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ContestId |
Name |
Phase |
Frozen |
Duration (Seconds) |
Relative Time |
Start Time |
|---|---|---|---|---|---|---|
| 2234 | Codeforces Round 1102 (Div. 2) | FINISHED | False | 8100 | 6621914 | June 7, 2026, 2:35 p.m. |
Solved |
Index |
Name |
Type |
Tags |
Community Tag |
Rating |
|---|---|---|---|---|---|---|
| ( 22431 ) | B | Palindrome, Twelve and Two Terms | PROGRAMMING | constructive algorithms math |
You are given a positive integer (n). A pair of non-negative integers (a, b) is called beautiful if the following conditions hold: (a + b = n). The number (a) is a palindrome.(^{\text{∗}}) The number (b) is divisible by (12). You need to find a beautiful pair or report that it does not exist. (^{\text{∗}})A number is called a palindrome if and only if it remains the same when its digits (in decimal notation) are written in reverse order. For example, the numbers (12321), (6776), (5), (0) are palindromes, while the numbers (123) and (69) — are not. 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 only line of each test case contains a single integer (n) ((1 \leq n \leq 10^{18})). For each test case, if such (a) and (b) exist, output (a) and (b) on a separate line, separated by a space. Otherwise, output (-1) on a separate line. If there are several beautiful pairs (a, b), you may output any of them. In the first test case, (a = 1) is a palindrome, and (b = 0) is divisible by (12), and (a + b = 1 = n), so the answer satisfies the condition. In the second test case, it can be shown that no pair (a, b) is suitable. In the third test case, (a = 262) is a palindrome, and (b = 48) is divisible by (12), and (a + b = 310 = n), so the answer satisfies the condition. |
| Tutorial |
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 377681443 | GotuZeno | B | June 7, 2026, 4:36 p.m. | OK | C# 13 | TESTS | 4 | 62 | 3481600 | ||
| 377724543 | kharian | B | June 8, 2026, 5:28 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 377721078 | aryangoyal_01 | B | June 8, 2026, 4:33 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 377720534 | codeit567 | B | June 8, 2026, 4:24 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 377718987 | singhshivendra0109 | B | June 8, 2026, 3:53 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 377717874 | SurajNits | B | June 8, 2026, 3:31 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 377717255 | AsadGalib | B | June 8, 2026, 3:18 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 377714747 | verma_013 | B | June 8, 2026, 2:14 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 377712611 | HouKyou | B | June 8, 2026, 1:05 a.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 377710770 | KiraLight | B | June 7, 2026, 11:47 p.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 377706506 | camilleparis | B | June 7, 2026, 9:39 p.m. | OK | C++17 (GCC 7-32) | TESTS | 4 | 15 | 0 | ||
