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ContestId |
Name |
Phase |
Frozen |
Duration (Seconds) |
Relative Time |
Start Time |
|---|---|---|---|---|---|---|
| 2002 | EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) | FINISHED | False | 10800 | 53018723 | Aug. 11, 2024, 2:35 p.m. |
Solved |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
|---|---|---|---|---|---|---|
| ( 22945 ) | B | Removals Game | PROGRAMMING | constructive algorithms games |
Alice got a permutation $$$a_1, a_2, \ldots, a_n$$$ of $$$[1,2,\ldots,n]$$$, and Bob got another permutation $$$b_1, b_2, \ldots, b_n$$$ of $$$[1,2,\ldots,n]$$$. They are going to play a game with these arrays. In each turn, the following events happen in order: Alice chooses either the first or the last element of her array and removes it from the array; Bob chooses either the first or the last element of his array and removes it from the array. The game continues for $$$n-1$$$ turns, after which both arrays will have exactly one remaining element: $$$x$$$ in the array $$$a$$$ and $$$y$$$ in the array $$$b$$$. If $$$x=y$$$, Bob wins; otherwise, Alice wins. Find which player will win if both players play optimally. Each test contains multiple test cases. The first line contains the number of test cases $$$t$$$ ($$$1\le t\le10^4$$$). The description of the test cases follows. The first line of each test case contains a single integer $$$n$$$ ($$$1\le n\le 3\cdot 10^5$$$). The next line contains $$$n$$$ integers $$$a_1,a_2,\ldots,a_n$$$ ($$$1\le a_i\le n$$$, all $$$a_i$$$ are distinct) — the permutation of Alice. The next line contains $$$n$$$ integers $$$b_1,b_2,\ldots,b_n$$$ ($$$1\le b_i\le n$$$, all $$$b_i$$$ are distinct) — the permutation of Bob. It is guaranteed that the sum of all $$$n$$$ does not exceed $$$3\cdot 10^5$$$. For each test case, print a single line with the name of the winner, assuming both players play optimally. If Alice wins, print $$$\texttt{Alice}$$$; otherwise, print $$$\texttt{Bob}$$$. In the first test case, Bob can win the game by deleting the same element as Alice did. In the second test case, Alice can delete $$$3$$$ in the first turn, and then in the second turn, delete the element that is different from the one Bob deleted in the first turn to win the game. |
| EPIC Institute of Technology Round August 2024 (Div. 1 + Div. 2) Editorial |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 275884790 | sohrab | B | Aug. 12, 2024, 3:22 a.m. | OK | C# 10 | TESTS | 12 | 186 | 35840000 | ||
| 275888803 | sohrab | B | Aug. 12, 2024, 4:16 a.m. | OK | C# 10 | TESTS | 12 | 249 | 46387200 | ||
| 275882266 | avirat2211 | B | Aug. 12, 2024, 2:50 a.m. | OK | C++14 (GCC 6-32) | TESTS | 12 | 140 | 0 | ||
| 275879040 | Akashisang | B | Aug. 12, 2024, 2:08 a.m. | OK | C++14 (GCC 6-32) | TESTS | 12 | 140 | 0 | ||
| 275873933 | _SaKaTa_ | B | Aug. 12, 2024, 12:48 a.m. | OK | C++14 (GCC 6-32) | TESTS | 12 | 140 | 0 | ||
| 275861440 | Basant168 | B | Aug. 11, 2024, 8:18 p.m. | OK | C++14 (GCC 6-32) | TESTS | 12 | 140 | 0 | ||
