK Go TESTS 29 46 204800
221396613 InHng A Sept. 1, 2023, 2:46 a.m. OK Go TESTS 29 78 204800
221361420 Pranav_Sharda A Aug. 31, 2023, 5:05 p.m. OK Java 11 TESTS 29 187 0
221401382 aishwarykesarwani A Sept. 1, 2023, 4:14 a.m. OK Java 11 TESTS 29 234 0
221355529 gauravvv2204 A Aug. 31, 2023, 4:34 p.m. OK Java 11 TESTS 29 249 0
221406731 YashKakrecha A Sept. 1, 2023, 5:48 a.m. OK Java 11 TESTS 29 280 102400
221351788 itsRohitGupta A Aug. 31, 2023, 4:29 p.m. OK Java 11 TESTS 29 327 716800
221351370 devisree111 A Aug. 31, 2023, 4:28 p.m. OK Java 11 TESTS 29 327 716800
221352547 RamyaSri_007 A Aug. 31, 2023, 4:30 p.m. OK Java 11 TESTS 29 342 716800
221364295 pabolu_harika A Aug. 31, 2023, 5:26 p.m. OK Java 11 TESTS 29 358 716800
221360050 Haritha_Padala A Aug. 31, 2023, 4:56 p.m. OK Java 11 TESTS 29 358 716800
221357904 suvarna_t A Aug. 31, 2023, 4:44 p.m. OK Java 11 TESTS 29 358 716800
221371869 _ryan18_ A Aug. 31, 2023, 6:36 p.m. OK Java 17 TESTS 29 186 819200
221358992 ahmed.elbakly A Aug. 31, 2023, 4:50 p.m. OK Java 17 TESTS 29 218 819200
221355863 KirantiLoh A Aug. 31, 2023, 4:36 p.m. OK Java 17 TESTS 29 233 819200
221375493 Night_Coder11 A Aug. 31, 2023, 7:17 p.m. OK Java 17 TESTS 29 233 1024000
221376924 Vinesh_01 A Aug. 31, 2023, 7:36 p.m. OK Java 17 TESTS 29 265 1228800
221391675 goalboy A Sept. 1, 2023, 12:58 a.m. OK Java 17 TESTS 29 280 1126400
221377641 Kartikey987 A Aug. 31, 2023, 7:46 p.m. OK Java 17 TESTS 29 280 1126400
221359703 yugam_04 A Aug. 31, 2023, 4:54 p.m. OK Java 17 TESTS 29 280 1126400
221360956 piyushaggarwal20903 A Aug. 31, 2023, 5:02 p.m. OK Java 17 TESTS 29 280 1228800
221403686 Ha_sh-r A Sept. 1, 2023, 4:52 a.m. OK Java 17 TESTS 29 280 1331200
221407792 striver_rad A Sept. 1, 2023, 6:01 a.m. OK Java 8 TESTS 29 109 0
221365117 maneeshnarayan1 A Aug. 31, 2023, 5:32 p.m. OK Java 8 TESTS 29 155 0
221372102 Sumitsingh7 A Aug. 31, 2023, 6:39 p.m. OK Java 8 TESTS 29 171 6348800
221407353 formidablechief_27 A Sept. 1, 2023, 5:56 a.m. OK Java 8 TESTS 29 186 0
221358598 ashwini_b1 A Aug. 31, 2023, 4:48 p.m. OK Java 8 TESTS 29 187 0
221369996 Nancy_Drew A Aug. 31, 2023, 6:16 p.m. OK Java 8 TESTS 29 202 0
221361473 ashwini_b1 A Aug. 31, 2023, 5:05 p.m. OK Java 8 TESTS 29 202 0
221353198 dhatri2004 A Aug. 31, 2023, 4:31 p.m. OK Java 8 TESTS 29 218 0
221351880 Sathvika18 A Aug. 31, 2023, 4:29 p.m. OK Java 8 TESTS 29 218 0
221369128 codechefpurpose2023 A Aug. 31, 2023, 6:08 p.m. OK Java 8 TESTS 29 233 0