| 377731396 | Dev_ops | B | June 8, 2026, 6:05 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 377730628 | Lucifer__2911 | B | June 8, 2026, 5:55 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 377730411 | 7_7_7_7_ | B | June 8, 2026, 5:52 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 377724645 | keysforfight | B | June 8, 2026, 5:29 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 377720576 | 2024csb1122 | B | June 8, 2026, 4:25 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 377720258 | dayni_ka_tanay | B | June 8, 2026, 4:19 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 377716572 | lmaoquabro | B | June 8, 2026, 3:02 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 377715911 | Naturia_M | B | June 8, 2026, 2:47 a.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 377710021 | Imlevelingup | B | June 7, 2026, 11:18 p.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 377701600 | KRISHNAMAHESHWARI | B | June 7, 2026, 7:54 p.m. | OK | C++20 (GCC 13-64) | TESTS | 4 | 15 | 0 | ||
| 377691675 | tanagrawal | B | June 7, 2026, 5:41 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 0 | 0 | ||
| 377682996 | pts0003 | B | June 7, 2026, 4:41 p.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 0 | 0 | ||
| 377731340 | Illyasv1el | B | June 8, 2026, 6:05 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 377730602 | Optiver_2024 | B | June 8, 2026, 5:54 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 377729614 | MontasirJoy03 | B | June 8, 2026, 5:40 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 377729594 | Furina-chan | B | June 8, 2026, 5:40 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 377725097 | shauryarai2023 | B | June 8, 2026, 5:36 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 377724675 | NlogN_ayan | B | June 8, 2026, 5:30 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 377724482 | knishanthreddy | B | June 8, 2026, 5:27 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 377724187 | Whale_Wholesaler | B | June 8, 2026, 5:23 a.m. | OK | C++23 (GCC 14-64, msys2) | TESTS | 4 | 15 | 0 | ||
| 377678924 | ruban | B | June 7, 2026, 4:27 p.m. | OK | FPC | TESTS | 4 | 46 | 56422400 | ||
| 377677384 | iajay3005 | B | June 7, 2026, 4:22 p.m. | OK | GNU C11 | TESTS | 4 | 46 | 0 | ||
| 377679712 | MunFuad | B | June 7, 2026, 4:30 p.m. | OK | GNU C11 | TESTS | 4 | 46 | 102400 | ||
| 377674424 | afeef2001 | B | June 7, 2026, 4:13 p.m. | OK | GNU C11 | TESTS | 4 | 46 | 102400 | ||
| 377671361 | Jeandr | B | June 7, 2026, 4:04 p.m. | OK | GNU C11 | TESTS | 4 | 46 | 102400 | ||
| 377685631 | hgtushar | B | June 7, 2026, 4:49 p.m. | OK | GNU C11 | TESTS | 4 | 62 | 0 | ||
| 377685051 | MODASSIR_IBRAHMI | B | June 7, 2026, 4:48 p.m. | OK | GNU C11 | TESTS | 4 | 62 | 0 | ||
| 377680976 | GreatDragon | B | June 7, 2026, 4:34 p.m. | OK | GNU C11 | TESTS | 4 | 62 | 0 | ||
| 377674631 | chen0521yuxuan | B | June 7, 2026, 4:13 p.m. | OK | GNU C11 | TESTS | 4 | 62 | 0 | ||
| 377671289 | Stellar_Solver | B | June 7, 2026, 4:04 p.m. | OK | GNU C11 | TESTS | 4 | 62 | 0 | ||
| 377694196 | SicMundus33 | B | June 7, 2026, 6:08 p.m. | OK | GNU C11 | TESTS | 4 | 62 | 102400 | ||
| 377683717 | daidao | B | June 7, 2026, 4:44 p.m. | OK | Go | TESTS | 4 | 46 | 307200 | ||
