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 |
---|---|---|---|---|---|---|
1866 | COMPFEST 15 - Preliminary Online Mirror (Unrated, ICPC Rules, Teams Preferred) | FINISHED | False | 18000 | 38080499 | Sept. 3, 2023, 12:05 p.m. |
Solved$ |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
---|---|---|---|---|---|---|
( 727 ) | L | Lihmuf Balling | PROGRAMMING | brute force math |
B'After working at a factory (Lihmuf Sorting), Lihmuf wants to play a game with his good friend, Pak Chanek. There are N boxes numbered from 1 to N . The i -th box contains i balls. Pak Chanek and Lihmuf will play a game using those boxes. There will be N turns numbered from 1 to N . On each turn, Pak Chanek chooses one box and takes all balls from that box, then Lihmuf does the same thing for one box he chooses (it is possible that the two chosen boxes are the same). Given an integer M . Before the game begins, Lihmuf must choose an integer K satisfying 1 <= q K <= q M . It is known that on the j -th turn, Pak Chanek will choose the j -th box, while Lihmuf will choose the y -th box, with y=((j x K - 1) bmod N) + 1 . Help Lihmuf choose the correct value of K so that he will get as many balls as possible! If there are more than one possible values of K that result in the maximum total balls, find the minimum such value of K . Keep in mind that each box can be chosen more than once, but after a box is chosen for the first time, the box becomes empty. The only line contains two integers N and M ( 1 <= q N <= q 10^9 ; 1 <= q M <= q 2000 ) -- the number of boxes and the maximum limit for the value of K . An integer representing the value of K that will make Lihmuf get as many balls as possible. If there are more than one possible value of K that result in the maximum total balls, find the minimum such value of K . In the first example, if Lihmuf chooses K=1 , the game will go as follows: In total, Lihmuf gets 0+0+0=0 balls. The maximum total balls that can be earned by Lihmuf is 0 because he can only choose K=1 . Therefore, K=1 is the minimum possible value of K that results in the maximum total balls. In the second example, if Lihmuf chooses K=3 , the game will go as follows: '... |
COMPFEST 15 Preliminary — Editorial |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
---|---|---|---|---|---|---|---|---|---|---|---|
221716113 | ItsJerr sidaaaaa NHiL | L | Sept. 3, 2023, 3:48 p.m. | OK | GNU C++14 | TESTS | 39 | 62 | 0 | ||
221699050 | PEIMUDA bilibilitdasc Error_Yuan | L | Sept. 3, 2023, 2:04 p.m. | OK | GNU C++14 | TESTS | 39 | 62 | 0 | ||
221694677 | zihouzhong ttklwxx Arraiter | L | Sept. 3, 2023, 1:41 p.m. | OK | GNU C++14 | TESTS | 39 | 78 | 0 | ||
221717899 | Kaitokid AboAbdoMC Naseem17 | L | Sept. 3, 2023, 4 p.m. | OK | GNU C++14 | TESTS | 39 | 93 | 0 | ||
221718069 | slenbol XZC__Bobby leexzq | L | Sept. 3, 2023, 4:02 p.m. | OK | GNU C++14 | TESTS | 39 | 109 | 0 | ||
221714661 | Sanat Ryshi yuvrajKharayat | L | Sept. 3, 2023, 3:38 p.m. | OK | GNU C++14 | TESTS | 39 | 109 | 204800 | ||
221705866 | StarSilk | L | Sept. 3, 2023, 2:41 p.m. | OK | GNU C++14 | TESTS | 39 | 124 | 307200 | ||
221712804 | realskc User_Carrot N_z__ | L | Sept. 3, 2023, 3:25 p.m. | OK | GNU C++14 | TESTS | 39 | 140 | 0 | ||
221760232 | stoWhaleAtcolaorz | L | Sept. 4, 2023, 1:08 a.m. | OK | GNU C++14 | TESTS | 39 | 343 | 0 | ||
221772176 | Sai_Rohit-30021 | L | Sept. 4, 2023, 5:04 a.m. | OK | GNU C++14 | TESTS | 39 | 358 | 0 | ||