| 275858578 | benslamaoussama1919 | B | Aug. 11, 2024, 7:43 p.m. | OK | C++14 (GCC 6-32) | TESTS | 12 | 140 | 0 | ||
| 275859285 | Lakshya3859 | B | Aug. 11, 2024, 7:51 p.m. | OK | C++14 (GCC 6-32) | TESTS | 12 | 140 | 0 | ||
| 275896687 | Aditya_126 | B | Aug. 12, 2024, 5:52 a.m. | OK | C++14 (GCC 6-32) | TESTS | 12 | 140 | 0 | ||
| 275857307 | viveksinha | B | Aug. 11, 2024, 7:30 p.m. | OK | C++14 (GCC 6-32) | TESTS | 12 | 140 | 1126400 | ||
| 275872652 | jinchengyi789 | B | Aug. 12, 2024, 12:16 a.m. | OK | C++14 (GCC 6-32) | TESTS | 12 | 140 | 2457600 | ||
| 275879309 | UGPS | B | Aug. 12, 2024, 2:11 a.m. | OK | C++14 (GCC 6-32) | TESTS | 12 | 140 | 4812800 | ||
| 275885813 | granadierfc | B | Aug. 12, 2024, 3:35 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 125 | 0 | ||
| 275892245 | Kshitij_0604 | B | Aug. 12, 2024, 5:02 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 140 | 0 | ||
| 275897195 | Traverser_25 | B | Aug. 12, 2024, 5:57 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 140 | 0 | ||
| 275895177 | CoderAbhi27 | B | Aug. 12, 2024, 5:36 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 140 | 0 | ||
| 275892376 | smd00 | B | Aug. 12, 2024, 5:03 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 140 | 0 | ||
| 275891027 | Sean6 | B | Aug. 12, 2024, 4:45 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 140 | 0 | ||
| 275889530 | the_unknwon_soul | B | Aug. 12, 2024, 4:26 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 140 | 0 | ||
| 275889499 | Lonelyper | B | Aug. 12, 2024, 4:26 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 140 | 0 | ||
| 275888746 | rulerofcakes | B | Aug. 12, 2024, 4:15 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 140 | 0 | ||
| 275886515 | Manoj_1383 | B | Aug. 12, 2024, 3:45 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 140 | 0 | ||
| 275859823 | StellarSpecter | B | Aug. 11, 2024, 7:58 p.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 62 | 4505600 | ||
| 275886597 | avi_coder | B | Aug. 12, 2024, 3:46 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 109 | 0 | ||
| 275867157 | Omar_Sayyed | B | Aug. 11, 2024, 9:53 p.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 109 | 0 | ||
| 275882336 | code_kno_parina | B | Aug. 12, 2024, 2:51 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 109 | 0 | ||
| 275877226 | klb326327 | B | Aug. 12, 2024, 1:41 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 109 | 0 | ||
| 275876719 | sweet_hope25 | B | Aug. 12, 2024, 1:35 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 109 | 0 | ||
| 275883799 | yanke | B | Aug. 12, 2024, 3:10 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 109 | 0 | ||
| 275874208 | haidarTawbeh | B | Aug. 12, 2024, 12:54 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 109 | 102400 | ||
| 275884277 | Huangyf | B | Aug. 12, 2024, 3:16 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 109 | 102400 | ||
| 275882174 | fsanitize-undefined | B | Aug. 12, 2024, 2:49 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 109 | 32153600 | ||