| 377672466 | I_UsedTo_Love_You | B | June 7, 2026, 4:07 p.m. | OK | Go | TESTS | 4 | 78 | 921600 | ||
| 377717730 | xiaolanjing | B | June 8, 2026, 3:28 a.m. | OK | Go | TESTS | 4 | 109 | 819200 | ||
| 377724239 | abhishek.mahto2025 | B | June 8, 2026, 5:24 a.m. | OK | Java 21 | TESTS | 4 | 171 | 409600 | ||
| 377678712 | JC_codescf | B | June 7, 2026, 4:26 p.m. | OK | Java 21 | TESTS | 4 | 171 | 409600 | ||
| 377671103 | TusharChoudhary7 | B | June 7, 2026, 4:03 p.m. | OK | Java 21 | TESTS | 4 | 171 | 819200 | ||
| 377672967 | Sab3r | B | June 7, 2026, 4:09 p.m. | OK | Java 21 | TESTS | 4 | 187 | 307200 | ||
| 377682813 | venkata_ratnam | B | June 7, 2026, 4:41 p.m. | OK | Java 21 | TESTS | 4 | 187 | 512000 | ||
| 377685001 | Anmol_ZEZX | B | June 7, 2026, 4:48 p.m. | OK | Java 21 | TESTS | 4 | 203 | 0 | ||
| 377676078 | anmolgarg_1 | B | June 7, 2026, 4:18 p.m. | OK | Java 21 | TESTS | 4 | 203 | 204800 | ||
| 377682268 | ezyabhinav_001 | B | June 7, 2026, 4:39 p.m. | OK | Java 21 | TESTS | 4 | 203 | 716800 | ||
| 377677515 | ritish33 | B | June 7, 2026, 4:22 p.m. | OK | Java 21 | TESTS | 4 | 203 | 716800 | ||
| 377671526 | Jiwesh86 | B | June 7, 2026, 4:04 p.m. | OK | Java 21 | TESTS | 4 | 203 | 716800 | ||
| 377697367 | ujwalcoderhunter | B | June 7, 2026, 6:45 p.m. | OK | Java 8 | TESTS | 4 | 109 | 0 | ||
| 377703543 | Kunal_30 | B | June 7, 2026, 8:33 p.m. | OK | Java 8 | TESTS | 4 | 125 | 0 | ||
| 377701654 | hetshah16 | B | June 7, 2026, 7:55 p.m. | OK | Java 8 | TESTS | 4 | 140 | 0 | ||
| 377699080 | kalpesh05 | B | June 7, 2026, 7:11 p.m. | OK | Java 8 | TESTS | 4 | 156 | 0 | ||
| 377721529 | Ell | B | June 8, 2026, 4:41 a.m. | OK | Java 8 | TESTS | 4 | 171 | 0 | ||
| 377696777 | abhi08shekroy | B | June 7, 2026, 6:37 p.m. | OK | Java 8 | TESTS | 4 | 171 | 0 | ||
| 377680440 | iadityakumar18 | B | June 7, 2026, 4:32 p.m. | OK | Java 8 | TESTS | 4 | 171 | 0 | ||
| 377675650 | krishita_my | B | June 7, 2026, 4:17 p.m. | OK | Java 8 | TESTS | 4 | 171 | 0 | ||
| 377682925 | aaradhyasinghgaur | B | June 7, 2026, 4:41 p.m. | OK | Java 8 | TESTS | 4 | 187 | 0 | ||
| 377672869 | dilemma_walker | B | June 7, 2026, 4:08 p.m. | OK | Java 8 | TESTS | 4 | 187 | 0 | ||
| 377674491 | pin7gu | B | June 7, 2026, 4:13 p.m. | OK | Kotlin 1.7 | TESTS | 4 | 312 | 0 | ||
| 377683975 | Keerti20 | B | June 7, 2026, 4:44 p.m. | OK | Kotlin 2.2 | TESTS | 4 | 156 | 204800 | ||
| 377694854 | xooks_xooks_xooks | B | June 7, 2026, 6:15 p.m. | OK | OCaml | TESTS | 4 | 31 | 0 | ||
| 377699224 | WalrusRamen21 | B | June 7, 2026, 7:13 p.m. | OK | PyPy 3 | TESTS | 4 | 140 | 4198400 | ||
| 377674517 | Wahi_Akter_Poly | B | June 7, 2026, 4:13 p.m. | OK | PyPy 3 | TESTS | 4 | 140 | 5734400 | ||
| 377699805 | SuryaPrakashMC | B | June 7, 2026, 7:23 p.m. | OK | PyPy 3 | TESTS | 4 | 140 | 136704000 | ||
| 377673367 | deviprasaddvk | B | June 7, 2026, 4:10 p.m. | OK | PyPy 3 | TESTS | 4 | 156 | 5529600 | ||
| 377681193 | Kinematic_king | B | June 7, 2026, 4:35 p.m. | OK | PyPy 3 | TESTS | 4 | 171 | 5222400 | ||
