Solutions are presented as using the least memory and the fastest execution time. It also takes the top
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"Solved" button and go to that problem.
Problems
An integer (n) is said to be good if it contains at most two distinct digits in its decimal representation. For example, the integers (3), (8588), (67) are good, whereas the integers (123), (9447) are not. You are given an integer (x) ((1 \le x \lt 10^8)), which is good. Your task is to find an integer (y) ((2 \le y \le 10^9)) such that both of the following conditions are satisfied: (y) is good. (x \times y) is good. The first line contains an integer (t) ((1 \le t \le 10^4)) — the number of test cases. The description of each test case follows. Each test case contains a single integer (x) ((1 \le x \lt 10^8)). It is guaranteed that (x) is good. For each test case, print a single integer (y) ((2 \le y \le 10^9)) such that both the integers (y) and (x \times y) are good. If there are multiple valid answers, output any one of them. For the first test case, we have (x = 8); choosing (y = 11) is valid because both (y = 11) and (x \times y = 88) are good. For the second test case, we have (x = 73); choosing (y = 4) is valid because both (y = 4) and (x \times y = 292) are good. |
Tutorials
Submissions
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|
380907028 |
sasafied |
B |
July 1, 2026, noon |
OK |
C# 13 |
TESTS |
22 |
93 |
716800 |
|
|
|
380894368 |
h4n_s |
B |
July 1, 2026, 10:11 a.m. |
OK |
C# 13 |
TESTS |
22 |
109 |
614400 |
|
|
|
380946522 |
kamisama02 |
B |
July 1, 2026, 5:56 p.m. |
OK |
C# 13 |
TESTS |
22 |
109 |
1843200 |
|
|
|
380978309 |
Rudra_786 |
B |
July 2, 2026, 5:08 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
22 |
31 |
0 |
|
|
|
380976760 |
timgo2025 |
B |
July 2, 2026, 4:42 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
22 |
31 |
0 |
|
|
|
380964204 |
X3N0N |
B |
July 1, 2026, 11:25 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
22 |
31 |
0 |
|
|
|
380962356 |
miridonik |
B |
July 1, 2026, 10:15 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
22 |
31 |
0 |
|
|
|
380952145 |
Harsh9988 |
B |
July 1, 2026, 6:56 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
22 |
31 |
0 |
|
|
|
380943898 |
shydan |
B |
July 1, 2026, 5:29 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
22 |
31 |
0 |
|
|
|
380937591 |
tapstrafer |
B |
July 1, 2026, 4:24 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
22 |
31 |
0 |
|
|
|
380933740 |
Spiderman62626 |
B |
July 1, 2026, 3:46 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
22 |
31 |
0 |
|
|
|
380931825 |
Alankrit06 |
B |
July 1, 2026, 3:28 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
22 |
31 |
0 |
|
|
|
380931596 |
learn2coding_85 |
B |
July 1, 2026, 3:25 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
22 |
31 |
0 |
|
|
|
380982355 |
iRish_Ai38 |
B |
July 2, 2026, 6:07 a.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
22 |
31 |
0 |
|
|
|
380971191 |
bskchaitanya |
B |
July 2, 2026, 2:59 a.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
22 |
31 |
0 |
|
|
|
380968748 |
travel. |
B |
July 2, 2026, 2:02 a.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
22 |
31 |
0 |
|
|
|
380961176 |