| 275878750 | bluemegane | B | Aug. 12, 2024, 2:04 a.m. | OK | C# 8 | TESTS | 12 | 186 | 45772800 | ||
| 275885662 | cacker | B | Aug. 12, 2024, 3:34 a.m. | OK | GNU C11 | TESTS | 12 | 108 | 2457600 | ||
| 275875910 | Avna1567 | B | Aug. 12, 2024, 1:23 a.m. | OK | GNU C11 | TESTS | 12 | 124 | 2457600 | ||
| 275865741 | amon_get | B | Aug. 11, 2024, 9:24 p.m. | OK | GNU C11 | TESTS | 12 | 124 | 2560000 | ||
| 275866605 | yashdbzfan | B | Aug. 11, 2024, 9:41 p.m. | OK | GNU C11 | TESTS | 12 | 139 | 2457600 | ||
| 275897750 | anirudhsrivatsa820 | B | Aug. 12, 2024, 6:03 a.m. | OK | GNU C11 | TESTS | 12 | 140 | 2355200 | ||
| 275839784 | TheAnonymousAMGR | B | Aug. 11, 2024, 5:14 p.m. | OK | GNU C11 | TESTS | 11 | 140 | 2355200 | ||
| 275841435 | CHVR | B | Aug. 11, 2024, 5:19 p.m. | OK | GNU C11 | TESTS | 11 | 155 | 2560000 | ||
| 275844884 | Hom4ikTop4ik | B | Aug. 11, 2024, 5:30 p.m. | OK | GNU C11 | TESTS | 11 | 155 | 4812800 | ||
| 275856500 | Ati_3 | B | Aug. 11, 2024, 7:21 p.m. | OK | Java 21 | TESTS | 12 | 280 | 614400 | ||
| 275856614 | Ati_3 | B | Aug. 11, 2024, 7:22 p.m. | OK | Java 21 | TESTS | 12 | 280 | 614400 | ||
| 275860760 | ChrizzyB47 | B | Aug. 11, 2024, 8:10 p.m. | OK | Java 21 | TESTS | 12 | 343 | 6144000 | ||
| 275892252 | chinatest | B | Aug. 12, 2024, 5:02 a.m. | OK | Java 21 | TESTS | 12 | 358 | 7168000 | ||
| 275879991 | goalboy | B | Aug. 12, 2024, 2:19 a.m. | OK | Java 21 | TESTS | 12 | 374 | 3993600 | ||
| 275853251 | tisha.jaiswal.phe21 | B | Aug. 11, 2024, 6:52 p.m. | OK | Java 21 | TESTS | 12 | 374 | 3993600 | ||
| 275854287 | kirti4iii | B | Aug. 11, 2024, 7 p.m. | OK | Java 21 | TESTS | 12 | 374 | 7577600 | ||
| 275856589 | CyberKraft23 | B | Aug. 11, 2024, 7:22 p.m. | OK | Java 21 | TESTS | 12 | 374 | 7987200 | ||
| 275854760 | Sylvester_ | B | Aug. 11, 2024, 7:04 p.m. | OK | Java 21 | TESTS | 12 | 389 | 7680000 | ||
| 275851671 | kalzor | B | Aug. 11, 2024, 6:40 p.m. | OK | Java 21 | TESTS | 11 | 389 | 7782400 | ||
| 275890830 | ND_ | B | Aug. 12, 2024, 4:43 a.m. | OK | Java 8 | TESTS | 12 | 140 | 17408000 | ||
| 275890521 | Juhaied_nabid | B | Aug. 12, 2024, 4:39 a.m. | OK | Java 8 | TESTS | 12 | 155 | 0 | ||
| 275854624 | Eslam_Ahmed | B | Aug. 11, 2024, 7:03 p.m. | OK | Java 8 | TESTS | 12 | 280 | 13824000 | ||
| 275874626 | Night1324 | B | Aug. 12, 2024, 1:01 a.m. | OK | Java 8 | TESTS | 12 | 374 | 39628800 | ||
| 275870400 | ankushtyagi | B | Aug. 11, 2024, 11:14 p.m. | OK | Java 8 | TESTS | 12 | 749 | 0 | ||
| 275865929 | rujuldwivedi | B | Aug. 11, 2024, 9:28 p.m. | OK | Java 8 | TESTS | 12 | 765 | 0 | ||
| 275887117 | priyanshu3003 | B | Aug. 12, 2024, 3:53 a.m. | OK | Java 8 | TESTS | 12 | 780 | 0 | ||
| 275894006 | bommidilaxman1017 | B | Aug. 12, 2024, 5:23 a.m. | OK | Java 8 | TESTS | 12 | 796 | 0 | ||
| 275871894 | redreoicy | B | Aug. 11, 2024, 11:59 p.m. | OK | Java 8 | TESTS | 12 | 843 | 0 | ||
| 275859998 | purushattom1999 | B | Aug. 11, 2024, 8 p.m. | OK | Java 8 | TESTS | 12 | 843 | 0 | ||