| 377677473 | EarthGo | B | June 7, 2026, 4:22 p.m. | OK | PyPy 3 | TESTS | 4 | 187 | 6963200 | ||
| 377671549 | N_harishKumar45 | B | June 7, 2026, 4:05 p.m. | OK | PyPy 3 | TESTS | 4 | 234 | 6041600 | ||
| 377709506 | mazaltim | B | June 7, 2026, 11:01 p.m. | OK | PyPy 3 | TESTS | 4 | 234 | 6348800 | ||
| 377717260 | Aarav_kh | B | June 8, 2026, 3:18 a.m. | OK | PyPy 3 | TESTS | 4 | 234 | 8089600 | ||
| 377674605 | Hanyun | B | June 7, 2026, 4:13 p.m. | OK | PyPy 3 | TESTS | 4 | 250 | 6758400 | ||
| 377678750 | shubh_234 | B | June 7, 2026, 4:26 p.m. | OK | PyPy 3-64 | TESTS | 4 | 62 | 3174400 | ||
| 377672143 | Daksh___ | B | June 7, 2026, 4:06 p.m. | OK | PyPy 3-64 | TESTS | 4 | 62 | 4096000 | ||
| 377698867 | AlgoAbhishek | B | June 7, 2026, 7:08 p.m. | OK | PyPy 3-64 | TESTS | 4 | 62 | 4198400 | ||
| 377676938 | unsoundbark | B | June 7, 2026, 4:20 p.m. | OK | PyPy 3-64 | TESTS | 4 | 78 | 3174400 | ||
| 377711131 | shreshthadlakha | B | June 8, 2026, 12:07 a.m. | OK | PyPy 3-64 | TESTS | 4 | 78 | 3276800 | ||
| 377672105 | dumb_god | B | June 7, 2026, 4:06 p.m. | OK | PyPy 3-64 | TESTS | 4 | 78 | 3993600 | ||
| 377705853 | snuece_bumboo | B | June 7, 2026, 9:24 p.m. | OK | PyPy 3-64 | TESTS | 4 | 78 | 4198400 | ||
| 377696339 | OmarMoBadr | B | June 7, 2026, 6:32 p.m. | OK | PyPy 3-64 | TESTS | 4 | 78 | 4198400 | ||
| 377679833 | rising1legend | B | June 7, 2026, 4:30 p.m. | OK | PyPy 3-64 | TESTS | 4 | 78 | 4198400 | ||
| 377718514 | RankOneTensor | B | June 8, 2026, 3:43 a.m. | OK | PyPy 3-64 | TESTS | 4 | 78 | 4710400 | ||
| 377682318 | RecurringCoder | B | June 7, 2026, 4:39 p.m. | OK | Python 2 | TESTS | 4 | 62 | 0 | ||
| 377683792 | bhumannagari_archana | B | June 7, 2026, 4:44 p.m. | OK | Python 2 | TESTS | 4 | 109 | 0 | ||
| 377696941 | JCSP555 | B | June 7, 2026, 6:40 p.m. | OK | Python 3 | TESTS | 4 | 46 | 307200 | ||
| 377684223 | GODMODFURY | B | June 7, 2026, 4:45 p.m. | OK | Python 3 | TESTS | 4 | 62 | 204800 | ||
| 377679070 | cod24111 | B | June 7, 2026, 4:27 p.m. | OK | Python 3 | TESTS | 4 | 62 | 307200 | ||
| 377675291 | Sonam_Giri | B | June 7, 2026, 4:15 p.m. | OK | Python 3 | TESTS | 4 | 62 | 307200 | ||
| 377671286 | lsxh0 | B | June 7, 2026, 4:04 p.m. | OK | Python 3 | TESTS | 4 | 62 | 307200 | ||
| 377674376 | boopendranathc | B | June 7, 2026, 4:13 p.m. | OK | Python 3 | TESTS | 4 | 62 | 614400 | ||
| 377719312 | gooonn | B | June 8, 2026, 4 a.m. | OK | Python 3 | TESTS | 4 | 62 | 1433600 | ||
| 377713542 | chmpro | B | June 8, 2026, 1:37 a.m. | OK | Python 3 | TESTS | 4 | 62 | 1433600 | ||
| 377673626 | I_do_not_know_76 | B | June 7, 2026, 4:10 p.m. | OK | Python 3 | TESTS | 4 | 62 | 1433600 | ||
| 377692965 | rapplayerr | B | June 7, 2026, 5:54 p.m. | OK | Python 3 | TESTS | 4 | 62 | 1638400 | ||
| 377716065 | A_G | B | June 8, 2026, 2:51 a.m. | OK | Rust 2024 | TESTS | 4 | 15 | 0 | ||
| 377718106 | Mitanshu_Kelaiya | B | June 8, 2026, 3:35 a.m. | OK | Rust 2024 | TESTS | 4 | 31 | 0 | ||
| 377699740 | notxor | B | June 7, 2026, 7:22 p.m. | OK | Rust 2024 | TESTS | 4 | 31 | 0 |
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