Codeforces Round 812 (Div. 2)

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ContestId
Name
Phase
Frozen
Duration (Seconds)
Relative Time
Start Time
1713 Codeforces Round 812 (Div. 2) FINISHED False 7200 72026699 Aug. 6, 2022, 2:35 p.m.

Problems

Solved$
Index
Name
Type
Tags
Community Tag
Rating
( 21400 ) B Optimal Reduction PROGRAMMING constructive algorithms sortings 1000

B'Consider an array a of n positive integers. You may perform the following operation: Let 's call f(a) the minimum number of operations needed to change array a into an array of n zeros. Determine if for all permutations ^ dagger b of a , f(a) <= q f(b) is true. ^ dagger An array b is a permutation of an array a if b consists of the elements of a in arbitrary order. For example, [4,2,3,4] is a permutation of [3,2,4,4] while [1,2,2] is not a permutation of [1,2,3] . The first line contains a single integer t ( 1 <= q t <= q 10^4 ) -- the number of test cases. The first line of each test case contains a single integer n ( 1 <= q n <= q 10^5 ) -- the length of the array a . The second line contains n integers a_1, a_2, ... , a_n ( 1 <= a_i <= 10^9 ) -- description of the array a . It is guaranteed that the sum of n over all test cases does not exceed 10^5 . For each test case, print "YES" (without quotes) if for all permutations b of a , f(a) <= q f(b) is true, and "NO" (without quotes) otherwise. You can output "YES" and "NO" in any case (for example, strings "yEs", "yes" and "Yes" will be recognized as a positive response). In the first test case, we can change all elements to 0 in 5 operations. It can be shown that no permutation of [2, 3, 5, 4] requires less than 5 operations to change all elements to 0 . In the third test case, we need 5 operations to change all elements to 0 , while [2, 3, 3, 1] only needs 3 operations. '...

