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ContestId |
Name |
Phase |
Frozen |
Duration (Seconds) |
Relative Time |
Start Time |
|---|---|---|---|---|---|---|
| 2131 | Codeforces Round 1042 (Div. 3) | FINISHED | False | 8100 | 21569123 | Aug. 10, 2025, 2:35 p.m. |
Solved |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
|---|---|---|---|---|---|---|
| ( 17007 ) | E | Adjacent XOR | PROGRAMMING | greedy |
You're given an array (a) of length (n). For each index (i) such that (1 \le i < n), you can perform the following operation at most once : Assign (a_i := a_i \oplus a_{i+1}), where (\oplus) denotes the bitwise XOR operation . . You can choose indices and perform the operations in any sequential order. Given another array (b) of length (n), determine if it is possible to transform (a) to (b). Each test contains multiple test cases. The first line contains the number of test cases (t) ((1 \le t \le 10^4)). The description of the test cases follows. The first line of each test case contains one integer (n) ((2 \le n \le 2 \cdot 10^5)). The second line of each test case contains (n) integers (a_1, a_2, \dots, a_n) ((0 \le a_i < 2^{30})). The third line of each test case contains (n) integers (b_1, b_2, \dots, b_n) ((0 \le b_i < 2^{30})). It is guaranteed that the sum of (n) over all test cases does not exceed (2 \cdot 10^5). For each test case, output " YES " (quotes excluded) if (a) can be transformed to (b); otherwise, output " NO ". You can output the answer in any case (upper or lower). For example, the strings " yEs ", " yes ", " Yes ", and " YES " will be recognized as positive responses. In the first test case, you can perform the operations in the following order: Choose index (i=3) and assign (a_3 := a_3 \oplus a_4 = 7), and (a) becomes (1, 2, 7, 4, 5). Choose index (i=4) and assign (a_4 := a_4 \oplus a_5 = 1), and (a) becomes (1, 2, 7, 1, 5). Choose index (i=1) and assign (a_1 := a_1 \oplus a_2 = 3), and (a) becomes (3, 2, 7, 1, 5). |
| Codeforces Round 1042 (Div. 3) Editorial |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 333450683 | og.kostya | E | Aug. 10, 2025, 5:16 p.m. | OK | C# 13 | TESTS | 12 | 171 | 2867200 | ||
| 333462563 | NHQ0914 | E | Aug. 10, 2025, 7:09 p.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 93 | 1024000 | ||
| 333497368 | Liu_Rui | E | Aug. 11, 2025, 5:48 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 108 | 0 | ||
| 333483901 | NoName18 | E | Aug. 11, 2025, 2:48 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 109 | 0 | ||
| 333454793 | akshat202 | E | Aug. 10, 2025, 5:48 p.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 109 | 0 | ||
| 333454230 | inside_i_am_more | E | Aug. 10, 2025, 5:43 p.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 109 | 0 | ||
| 333478164 | typerxiaozhu | E | Aug. 11, 2025, 1:21 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 109 | 1638400 | ||
| 333497557 | Phantom_R | E | Aug. 11, 2025, 5:50 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 124 | 0 | ||
| 333494639 | Raunak741 | E | Aug. 11, 2025, 5:21 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 124 | 0 | ||
| 333494495 | NERV_ea | E | Aug. 11, 2025, 5:20 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 124 | 0 | ||
| 333492943 | Rashwood | E | Aug. 11, 2025, 5 a.m. | OK | C++17 (GCC 7-32) | TESTS | 12 | 124 | 0 | ||
| 333497884 | Amadeus027 | E | Aug. 11, 2025, 5:53 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 93 | 0 | ||
| 333493410 | Chiku406 | E | Aug. 11, 2025, 5:06 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 93 | 0 | ||