221362915 Iseeuinmyd A Aug. 31, 2023, 5:15 p.m. OK MS C++ 2017 TESTS 29 46 0
221359842 Mo-Ehab A Aug. 31, 2023, 4:55 p.m. OK Node.js TESTS 29 109 1331200
221377760 herrungesund A Aug. 31, 2023, 7:46 p.m. OK PyPy 3 TESTS 29 218 5017600
221401724 ezahid1662 A Sept. 1, 2023, 4:20 a.m. OK PyPy 3 TESTS 29 233 7372800
221351908 sheikhd811 A Aug. 31, 2023, 4:29 p.m. OK PyPy 3 TESTS 29 264 6860800
221353534 DeadlyFe A Aug. 31, 2023, 4:32 p.m. OK PyPy 3 TESTS 29 264 7680000
221362511 Yeaish_Turj A Aug. 31, 2023, 5:12 p.m. OK PyPy 3 TESTS 29 420 9625600
221362393 abbccd A Aug. 31, 2023, 5:11 p.m. OK PyPy 3 TESTS 29 420 9625600
221362647 Yeaish_Turj A Aug. 31, 2023, 5:13 p.m. OK PyPy 3 TESTS 29 451 9932800
221392503 blackkarn A Sept. 1, 2023, 1:17 a.m. OK PyPy 3-64 TESTS 29 77 5017600
221374771 randombernie A Aug. 31, 2023, 7:08 p.m. OK PyPy 3-64 TESTS 29 93 3891200
221388497 Taymyr A Aug. 31, 2023, 11:31 p.m. OK PyPy 3-64 TESTS 29 93 4710400
221400822 Shri_874 A Sept. 1, 2023, 4:03 a.m. OK PyPy 3-64 TESTS 29 93 5632000
221386461 gardengnome A Aug. 31, 2023, 10:28 p.m. OK PyPy 3-64 TESTS 29 93 6246400
221360296 shuyangbian A Aug. 31, 2023, 4:57 p.m. OK PyPy 3-64 TESTS 29 93 6963200
221369644 zechri A Aug. 31, 2023, 6:13 p.m. OK PyPy 3-64 TESTS 29 108 5120000
221362111 Tinky1224 A Aug. 31, 2023, 5:09 p.m. OK PyPy 3-64 TESTS 29 109 7168000
221365155 zouyu9631 A Aug. 31, 2023, 5:32 p.m. OK PyPy 3-64 TESTS 29 109 8294400
221360179 flexr A Aug. 31, 2023, 4:57 p.m. OK PyPy 3-64 TESTS 29 140 7884800
221393553 biltharesatyendra A Sept. 1, 2023, 1:41 a.m. OK Python 2 TESTS 29 61 0
221380088 alexpods A Aug. 31, 2023, 8:21 p.m. OK Python 3 TESTS 29 46 0
221380014 alexpods A Aug. 31, 2023, 8:20 p.m. OK Python 3 TESTS 29 46 0
221380341 elistark A Aug. 31, 2023, 8:25 p.m. OK Python 3 TESTS 29 46 204800
221361199 Deecey01 A Aug. 31, 2023, 5:03 p.m. OK Python 3 TESTS 29 46 204800
221389271 eugalt A Aug. 31, 2023, 11:55 p.m. OK Python 3 TESTS 29 46 409600
221380577 eugalt A Aug. 31, 2023, 8:29 p.m. OK Python 3 TESTS 29 46 409600
221380325 alexpods A Aug. 31, 2023, 8:25 p.m. OK Python 3 TESTS 29 62 204800
221379576 alexpods A Aug. 31, 2023, 8:13 p.m. OK Python 3 TESTS 29 62 204800
221366094 ProCoder12 A Aug. 31, 2023, 5:40 p.m. OK Python 3 TESTS 29 62 204800
221360247 AyuAnchor A Aug. 31, 2023, 4:57 p.m. OK Python 3 TESTS 29 62 204800
221362318 MenezesDM A Aug. 31, 2023, 5:11 p.m. OK Rust 2021 TESTS 29 77 0

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