221769146 | a757403 | L | Sept. 4, 2023, 4:12 a.m. | OK | GNU C++17 | TESTS | 39 | 46 | 0 | ||
221691755 | potato167 | L | Sept. 3, 2023, 1:26 p.m. | OK | GNU C++17 | TESTS | 39 | 46 | 0 | ||
221764130 | marcOS | L | Sept. 4, 2023, 2:44 a.m. | OK | GNU C++17 | TESTS | 39 | 62 | 0 | ||
221731863 | gdryrp | L | Sept. 3, 2023, 5:52 p.m. | OK | GNU C++17 | TESTS | 39 | 62 | 0 | ||
221722726 | Potassium | L | Sept. 3, 2023, 4:36 p.m. | OK | GNU C++17 | TESTS | 39 | 62 | 0 | ||
221704931 | Rewenix tkacper Amtek | L | Sept. 3, 2023, 2:36 p.m. | OK | GNU C++17 | TESTS | 39 | 62 | 204800 | ||
221699292 | sapphire15 tokusakurai torisasami | L | Sept. 3, 2023, 2:05 p.m. | OK | GNU C++17 | TESTS | 39 | 62 | 512000 | ||
221775208 | Pyqe | L | Sept. 4, 2023, 5:48 a.m. | OK | GNU C++17 | TESTS | 39 | 78 | 0 | ||
221712763 | aymanrasheed7 serotonin Alpha_Q | L | Sept. 3, 2023, 3:25 p.m. | OK | GNU C++17 | TESTS | 39 | 78 | 0 | ||
221773439 | Micchon | L | Sept. 4, 2023, 5:23 a.m. | OK | GNU C++17 | TESTS | 39 | 218 | 0 | ||
221699827 | kotatsugame | L | Sept. 3, 2023, 2:08 p.m. | OK | GNU C++17 (64) | TESTS | 39 | 46 | 0 | ||
221699534 | red-stone LXH-cat wsyear | L | Sept. 3, 2023, 2:06 p.m. | OK | GNU C++17 (64) | TESTS | 39 | 46 | 0 | ||
221753633 | wwdd | L | Sept. 3, 2023, 10:03 p.m. | OK | GNU C++17 (64) | TESTS | 39 | 62 | 0 | ||
221720812 | YocyCraft | L | Sept. 3, 2023, 4:23 p.m. | OK | GNU C++17 (64) | TESTS | 39 | 62 | 0 | ||
221700597 | K-H ttcwws CodingJellyfish | L | Sept. 3, 2023, 2:12 p.m. | OK | GNU C++17 (64) | TESTS | 39 | 62 | 0 | ||
221708843 | SmartBamboo Misono_Mika Suiji_SUI | L | Sept. 3, 2023, 3 p.m. | OK | GNU C++17 (64) | TESTS | 39 | 62 | 102400 | ||
221715017 | zhangjianjuncd Imakf -14 | L | Sept. 3, 2023, 3:41 p.m. | OK | GNU C++17 (64) | TESTS | 39 | 78 | 0 | ||
221703982 | crescent_yhw TheAshenWitch yuanhaowei | L | Sept. 3, 2023, 2:30 p.m. | OK | GNU C++17 (64) | TESTS | 39 | 78 | 102400 | ||
221713920 | BARBARIANNNNN Hank2019 EasonTAO | L | Sept. 3, 2023, 3:33 p.m. | OK | GNU C++17 (64) | TESTS | 39 | 93 | 102400 | ||
221697858 | Morphymorphymorphy | L | Sept. 3, 2023, 1:57 p.m. | OK | GNU C++17 (64) | TESTS | 39 | 109 | 0 | ||
221729864 | hardstucknewbie | L | Sept. 3, 2023, 5:33 p.m. | OK | GNU C++20 (64) | TESTS | 39 | 46 | 0 | ||
221726841 | 1459007298 | L | Sept. 3, 2023, 5:06 p.m. | OK | GNU C++20 (64) | TESTS | 39 | 46 | 0 | ||
221712772 | TKT_YI | L | Sept. 3, 2023, 3:25 p.m. | OK | GNU C++20 (64) | TESTS | 39 | 46 | 0 | ||
221703347 | Heltion | L | Sept. 3, 2023, 2:26 p.m. | OK | GNU C++20 (64) | TESTS | 39 | 46 | 0 | ||
221702600 | ayingna | L | Sept. 3, 2023, 2:23 p.m. | OK | GNU C++20 (64) | TESTS | 39 | 46 | 0 | ||
221699174 | user202729_ nvmdava rama_pang | L | Sept. 3, 2023, 2:04 p.m. | OK | GNU C++20 (64) | TESTS | 39 | 46 | 0 | ||
221771253 | BuddhaBarFans | L | Sept. 4, 2023, 4:50 a.m. | OK | GNU C++20 (64) | TESTS | 39 | 62 | 0 | ||
221767504 | 36champ | L | Sept. 4, 2023, 3:45 a.m. | OK | GNU C++20 (64) | TESTS | 39 | 62 | 0 | ||
221728745 | LeXuanBeo | L | Sept. 3, 2023, 5:23 p.m. | OK | GNU C++20 (64) | TESTS | 39 | 62 | 0 | ||
221724444 | doudouille raphaelp | L | Sept. 3, 2023, 4:49 p.m. | OK | GNU C++20 (64) | TESTS | 39 | 62 | 0 | ||
221709835 | arvindf232 | L | Sept. 3, 2023, 3:06 p.m. | OK | Kotlin 1.6 | TESTS | 39 | 623 | 0 | ||
221718098 | misorin | L | Sept. 3, 2023, 4:02 p.m. | OK | PyPy 3-64 | TESTS | 39 | 623 | 3072000 |
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