Tutorials

Codeforces Round #812 (Div. 2) Editorial

Submissions

Submission Id
Author(s)
Index
Submitted
Verdict
Language
Test Set
Tests Passed
Time taken (ms)
Memory Consumed (bytes)
Tags
Rating
167348690 LeonGymretzka B Aug. 7, 2022, 4:39 a.m. OK GNU C11 TESTS 19 46 0 1000
167344388 YiLinG B Aug. 7, 2022, 3:25 a.m. OK GNU C11 TESTS 18 46 819200 1000
167344365 YiLinG B Aug. 7, 2022, 3:24 a.m. OK GNU C11 TESTS 18 62 819200 1000
167304547 shakhawat2277 B Aug. 6, 2022, 4:34 p.m. OK GNU C11 TESTS 18 78 409600 1000
167301779 aanjaimi B Aug. 6, 2022, 4:30 p.m. OK GNU C11 TESTS 18 93 819200 1000
167333045 CuiZhenhang B Aug. 6, 2022, 11:10 p.m. OK GNU C++14 TESTS 18 30 1024000 1000
167299477 Minhazur B Aug. 6, 2022, 4:25 p.m. OK GNU C++14 TESTS 18 31 0 1000
167339204 1761177247 B Aug. 7, 2022, 1:53 a.m. OK GNU C++14 TESTS 18 31 0 1000
167335921 LUKI B Aug. 7, 2022, 12:32 a.m. OK GNU C++14 TESTS 18 31 409600 1000
167328482 _ncm_ B Aug. 6, 2022, 9:22 p.m. OK GNU C++14 TESTS 18 31 409600 1000
167336913 qdhys B Aug. 7, 2022, 12:59 a.m. OK GNU C++14 TESTS 18 31 409600 1000
167337501 shenkaihang B Aug. 7, 2022, 1:14 a.m. OK GNU C++14 TESTS 18 31 409600 1000
167339595 ansrl B Aug. 7, 2022, 2:01 a.m. OK GNU C++14 TESTS 18 31 409600 1000
167346729 lixuanta B Aug. 7, 2022, 4:05 a.m. OK GNU C++14 TESTS 18 31 409600 1000
167336738 tuxuanming2024 B Aug. 7, 2022, 12:54 a.m. OK GNU C++14 TESTS 18 31 409600 1000
167322704 AgHuang B Aug. 6, 2022, 7:56 p.m. OK GNU C++17 TESTS 18 31 0 1000
167342184 RandomLB B Aug. 7, 2022, 2:49 a.m. OK GNU C++17 TESTS 18 31 0 1000
167343196 HusseinSaad B Aug. 7, 2022, 3:06 a.m. OK GNU C++17 TESTS 18 31 409600 1000
167337976 abdallah_moemen B Aug. 7, 2022, 1:25 a.m. OK GNU C++17 TESTS 18 31 409600 1000
167332627 Al-Sadi B Aug. 6, 2022, 10:58 p.m. OK GNU C++17 TESTS 18 31 409600 1000
167346770 himanshu_0502 B Aug. 7, 2022, 4:06 a.m. OK GNU C++17 TESTS 18 31 409600 1000
167343976 darkcodercb12 B Aug. 7, 2022, 3:18 a.m. OK GNU C++17 TESTS 18 31 409600 1000
167350198 CoDeveRse_07 B Aug. 7, 2022, 5:02 a.m. OK GNU C++17 TESTS 19 31 409600 1000
167349320 TsReaper B Aug. 7, 2022, 4:49 a.m. OK GNU C++17 TESTS 19 31 409600 1000
167349068 Pepinni_07 B Aug. 7, 2022, 4:45 a.m. OK GNU C++17 TESTS 19 31 409600 1000
167312076 arnab8002 B Aug. 6, 2022, 6:19 p.m. OK GNU C++17 (64) TESTS 18 15 819200 1000
167350828 -wicton- B Aug. 7, 2022, 5:10 a.m. OK GNU C++17 (64) TESTS 19 15 1228800 1000
167323765 noob_26 B Aug. 6, 2022, 8:09 p.m. OK GNU C++17 (64) TESTS 18 15 2969600 1000
167330723 hustler_123 B Aug. 6, 2022, 10:08 p.m. OK GNU C++17 (64) TESTS 18 30 409600 1000
167312710 BalaluevEgor B Aug. 6, 2022, 6:21 p.m. OK GNU C++17 (64) TESTS 18 30 409600 1000
167319166 hara_1999 B Aug. 6, 2022, 7:16 p.m. OK GNU C++17 (64) TESTS 18 30 409600 1000
167330743 neo_37 B Aug. 6, 2022, 10:09 p.m. OK GNU C++17 (64) TESTS 18 30 409600 1000
167328242 urbanmyth B Aug. 6, 2022, 9:17 p.m. OK GNU C++17 (64) TESTS 18 30 2457600 1000
167313066 BigSecret B Aug. 6, 2022, 6:24 p.m. OK GNU C++17 (64) TESTS 18 30 17510400 1000
167354622 er007 B Aug. 7, 2022, 5:57 a.m. OK GNU C++17 (64) TESTS 19 31 409600 1000
167317613 ARSHKHAN98 B Aug. 6, 2022, 7 p.m. OK GNU C++20 (64) TESTS 18 15 409600 1000
