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ContestId |
Name |
Phase |
Frozen |
Duration (Seconds) |
Relative Time |
Start Time |
|---|---|---|---|---|---|---|
| 2137 | Codeforces Round 1047 (Div. 3) | FINISHED | False | 8100 | 19149923 | Sept. 7, 2025, 2:35 p.m. |
Solved |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
|---|---|---|---|---|---|---|
| ( 26314 ) | B | Fun Permutation | PROGRAMMING | constructive algorithms math number theory |
You are given a permutation(^{\text{∗}}) (p) of size (n). Your task is to find a permutation (q) of size (n) such that (\operatorname{GCD})(^{\text{†}})((p_i+q_i, p_{i+1}+q_{i+1}) \geq 3) for all (1 \leq i<n). In other words, the greatest common divisor of the sum of any two adjacent positions should be at least (3). It can be shown that this is always possible. (^{\text{∗}})A permutation of length (m) is an array consisting of (m) distinct integers from (1) to (m) in arbitrary order. For example, (2,3,1,5,4) is a permutation, but (1,2,2) is not a permutation ((2) appears twice in the array), and (1,3,4) is also not a permutation ((m=3) but there is (4) in the array). (^{\text{†}})(\gcd(x, y)) denotes the greatest common divisor (GCD) of integers (x) and (y). 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 an integer (n) ((2 \leq n \leq 2\cdot 10^5)). The second line contains (n) integers (p_1,p_2,\ldots,p_n) ((1 \leq p_i \leq n)). It is guaranteed that the given array forms a permutation. It is guaranteed that the sum of (n) over all test cases does not exceed (2\cdot 10^5). For each test case, output the permutation (q) on a new line. If there are multiple possible answers, you may output any. In the first test case, (\operatorname{GCD}(1+2,3+3)=3\geq 3) and (\operatorname{GCD}(3+3,2+1)=3\geq3), so the output is correct. |
| Codeforces Round 1047 (Div. 3) Editorial |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 337497780 | shaker-500 | B | Sept. 8, 2025, 5:26 a.m. | OK | C# 13 | TESTS | 6 | 311 | 29081600 | ||
| 337464477 | mahmudur9 | B | Sept. 7, 2025, 7:07 p.m. | OK | C# 13 | TESTS | 6 | 343 | 34816000 | ||
| 337498905 | shaker-500 | B | Sept. 8, 2025, 5:41 a.m. | OK | C# 13 | TESTS | 6 | 374 | 30310400 | ||
| 337454089 | prcsamrat | B | Sept. 7, 2025, 5:37 p.m. | OK | C++17 (GCC 7-32) | TESTS | 6 | 78 | 0 | ||
| 337475656 | ahlidinrahmonov | B | Sept. 7, 2025, 9:45 p.m. | OK | C++17 (GCC 7-32) | TESTS | 6 | 78 | 102400 | ||
| 337497909 | MYNOUL_HASAN2 | B | Sept. 8, 2025, 5:28 a.m. | OK | C++17 (GCC 7-32) | TESTS | 6 | 93 | 0 | ||
| 337497394 | shribak | B | Sept. 8, 2025, 5:21 a.m. | OK | C++17 (GCC 7-32) | TESTS | 6 | 93 | 0 | ||
| 337496536 | UG_BEAST | B | Sept. 8, 2025, 5:09 a.m. | OK | C++17 (GCC 7-32) | TESTS | 6 | 93 | 0 | ||
| 337496305 | __New_coder | B | Sept. 8, 2025, 5:06 a.m. | OK | C++17 (GCC 7-32) | TESTS | 6 | 93 | 0 | ||
| 337495783 | smurfg | B | Sept. 8, 2025, 4:59 a.m. | OK | C++17 (GCC 7-32) | TESTS | 6 | 93 | 0 | ||
| 337494265 | Ibrahemahmed23 | B | Sept. 8, 2025, 4:34 a.m. | OK | C++17 (GCC 7-32) | TESTS | 6 | 93 | 0 | ||