wildhonestfur |
B |
July 1, 2026, 9:39 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
22 |
31 |
0 |
|
|
|
380946506 |
yaseralmerstani |
B |
July 1, 2026, 5:56 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
22 |
31 |
0 |
|
|
|
380945739 |
sqrtFan |
B |
July 1, 2026, 5:48 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
22 |
31 |
0 |
|
|
|
380943958 |
IntriguedBytes |
B |
July 1, 2026, 5:29 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
22 |
31 |
0 |
|
|
|
380939647 |
lazycoderZ |
B |
July 1, 2026, 4:45 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
22 |
31 |
0 |
|
|
|
380939445 |
BoyIndigo |
B |
July 1, 2026, 4:43 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
22 |
31 |
0 |
|
|
|
380935943 |
Nazia_Hasan |
B |
July 1, 2026, 4:08 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
22 |
31 |
0 |
|
|
|
380980686 |
chongryong |
B |
July 2, 2026, 5:44 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
22 |
31 |
0 |
|
|
|
380979030 |
byte__buster |
B |
July 2, 2026, 5:21 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
22 |
31 |
0 |
|
|
|
380978637 |
new_coder23 |
B |
July 2, 2026, 5:14 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
22 |
31 |
0 |
|
|
|
380977889 |
mumuksh736 |
B |
July 2, 2026, 5:01 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
22 |
31 |
0 |
|
|
|
380975036 |
Preet3375 |
B |
July 2, 2026, 4:10 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
22 |
31 |
0 |
|
|
|
380974725 |
tanimduckduck |
B |
July 2, 2026, 4:04 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
22 |
31 |
0 |
|
|
|
380972511 |
dangthanhmay |
B |
July 2, 2026, 3:25 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
22 |
31 |
0 |
|
|
|
380971252 |
vinitsangwan1619235 |
B |
July 2, 2026, 3 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
22 |
31 |
0 |
|
|
|
380971198 |
mr84amini |
B |
July 2, 2026, 2:59 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
22 |
31 |
0 |
|
|
|
380971015 |
LiuLiaoyi |
B |
July 2, 2026, 2:55 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
22 |
31 |
0 |
|
|
|
380904674 |
SHAHRIAR_MAHI |
B |
July 1, 2026, 11:41 a.m. |
OK |
GNU C11 |
TESTS |
22 |
15 |
102400 |
|
|
|
380871317 |
rohanalwal1305 |
B |
July 1, 2026, 6:02 a.m. |
OK |
GNU C11 |
TESTS |
22 |
31 |
102400 |
|
|
|
380903962 |
Harshith1104 |
B |
July 1, 2026, 11:35 a.m. |
OK |
GNU C11 |
TESTS |
22 |
62 |
102400 |
|
|
|
380884347 |
xin1_ |
B |
July 1, 2026, 8:43 a.m. |
OK |
GNU C11 |
TESTS |
22 |
62 |
102400 |
|
|
|
380868801 |
ojasdhok12 |
B |
July 1, 2026, 5:31 a.m. |
OK |
GNU C11 |
TESTS |
22 |
62 |
102400 |
|
|
|
380944572 |
GambhirKripanidhan |
B |
July 1, 2026, 5:36 p.m. |
OK |
GNU C11 |
TESTS |
22 |
62 |
204800 |
|
|
|
380919079 |
songhai_Lin |
B |
July 1, 2026, 1:38 p.m. |
OK |
GNU C11 |
TESTS |
22 |
78 |
0 |
|
|
|
380887921 |
KrishaThakarar |
B |
July 1, 2026, 9:16 a.m. |
OK |
GNU C11 |
TESTS |
22 |
78 |
102400 |
|
|
|
380847419 |
Jaiarora09 |
B |
June 30, 2026, 8:08 p.m. |
OK |
GNU C11 |
TESTS |
22 |
109 |
102400 |
|
|
|
380862204 |
ShlokHShah |
B |
July 1, 2026, 3:50 a.m. |
OK |
GNU C11 |
TESTS |
22 |
125 |
204800 |
|
|
|
380848293 |
smallpipol805 |
B |
June 30, 2026, 8:23 p.m. |
OK |
Go |
TESTS |
22 |
46 |
1126400 |
|
|
|
380866924 |
irahensa |
B |