| 275867054 | log1x | B | Aug. 11, 2024, 9:51 p.m. | OK | Node.js | TESTS | 12 | 249 | 58777600 | ||
| 275866974 | log1x | B | Aug. 11, 2024, 9:49 p.m. | OK | Node.js | TESTS | 12 | 264 | 58777600 | ||
| 275840647 | skhan40208 | B | Aug. 11, 2024, 5:17 p.m. | OK | Node.js | TESTS | 11 | 265 | 63897600 | ||
| 275870946 | Anshul_Mittal | B | Aug. 11, 2024, 11:29 p.m. | OK | PyPy 3 | TESTS | 12 | 499 | 29491200 | ||
| 275843252 | Xbalanque | B | Aug. 11, 2024, 5:25 p.m. | OK | PyPy 3 | TESTS | 11 | 577 | 29696000 | ||
| 275856625 | Om_Singh_ | B | Aug. 11, 2024, 7:22 p.m. | OK | PyPy 3-64 | TESTS | 12 | 187 | 39424000 | ||
| 275883742 | mikeac | B | Aug. 12, 2024, 3:09 a.m. | OK | PyPy 3-64 | TESTS | 12 | 187 | 41676800 | ||
| 275857057 | Om_Singh_ | B | Aug. 11, 2024, 7:27 p.m. | OK | PyPy 3-64 | TESTS | 12 | 202 | 41779200 | ||
| 275854341 | Om_Singh_ | B | Aug. 11, 2024, 7:01 p.m. | OK | PyPy 3-64 | TESTS | 12 | 202 | 41779200 | ||
| 275851483 | RobinFromTheHood | B | Aug. 11, 2024, 6:39 p.m. | OK | PyPy 3-64 | TESTS | 11 | 202 | 41881600 | ||
| 275889285 | ishan_luhani | B | Aug. 12, 2024, 4:23 a.m. | OK | PyPy 3-64 | TESTS | 12 | 217 | 41881600 | ||
| 275892661 | SoonOOv | B | Aug. 12, 2024, 5:07 a.m. | OK | PyPy 3-64 | TESTS | 12 | 218 | 25292800 | ||
| 275883316 | equeen | B | Aug. 12, 2024, 3:04 a.m. | OK | PyPy 3-64 | TESTS | 12 | 218 | 39219200 | ||
| 275858716 | varunanshul | B | Aug. 11, 2024, 7:45 p.m. | OK | PyPy 3-64 | TESTS | 12 | 218 | 41676800 | ||
| 275886357 | Naikwad27 | B | Aug. 12, 2024, 3:42 a.m. | OK | PyPy 3-64 | TESTS | 12 | 218 | 41881600 | ||
| 275841477 | kumarSamrat | B | Aug. 11, 2024, 5:20 p.m. | OK | Python 2 | TESTS | 11 | 342 | 33075200 | ||
| 275869613 | eugalt | B | Aug. 11, 2024, 10:52 p.m. | OK | Python 3 | TESTS | 12 | 156 | 50278400 | ||
| 275862148 | manglavishesh64 | B | Aug. 11, 2024, 8:28 p.m. | OK | Python 3 | TESTS | 12 | 156 | 50688000 | ||
| 275861772 | amanyadav2904 | B | Aug. 11, 2024, 8:22 p.m. | OK | Python 3 | TESTS | 12 | 187 | 50688000 | ||
| 275845665 | ThearkhamKnight123 | B | Aug. 11, 2024, 5:32 p.m. | OK | Python 3 | TESTS | 11 | 202 | 50688000 | ||
| 275892743 | QuantumQuotient | B | Aug. 12, 2024, 5:08 a.m. | OK | Python 3 | TESTS | 12 | 218 | 52019200 | ||
| 275887239 | adarsh951 | B | Aug. 12, 2024, 3:54 a.m. | OK | Python 3 | TESTS | 12 | 218 | 52019200 | ||
| 275871177 | usaxena95 xennygrimmato | B | Aug. 11, 2024, 11:37 p.m. | OK | Python 3 | TESTS | 12 | 233 | 52019200 | ||
| 275855611 | 8t9ine | B | Aug. 11, 2024, 7:12 p.m. | OK | Python 3 | TESTS | 12 | 233 | 52019200 | ||
| 275838232 | AlgoNinja | B | Aug. 11, 2024, 5:09 p.m. | OK | Python 3 | TESTS | 11 | 233 | 52019200 | ||
| 275872101 | Alive-Character | B | Aug. 12, 2024, 12:05 a.m. | OK | Python 3 | TESTS | 12 | 234 | 49049600 | ||
| 275892010 | aremes95 | B | Aug. 12, 2024, 4:58 a.m. | OK | Rust 2021 | TESTS | 12 | 62 | 5836800 | ||
| 275842162 | hoangan2108 | B | Aug. 11, 2024, 5:22 p.m. | OK | Rust 2021 | TESTS | 11 | 93 | 5529600 |
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