| 337493343 | lazyKoala123 | B | Sept. 8, 2025, 4:17 a.m. | OK | C++17 (GCC 7-32) | TESTS | 6 | 93 | 0 | ||
| 337492376 | AyushPallod | B | Sept. 8, 2025, 3:58 a.m. | OK | C++17 (GCC 7-32) | TESTS | 6 | 93 | 0 | ||
| 337500733 | aayushsaxena17 | B | Sept. 8, 2025, 6:05 a.m. | OK | C++20 (GCC 13-64) | TESTS | 6 | 77 | 0 | ||
| 337498549 | miyan1221 | B | Sept. 8, 2025, 5:36 a.m. | OK | C++20 (GCC 13-64) | TESTS | 6 | 77 | 0 | ||
| 337497954 | Hksingh | B | Sept. 8, 2025, 5:28 a.m. | OK | C++20 (GCC 13-64) | TESTS | 6 | 77 | 0 | ||
| 337496908 | djsksbrbf | B | Sept. 8, 2025, 5:15 a.m. | OK | C++20 (GCC 13-64) | TESTS | 6 | 77 | 0 | ||
| 337496294 | Vic710 | B | Sept. 8, 2025, 5:06 a.m. | OK | C++20 (GCC 13-64) | TESTS | 6 | 77 | 0 | ||
| 337493720 | thebold497 | B | Sept. 8, 2025, 4:25 a.m. | OK | C++20 (GCC 13-64) | TESTS | 6 | 77 | 0 | ||
| 337492572 | accord | B | Sept. 8, 2025, 4:02 a.m. | OK | C++20 (GCC 13-64) | TESTS | 6 | 77 | 0 | ||
| 337487769 | Panyang | B | Sept. 8, 2025, 2:45 a.m. | OK | C++20 (GCC 13-64) | TESTS | 6 | 77 | 0 | ||
| 337487684 | non_fried_chips | B | Sept. 8, 2025, 2:44 a.m. | OK | C++20 (GCC 13-64) | TESTS | 6 | 77 | 0 | ||
| 337487021 | Z.I.A.D | B | Sept. 8, 2025, 2:34 a.m. | OK | C++20 (GCC 13-64) | TESTS | 6 | 77 | 0 | ||
| 337447348 | bluish | B | Sept. 7, 2025, 4:57 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 6 | 46 | 204800 | ||
| 337460096 | Shahriar_Imran | B | Sept. 7, 2025, 6:23 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 6 | 61 | 0 | ||
| 337497632 | maspy | B | Sept. 8, 2025, 5:24 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 6 | 61 | 204800 | ||
| 337500301 | pstu-Sadman | B | Sept. 8, 2025, 5:59 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 6 | 77 | 0 | ||
| 337499205 | Bruce_wayne24 | B | Sept. 8, 2025, 5:45 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 6 | 77 | 0 | ||
| 337497930 | RuinGuard | B | Sept. 8, 2025, 5:28 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 6 | 77 | 0 | ||
| 337497200 | deadmonster | B | Sept. 8, 2025, 5:19 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 6 | 77 | 0 | ||
| 337497184 | PrimeHunter | B | Sept. 8, 2025, 5:18 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 6 | 77 | 0 | ||
| 337496766 | garora22 | B | Sept. 8, 2025, 5:13 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 6 | 77 | 0 | ||
| 337495584 | lovesharma7 | B | Sept. 8, 2025, 4:56 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 6 | 77 | 0 | ||
| 337457134 | AntonKorch | B | Sept. 7, 2025, 5:58 p.m. | OK | F# 9 | TESTS | 6 | 140 | 36454400 | ||
| 337496475 | AntonKorch | B | Sept. 8, 2025, 5:09 a.m. | OK | F# 9 | TESTS | 6 | 140 | 37273600 | ||
| 337456784 | AntonKorch | B | Sept. 7, 2025, 5:55 p.m. | OK | F# 9 | TESTS | 6 | 140 | 37376000 | ||
| 337498096 | AntonKorch | B | Sept. 8, 2025, 5:30 a.m. | OK | F# 9 | TESTS | 6 | 156 | 39833600 | ||
| 337454456 | AntonKorch | B | Sept. 7, 2025, 5:39 p.m. | OK | F# 9 | TESTS | 6 | 171 | 30412800 | ||
| 337453438 | AntonKorch | B | Sept. 7, 2025, 5:32 p.m. | OK | F# 9 | TESTS | 6 | 171 | 36044800 | ||