| 333486635 | jikong | E | Aug. 11, 2025, 3:26 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 93 | 0 | ||
| 333480183 | Mousa_Aboubakar | E | Aug. 11, 2025, 1:55 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 93 | 0 | ||
| 333479706 | Eve_ | E | Aug. 11, 2025, 1:48 a.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 93 | 0 | ||
| 333472819 | abhishek_dtu | E | Aug. 10, 2025, 10:31 p.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 93 | 0 | ||
| 333469609 | Infinity_IQ | E | Aug. 10, 2025, 9:03 p.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 93 | 0 | ||
| 333449218 | Pinaka | E | Aug. 10, 2025, 5:07 p.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 93 | 0 | ||
| 333446710 | viphwydon | E | Aug. 10, 2025, 4:55 p.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 93 | 0 | ||
| 333444073 | noob_coder_ank | E | Aug. 10, 2025, 4:48 p.m. | OK | C++20 (GCC 13-64) | TESTS | 12 | 93 | 0 | ||
| 333498303 | zaemon2806 | E | Aug. 11, 2025, 5:58 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 12 | 93 | 0 | ||
| 333496643 | mdgaziurrahmannoor | E | Aug. 11, 2025, 5:41 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 12 | 93 | 0 | ||
| 333459247 | Siva_Rohith_Reddy_18 | E | Aug. 10, 2025, 6:30 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 12 | 93 | 0 | ||
| 333450230 | RadheKrisna | E | Aug. 10, 2025, 5:13 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 12 | 93 | 0 | ||
| 333491660 | O-Abubakir-003-28 | E | Aug. 11, 2025, 4:41 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 12 | 93 | 102400 | ||
| 333497022 | SiriYuri | E | Aug. 11, 2025, 5:45 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 12 | 108 | 0 | ||
| 333493115 | aditya8799singh | E | Aug. 11, 2025, 5:02 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 12 | 108 | 0 | ||
| 333492713 | chenxingyuchen | E | Aug. 11, 2025, 4:57 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 12 | 108 | 0 | ||
| 333491597 | jackylova_fan_fan_fan | E | Aug. 11, 2025, 4:40 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 12 | 108 | 0 | ||
| 333490305 | param_hans | E | Aug. 11, 2025, 4:21 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 12 | 108 | 0 | ||
| 333466147 | 1435730 | E | Aug. 10, 2025, 8 p.m. | OK | GNU C11 | TESTS | 12 | 93 | 1638400 | ||
| 333472275 | seshi_16 | E | Aug. 10, 2025, 10:11 p.m. | OK | GNU C11 | TESTS | 12 | 140 | 2457600 | ||
| 333448964 | lakshsinghal45 | E | Aug. 10, 2025, 5:06 p.m. | OK | GNU C11 | TESTS | 12 | 155 | 1638400 | ||
| 333470783 | monish1406 | E | Aug. 10, 2025, 9:30 p.m. | OK | GNU C11 | TESTS | 12 | 155 | 4915200 | ||
| 333492868 | sons1111 | E | Aug. 11, 2025, 4:59 a.m. | OK | GNU C11 | TESTS | 12 | 156 | 1740800 | ||
| 333498834 | kathanshah743 | E | Aug. 11, 2025, 6:03 a.m. | OK | GNU C11 | TESTS | 12 | 156 | 3276800 | ||
| 333492183 | tracer76 | E | Aug. 11, 2025, 4:49 a.m. | OK | Go | TESTS | 12 | 233 | 7884800 | ||
| 333486998 | ifelsegawd | E | Aug. 11, 2025, 3:31 a.m. | OK | Java 21 | TESTS | 12 | 249 | 614400 | ||
| 333478398 | skynet_07 | E | Aug. 11, 2025, 1:26 a.m. | OK | Java 21 | TESTS | 12 | 281 | 819200 | ||
| 333449546 | dhruv17 | E | Aug. 10, 2025, 5:09 p.m. | OK | Java 21 | TESTS | 12 | 296 | 716800 | ||
| 333461050 | rutul21 | E | Aug. 10, 2025, 6:51 p.m. | OK | Java 21 | TESTS | 12 | 312 | 819200 | ||
| 333461141 | echogenesis | E | Aug. 10, 2025, 6:52 p.m. | OK | Java 21 | TESTS | 12 | 327 | 9011200 | ||
| 333494504 | pratham795 | E | Aug. 11, 2025, 5:20 a.m. | OK | Java 21 | TESTS | 12 | 374 | 5120000 | ||
| 333445226 | Mega6776 | E | Aug. 10, 2025, 4:49 p.m. | OK | Java 21 | TESTS | 12 | 374 | 5120000 | ||