167312305 tasker342 B Aug. 6, 2022, 6:20 p.m. OK GNU C++20 (64) TESTS 18 15 409600 1000
167303750 zxc_ivan B Aug. 6, 2022, 4:33 p.m. OK GNU C++20 (64) TESTS 18 15 409600 1000
167302659 Divyanshi66 B Aug. 6, 2022, 4:31 p.m. OK GNU C++20 (64) TESTS 18 15 409600 1000
167318358 im_veer29 B Aug. 6, 2022, 7:08 p.m. OK GNU C++20 (64) TESTS 18 15 409600 1000
167323265 loser707 B Aug. 6, 2022, 8:03 p.m. OK GNU C++20 (64) TESTS 18 15 409600 1000
167323345 AbdAlrahman_Emad B Aug. 6, 2022, 8:04 p.m. OK GNU C++20 (64) TESTS 18 15 409600 1000
167341589 Nakamiya B Aug. 7, 2022, 2:37 a.m. OK GNU C++20 (64) TESTS 18 15 409600 1000
167347709 ABDULLAH_AL_MAHMUD_ARAF B Aug. 7, 2022, 4:23 a.m. OK GNU C++20 (64) TESTS 19 15 409600 1000
167300264 baby._.shadow B Aug. 6, 2022, 4:27 p.m. OK GNU C++20 (64) TESTS 18 15 409600 1000
167332090 satyaa_78 B Aug. 6, 2022, 10:43 p.m. OK Java 11 TESTS 18 155 0 1000
167321272 VicG B Aug. 6, 2022, 7:38 p.m. OK Java 11 TESTS 18 186 0 1000
167353605 __Serendipity B Aug. 7, 2022, 5:45 a.m. OK Java 11 TESTS 19 187 0 1000
167325391 BucketOfNubbins B Aug. 6, 2022, 8:31 p.m. OK Java 11 TESTS 18 187 2764800 1000
167322133 veerabhadra B Aug. 6, 2022, 7:49 p.m. OK Java 11 TESTS 18 202 0 1000
167312403 x21svage B Aug. 6, 2022, 6:20 p.m. OK Java 11 TESTS 18 233 0 1000
167346747 amitmandal B Aug. 7, 2022, 4:05 a.m. OK Java 11 TESTS 18 249 0 1000
167330722 kyaruru B Aug. 6, 2022, 10:08 p.m. OK Java 11 TESTS 18 249 2764800 1000
167332960 djrfrn B Aug. 6, 2022, 11:07 p.m. OK Java 11 TESTS 18 264 0 1000
167312381 gurkaran_s B Aug. 6, 2022, 6:20 p.m. OK Java 11 TESTS 18 264 0 1000
167331316 _Astron B Aug. 6, 2022, 10:22 p.m. OK Java 17 TESTS 18 187 716800 1000
167324219 CrinklyGolem B Aug. 6, 2022, 8:15 p.m. OK Java 17 TESTS 18 218 614400 1000
167314593 harman1148 B Aug. 6, 2022, 6:33 p.m. OK Java 17 TESTS 18 249 4096000 1000
167300585 matzhao B Aug. 6, 2022, 4:27 p.m. OK Java 17 TESTS 18 265 102400 1000
167327166 Solqr B Aug. 6, 2022, 8:58 p.m. OK Java 17 TESTS 18 280 6348800 1000
167302694 idk_123 B Aug. 6, 2022, 4:31 p.m. OK Java 17 TESTS 18 312 614400 1000
167323699 Solqr B Aug. 6, 2022, 8:08 p.m. OK Java 17 TESTS 18 326 4608000 1000
167326356 Solqr B Aug. 6, 2022, 8:45 p.m. OK Java 17 TESTS 18 342 5632000 1000
167319520 bhavesh1914 B Aug. 6, 2022, 7:20 p.m. OK Java 17 TESTS 18 389 614400 1000
167313876 AdityaGupta19 B Aug. 6, 2022, 6:29 p.m. OK Java 17 TESTS 18 389 614400 1000
167321403 Kritika717 B Aug. 6, 2022, 7:40 p.m. OK Java 8 TESTS 18 109 1843200 1000
167323080 T_PAVAN_NAGARAJU B Aug. 6, 2022, 8:01 p.m. OK Java 8 TESTS 18 124 0 1000
167335712 ahmedtawfik B Aug. 7, 2022, 12:26 a.m. OK Java 8 TESTS 18 124 1843200 1000
167316369 jashwanth200117 B Aug. 6, 2022, 6:48 p.m. OK Java 8 TESTS 18 139 1843200 1000
167353282 swaggy_baba B Aug. 7, 2022, 5:41 a.m. OK Java 8 TESTS 19 139 7475200 1000
167347669 athu18 B Aug. 7, 2022, 4:22 a.m. OK Java 8 TESTS 19 140 0 1000
167334667 Mustafa__ B Aug. 6, 2022, 11:57 p.m. OK Java 8 TESTS 18 155 1843200 1000
167319587 _kritika_17 B Aug. 6, 2022, 7:20 p.m. OK Java 8 TESTS 18 155 1843200 1000
167319209 Mohamed_A7med B Aug. 6, 2022, 7:16 p.m. OK Java 8 TESTS 18 155 1843200 1000
167319420 _kritika_17 B Aug. 6, 2022, 7:19 p.m. OK Java 8 TESTS 18 171 1843200 1000
167316681 MikeInferno B Aug. 6, 2022, 6:51 p.m. OK Kotlin 1.6 TESTS 18 342 5632000 1000