| 337455957 | AntonKorch | B | Sept. 7, 2025, 5:49 p.m. | OK | F# 9 | TESTS | 6 | 187 | 36044800 | ||
| 337496266 | AntonKorch | B | Sept. 8, 2025, 5:06 a.m. | OK | F# 9 | TESTS | 6 | 187 | 37376000 | ||
| 337496136 | AntonKorch | B | Sept. 8, 2025, 5:04 a.m. | OK | F# 9 | TESTS | 6 | 234 | 63692800 | ||
| 337453954 | AntonKorch | B | Sept. 7, 2025, 5:36 p.m. | OK | F# 9 | TESTS | 6 | 249 | 33280000 | ||
| 337458803 | niskarshmnnit | B | Sept. 7, 2025, 6:11 p.m. | OK | GNU C11 | TESTS | 6 | 843 | 1638400 | ||
| 337468541 | 2405122_Rajdip_Deb | B | Sept. 7, 2025, 7:54 p.m. | OK | GNU C11 | TESTS | 6 | 858 | 819200 | ||
| 337498854 | ShashiS | B | Sept. 8, 2025, 5:41 a.m. | OK | GNU C11 | TESTS | 6 | 874 | 102400 | ||
| 337465875 | Md_Al_Amin20041108 | B | Sept. 7, 2025, 7:22 p.m. | OK | GNU C11 | TESTS | 6 | 874 | 1740800 | ||
| 337478108 | me_shivendra01 | B | Sept. 7, 2025, 10:43 p.m. | OK | Java 21 | TESTS | 6 | 265 | 2048000 | ||
| 337459213 | joshisparsh18 | B | Sept. 7, 2025, 6:15 p.m. | OK | Java 21 | TESTS | 6 | 296 | 1024000 | ||
| 337494704 | tekka_ity | B | Sept. 8, 2025, 4:42 a.m. | OK | Java 21 | TESTS | 6 | 296 | 1433600 | ||
| 337470141 | arnavchhabra2005 | B | Sept. 7, 2025, 8:11 p.m. | OK | Java 21 | TESTS | 6 | 312 | 10035200 | ||
| 337488800 | WrongAnswerOnTestCase2 | B | Sept. 8, 2025, 3:01 a.m. | OK | Java 21 | TESTS | 6 | 327 | 921600 | ||
| 337486928 | duongtnhat | B | Sept. 8, 2025, 2:32 a.m. | OK | Java 21 | TESTS | 6 | 327 | 921600 | ||
| 337476704 | BOB_005 | B | Sept. 7, 2025, 10:05 p.m. | OK | Java 21 | TESTS | 6 | 358 | 512000 | ||
| 337449215 | priyaroy3370 | B | Sept. 7, 2025, 5:06 p.m. | OK | Java 21 | TESTS | 6 | 406 | 819200 | ||
| 337453532 | rakshitsingh333 | B | Sept. 7, 2025, 5:33 p.m. | OK | Java 21 | TESTS | 6 | 437 | 819200 | ||
| 337464291 | akshat.codes | B | Sept. 7, 2025, 7:04 p.m. | OK | Java 21 | TESTS | 6 | 499 | 24371200 | ||
| 337465061 | Ashu2030 | B | Sept. 7, 2025, 7:13 p.m. | OK | Java 8 | TESTS | 6 | 186 | 0 | ||
| 337462302 | suntansoker | B | Sept. 7, 2025, 6:43 p.m. | OK | Java 8 | TESTS | 6 | 218 | 2662400 | ||
| 337448163 | T-error | B | Sept. 7, 2025, 5:01 p.m. | OK | Java 8 | TESTS | 6 | 218 | 3584000 | ||
| 337446390 | Eslam_Ahmed | B | Sept. 7, 2025, 4:53 p.m. | OK | Java 8 | TESTS | 6 | 233 | 2662400 | ||
| 337492828 | jhemanth | B | Sept. 8, 2025, 4:07 a.m. | OK | Java 8 | TESTS | 6 | 655 | 0 | ||
| 337466094 | Yaser2004 | B | Sept. 7, 2025, 7:25 p.m. | OK | Java 8 | TESTS | 6 | 656 | 0 | ||
| 337455198 | userlowlevel | B | Sept. 7, 2025, 5:44 p.m. | OK | Java 8 | TESTS | 6 | 687 | 0 | ||
| 337449197 | not_mohith | B | Sept. 7, 2025, 5:06 p.m. | OK | Java 8 | TESTS | 6 | 702 | 0 | ||
| 337456144 | adsulswapnil27 | B | Sept. 7, 2025, 5:51 p.m. | OK | Java 8 | TESTS | 6 | 734 | 0 | ||
| 337451093 | ..pk | B | Sept. 7, 2025, 5:17 p.m. | OK | Java 8 | TESTS | 6 | 749 | 0 | ||
| 337486009 | aolive505 | B | Sept. 8, 2025, 2:13 a.m. | OK | JavaScript | TESTS | 6 | 202 | 28262400 | ||
| 337460618 | QuadD4rv1n7 | B | Sept. 7, 2025, 6:27 p.m. | OK | Kotlin 2.2 | TESTS | 6 | 217 | 5324800 | ||