| 333494691 | prem_duvvapu | E | Aug. 11, 2025, 5:22 a.m. | OK | Java 21 | TESTS | 12 | 374 | 7577600 | ||
| 333447587 | amayank18 | E | Aug. 10, 2025, 4:59 p.m. | OK | Java 21 | TESTS | 12 | 389 | 7782400 | ||
| 333486727 | shiva___np | E | Aug. 11, 2025, 3:27 a.m. | OK | Java 21 | TESTS | 12 | 389 | 8089600 | ||
| 333454439 | Michael_One2 | E | Aug. 10, 2025, 5:45 p.m. | OK | Java 8 | TESTS | 12 | 234 | 16179200 | ||
| 333454234 | xmjlove | E | Aug. 10, 2025, 5:43 p.m. | OK | Java 8 | TESTS | 12 | 264 | 0 | ||
| 333481575 | adityadutt | E | Aug. 11, 2025, 2:16 a.m. | OK | Java 8 | TESTS | 12 | 265 | 16179200 | ||
| 333458385 | roushanritik062 | E | Aug. 10, 2025, 6:22 p.m. | OK | Java 8 | TESTS | 12 | 390 | 34201600 | ||
| 333458056 | yashbansal99 | E | Aug. 10, 2025, 6:18 p.m. | OK | Java 8 | TESTS | 12 | 718 | 0 | ||
| 333449694 | jayakrishna_04 | E | Aug. 10, 2025, 5:10 p.m. | OK | Java 8 | TESTS | 12 | 718 | 0 | ||
| 333495681 | JiyaKap1409 | E | Aug. 11, 2025, 5:34 a.m. | OK | Java 8 | TESTS | 12 | 750 | 0 | ||
| 333444456 | ApoorvTripathi | E | Aug. 10, 2025, 4:49 p.m. | OK | Java 8 | TESTS | 12 | 780 | 0 | ||
| 333452530 | jagbarrameda | E | Aug. 10, 2025, 5:29 p.m. | OK | Kotlin 1.9 | TESTS | 12 | 390 | 22323200 | ||
| 333443964 | s.adithya_reddy | E | Aug. 10, 2025, 4:48 p.m. | OK | PyPy 3 | TESTS | 12 | 655 | 21708800 | ||
| 333465498 | jvatsal0709 | E | Aug. 10, 2025, 7:50 p.m. | OK | PyPy 3-64 | TESTS | 12 | 171 | 32665600 | ||
| 333462233 | harurun4635 | E | Aug. 10, 2025, 7:05 p.m. | OK | PyPy 3-64 | TESTS | 12 | 171 | 34508800 | ||
| 333491742 | yashsolanki2007 | E | Aug. 11, 2025, 4:43 a.m. | OK | PyPy 3-64 | TESTS | 12 | 186 | 32870400 | ||
| 333470367 | samchen123 | E | Aug. 10, 2025, 9:20 p.m. | OK | PyPy 3-64 | TESTS | 12 | 187 | 32153600 | ||
| 333451055 | joshchen | E | Aug. 10, 2025, 5:19 p.m. | OK | PyPy 3-64 | TESTS | 12 | 187 | 32665600 | ||
| 333449706 | tjcodnjs11 | E | Aug. 10, 2025, 5:10 p.m. | OK | PyPy 3-64 | TESTS | 12 | 187 | 35942400 | ||
| 333465629 | bishoprunner | E | Aug. 10, 2025, 7:52 p.m. | OK | PyPy 3-64 | TESTS | 12 | 187 | 56320000 | ||
| 333446654 | x3mka | E | Aug. 10, 2025, 4:55 p.m. | OK | PyPy 3-64 | TESTS | 12 | 202 | 30924800 | ||
| 333446475 | kazukun1311 | E | Aug. 10, 2025, 4:54 p.m. | OK | PyPy 3-64 | TESTS | 12 | 202 | 32153600 | ||
| 333484823 | fatalerror | E | Aug. 11, 2025, 3:01 a.m. | OK | PyPy 3-64 | TESTS | 12 | 202 | 35635200 | ||
| 333491316 | Nemisis2.O | E | Aug. 11, 2025, 4:37 a.m. | OK | Python 3 | TESTS | 12 | 187 | 37273600 | ||
| 333498031 | harishkeerthimaans | E | Aug. 11, 2025, 5:55 a.m. | OK | Python 3 | TESTS | 12 | 202 | 34816000 | ||
| 333489098 | Ysb04 | E | Aug. 11, 2025, 4:02 a.m. | OK | Python 3 | TESTS | 12 | 202 | 34918400 | ||
| 333497805 | Etude | E | Aug. 11, 2025, 5:52 a.m. | OK | Python 3 | TESTS | 12 | 217 | 33689600 | ||
| 333443628 | gdgdd | E | Aug. 10, 2025, 4:48 p.m. | OK | Python 3 | TESTS | 12 | 233 | 31846400 | ||
| 333475977 | skysilksock | E | Aug. 11, 2025, 12:30 a.m. | OK | Python 3 | TESTS | 12 | 233 | 34713600 | ||
| 333498042 | green_maniac | E | Aug. 11, 2025, 5:55 a.m. | OK | Python 3 | TESTS | 12 | 249 | 33280000 | ||
| 333464307 | basakdiwakar | E | Aug. 10, 2025, 7:32 p.m. | OK | Python 3 | TESTS | 12 | 249 | 34611200 | ||
| 333498958 | CSFriday | E | Aug. 11, 2025, 6:04 a.m. | OK | Python 3 | TESTS | 12 | 249 | 34713600 | ||
| 333452048 | lanneeer | E | Aug. 10, 2025, 5:26 p.m. | OK | Python 3 | TESTS | 12 | 249 | 34713600 |
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