167330240 khrystyna_dol B Aug. 6, 2022, 9:56 p.m. OK MS C++ 2017 TESTS 18 109 819200 1000
167338856 thoanhkhoa2702 B Aug. 7, 2022, 1:45 a.m. OK MS C++ 2017 TESTS 18 139 409600 1000
167311523 Nosov_Vovanus2022 B Aug. 6, 2022, 6:17 p.m. OK MS C++ 2017 TESTS 18 140 819200 1000
167346931 Crimson_Quasar B Aug. 7, 2022, 4:09 a.m. OK MS C++ 2017 TESTS 18 155 614400 1000
167319096 rsFalse B Aug. 6, 2022, 7:15 p.m. OK Perl TESTS 18 171 3072000 1000
167334777 WalrusRamen21 B Aug. 7, 2022, midnight OK PHP TESTS 18 61 20992000 1000
167324549 1_2_3_4_5_9 B Aug. 6, 2022, 8:20 p.m. OK PyPy 2 TESTS 18 264 14643200 1000
167315650 bobxiong88 B Aug. 6, 2022, 6:42 p.m. OK PyPy 3 TESTS 18 217 11776000 1000
167315776 Prakul_Agrawal B Aug. 6, 2022, 6:43 p.m. OK PyPy 3 TESTS 18 405 10956800 1000
167321187 paxaq B Aug. 6, 2022, 7:38 p.m. OK PyPy 3 TESTS 18 405 11264000 1000
167347300 MohammadsadraSedighin B Aug. 7, 2022, 4:16 a.m. OK PyPy 3 TESTS 18 420 10956800 1000
167300908 satwikum B Aug. 6, 2022, 4:28 p.m. OK PyPy 3 TESTS 18 498 12083200 1000
167314518 shriom533 B Aug. 6, 2022, 6:33 p.m. OK PyPy 3 TESTS 18 561 10956800 1000
167318161 Abdelrahim303 B Aug. 6, 2022, 7:06 p.m. OK PyPy 3 TESTS 18 716 10956800 1000
167317192 MistaAsh B Aug. 6, 2022, 6:57 p.m. OK PyPy 3-64 TESTS 18 109 13414400 1000
167340553 staycurious B Aug. 7, 2022, 2:18 a.m. OK PyPy 3-64 TESTS 18 124 13619200 1000
167339109 blue_ice_yj B Aug. 7, 2022, 1:51 a.m. OK PyPy 3-64 TESTS 18 140 19456000 1000
167341960 Youarenotgood B Aug. 7, 2022, 2:45 a.m. OK PyPy 3-64 TESTS 18 155 13414400 1000
167323952 SangeetaSingh B Aug. 6, 2022, 8:11 p.m. OK PyPy 3-64 TESTS 18 155 14745600 1000
167332168 TheViking733n B Aug. 6, 2022, 10:46 p.m. OK PyPy 3-64 TESTS 18 155 17305600 1000
167322172 sangram03 B Aug. 6, 2022, 7:49 p.m. OK PyPy 3-64 TESTS 18 171 17817600 1000
167315052 Aksnov B Aug. 6, 2022, 6:37 p.m. OK PyPy 3-64 TESTS 18 186 14028800 1000
167354313 kwin B Aug. 7, 2022, 5:53 a.m. OK PyPy 3-64 TESTS 19 186 14131200 1000
167313492 gesuta B Aug. 6, 2022, 6:26 p.m. OK PyPy 3-64 TESTS 18 249 15052800 1000
167303254 OGgyR B Aug. 6, 2022, 4:32 p.m. OK Python 3 TESTS 18 124 9318400 1000
167350852 bissenbay B Aug. 7, 2022, 5:11 a.m. OK Python 3 TESTS 19 140 8806400 1000
167327232 Dalimnassar B Aug. 6, 2022, 8:59 p.m. OK Python 3 TESTS 18 170 9216000 1000
167338294 SJOKER B Aug. 7, 2022, 1:32 a.m. OK Python 3 TESTS 18 171 8806400 1000
167317671 r9RLx B Aug. 6, 2022, 7:01 p.m. OK Python 3 TESTS 18 186 8806400 1000
167322037 defaultdance B Aug. 6, 2022, 7:48 p.m. OK Python 3 TESTS 18 187 7065600 1000
167346460 Naman_nirwan113 B Aug. 7, 2022, 4 a.m. OK Python 3 TESTS 18 187 8806400 1000
167341089 joi_ B Aug. 7, 2022, 2:28 a.m. OK Python 3 TESTS 18 187 8806400 1000
167329496 Alive_but_not_living B Aug. 6, 2022, 9:41 p.m. OK Python 3 TESTS 18 187 8806400 1000
167324418 asdevdinesh786 B Aug. 6, 2022, 8:18 p.m. OK Python 3 TESTS 18 187 9113600 1000
167336296 utkarsh B Aug. 7, 2022, 12:42 a.m. OK Ruby 3 TESTS 18 343 8294400 1000
167318781 tngyl B Aug. 6, 2022, 7:12 p.m. OK Rust 2021 TESTS 18 109 409600 1000
167338507 MvKaio B Aug. 7, 2022, 1:37 a.m. OK Rust 2021 TESTS 18 124 8806400 1000

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