| 337486465 | swseverance | B | Sept. 8, 2025, 2:23 a.m. | OK | Node.js | TESTS | 6 | 296 | 64102400 | ||
| 337445795 | gopikrishna9968 | B | Sept. 7, 2025, 4:51 p.m. | OK | PyPy 3 | TESTS | 6 | 389 | 18227200 | ||
| 337477929 | Saicoder89 | B | Sept. 7, 2025, 10:38 p.m. | OK | PyPy 3 | TESTS | 6 | 406 | 17100800 | ||
| 337455336 | sidskull103 | B | Sept. 7, 2025, 5:45 p.m. | OK | PyPy 3 | TESTS | 6 | 468 | 17100800 | ||
| 337465070 | mawo78 | B | Sept. 7, 2025, 7:13 p.m. | OK | PyPy 3-64 | TESTS | 6 | 124 | 21708800 | ||
| 337468790 | hugoback01 | B | Sept. 7, 2025, 7:57 p.m. | OK | PyPy 3-64 | TESTS | 6 | 139 | 23961600 | ||
| 337468759 | niyazi | B | Sept. 7, 2025, 7:57 p.m. | OK | PyPy 3-64 | TESTS | 6 | 155 | 19456000 | ||
| 337453028 | gardengnome | B | Sept. 7, 2025, 5:29 p.m. | OK | PyPy 3-64 | TESTS | 6 | 155 | 22016000 | ||
| 337474682 | Ritwin | B | Sept. 7, 2025, 9:25 p.m. | OK | PyPy 3-64 | TESTS | 6 | 156 | 19046400 | ||
| 337460289 | bhuvan_sankar_gupta | B | Sept. 7, 2025, 6:24 p.m. | OK | PyPy 3-64 | TESTS | 6 | 156 | 19456000 | ||
| 337481330 | jvatsal0709 | B | Sept. 8, 2025, 12:20 a.m. | OK | PyPy 3-64 | TESTS | 6 | 156 | 28467200 | ||
| 337482199 | ntarsis30 | B | Sept. 8, 2025, 12:43 a.m. | OK | PyPy 3-64 | TESTS | 6 | 171 | 16998400 | ||
| 337477286 | SerbanC | B | Sept. 7, 2025, 10:20 p.m. | OK | PyPy 3-64 | TESTS | 6 | 171 | 19456000 | ||
| 337484835 | Baichuan | B | Sept. 8, 2025, 1:47 a.m. | OK | PyPy 3-64 | TESTS | 6 | 171 | 21196800 | ||
| 337493052 | pramitkchandra10 | B | Sept. 8, 2025, 4:12 a.m. | OK | Python 3 | TESTS | 6 | 171 | 31334400 | ||
| 337453940 | Gautam_kharkwal | B | Sept. 7, 2025, 5:36 p.m. | OK | Python 3 | TESTS | 6 | 171 | 31334400 | ||
| 337449598 | Bantu1919 | B | Sept. 7, 2025, 5:08 p.m. | OK | Python 3 | TESTS | 6 | 171 | 31436800 | ||
| 337464090 | BWHM | B | Sept. 7, 2025, 7:02 p.m. | OK | Python 3 | TESTS | 6 | 187 | 29491200 | ||
| 337446938 | rejebmohamed62 | B | Sept. 7, 2025, 4:55 p.m. | OK | Python 3 | TESTS | 6 | 203 | 28672000 | ||
| 337450975 | arpit_yadav6155 | B | Sept. 7, 2025, 5:16 p.m. | OK | Python 3 | TESTS | 6 | 250 | 40652800 | ||
| 337469860 | ne_egorova | B | Sept. 7, 2025, 8:07 p.m. | OK | Python 3 | TESTS | 6 | 265 | 22528000 | ||
| 337484782 | prime_255 | B | Sept. 8, 2025, 1:46 a.m. | OK | Python 3 | TESTS | 6 | 265 | 23347200 | ||
| 337483934 | trustNobody | B | Sept. 8, 2025, 1:26 a.m. | OK | Python 3 | TESTS | 6 | 281 | 20889600 | ||
| 337460329 | ayush_gsv23 | B | Sept. 7, 2025, 6:25 p.m. | OK | Python 3 | TESTS | 6 | 281 | 22425600 | ||
| 337475039 | Ritwin | B | Sept. 7, 2025, 9:32 p.m. | OK | Ruby 3 | TESTS | 6 | 984 | 49254400 | ||
| 337479153 | lyteabovenyte | B | Sept. 7, 2025, 11:14 p.m. | OK | Rust 2021 | TESTS | 6 | 124 | 10752000 | ||
| 337474093 | mindflux | B | Sept. 7, 2025, 9:13 p.m. | OK | Rust 2024 | TESTS | 6 | 77 | 819200 | ||
| 337489856 | pohzipohzi | B | Sept. 8, 2025, 3:17 a.m. | OK | Rust 2024 | TESTS | 6 | 77 | 2355200 | ||
| 337482759 | 0x81 | B | Sept. 8, 2025, 12:56 a.m. | OK | Rust 2024 | TESTS | 6 | 124 | 2867200 |
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