July 1, 2026, 5:04 a.m. |
OK |
Go |
TESTS |
22 |
203 |
4300800 |
|
|
|
380945994 |
Anmol_ZEZX |
B |
July 1, 2026, 5:51 p.m. |
OK |
Java 21 |
TESTS |
22 |
187 |
716800 |
|
|
|
380867577 |
Aaditya01Sehgal |
B |
July 1, 2026, 5:14 a.m. |
OK |
Java 21 |
TESTS |
22 |
203 |
1331200 |
|
|
|
380909334 |
dxtmanav |
B |
July 1, 2026, 12:21 p.m. |
OK |
Java 21 |
TESTS |
22 |
218 |
409600 |
|
|
|
380973991 |
Utsav-Patel |
B |
July 2, 2026, 3:52 a.m. |
OK |
Java 21 |
TESTS |
22 |
218 |
921600 |
|
|
|
380845317 |
Rag__hav |
B |
June 30, 2026, 7:32 p.m. |
OK |
Java 21 |
TESTS |
22 |
218 |
1126400 |
|
|
|
380940841 |
Govind66 |
B |
July 1, 2026, 4:57 p.m. |
OK |
Java 21 |
TESTS |
22 |
218 |
1228800 |
|
|
|
380886906 |
JohnKramer |
B |
July 1, 2026, 9:07 a.m. |
OK |
Java 21 |
TESTS |
22 |
218 |
1433600 |
|
|
|
380858309 |
kishanbhadra |
B |
July 1, 2026, 2:32 a.m. |
OK |
Java 21 |
TESTS |
22 |
218 |
1536000 |
|
|
|
380941026 |
Badass_Nemesis |
B |
July 1, 2026, 4:59 p.m. |
OK |
Java 21 |
TESTS |
22 |
234 |
512000 |
|
|
|
380936786 |
AyushZy23032005 |
B |
July 1, 2026, 4:16 p.m. |
OK |
Java 21 |
TESTS |
22 |
234 |
819200 |
|
|
|
380888219 |
hariom-26 |
B |
July 1, 2026, 9:18 a.m. |
OK |
Java 8 |
TESTS |
22 |
125 |
0 |
|
|
|
380910246 |
TheJavaGuy |
B |
July 1, 2026, 12:28 p.m. |
OK |
Java 8 |
TESTS |
22 |
156 |
0 |
|
|
|
380901284 |
Tharun_Reddy_ |
B |
July 1, 2026, 11:13 a.m. |
OK |
Java 8 |
TESTS |
22 |
156 |
0 |
|
|
|
380947441 |
vrajbirje |
B |
July 1, 2026, 6:05 p.m. |
OK |
Java 8 |
TESTS |
22 |
171 |
0 |
|
|
|
380943943 |
_Karthik_22 |
B |
July 1, 2026, 5:29 p.m. |
OK |
Java 8 |
TESTS |
22 |
171 |
0 |
|
|
|
380867678 |
PrakharGarg |
B |
July 1, 2026, 5:15 a.m. |
OK |
Java 8 |
TESTS |
22 |
171 |
0 |
|
|
|
380972460 |
rizzing |
B |
July 2, 2026, 3:24 a.m. |
OK |
Java 8 |
TESTS |
22 |
187 |
0 |
|
|
|
380934850 |
Vishalll_ |
B |
July 1, 2026, 3:58 p.m. |
OK |
Java 8 |
TESTS |
22 |
187 |
0 |
|
|
|
380885544 |
Ell |
B |
July 1, 2026, 8:55 a.m. |
OK |
Java 8 |
TESTS |
22 |
187 |
0 |
|
|
|
380868847 |
random2347 |
B |
July 1, 2026, 5:31 a.m. |
OK |
Java 8 |
TESTS |
22 |
187 |
0 |
|
|
|
380875804 |
AishwaryaR |
B |
July 1, 2026, 7:06 a.m. |
OK |
Kotlin 1.7 |
TESTS |
22 |
343 |
2150400 |
|
|
|
380941626 |
atul_07 |
B |
July 1, 2026, 5:06 p.m. |
OK |
Kotlin 2.2 |
TESTS |
22 |
140 |
0 |
|
|
|
380854442 |
Golovanov399 |
B |
June 30, 2026, 11:28 p.m. |
OK |
Kotlin 2.2 |
TESTS |
22 |
187 |
0 |
|
|
|
380980344 |
170zhiyixi |
B |
July 2, 2026, 5:40 a.m. |
OK |
Node.js |
TESTS |
22 |
203 |
8396800 |
|
|
|
380941577 |
Ayu7004 |
B |
July 1, 2026, 5:05 p.m. |
OK |
PyPy 3 |
TESTS |
22 |
93 |
2867200 |
|
|
|
380943662 |
imaginary_faye |
B |
July 1, 2026, 5:26 p.m. |
OK |
PyPy 3 |
TESTS |
22 |
156 |
3584000 |
|
|
|
380936183 |
pizet |
B |
July 1, 2026, 4:10 p.m. |
OK |
PyPy 3 |
TESTS |
22 |
156 |
4198400 |
|
|
|
380866581 |
reshuu_7 |
B |
July 1, 2026, 5 a.m. |
OK |
PyPy 3 |
TESTS |
22 |
171 |
3788800 |
|
|
|
380857912 |
ShivangB |
B |
July 1, 2026, 2:24 a.m. |
OK |
PyPy 3 |
TESTS |
22 |
203 |
7065600 |
|
|
|
380904104 |
jumper12 |
B |
July 1, 2026, 11:36 a.m. |
OK |
PyPy 3 |
TESTS |
22 |
218 |
5120000 |
|
|
|
380931532 |
chaithu101 |
B |
July 1, 2026, 3:25 p.m. |
OK |
PyPy 3 |
TESTS |
22 |
218 |
7372800 |
|
|
|
380855228 |
Navjeet_005 |
B |
July 1, 2026, 1:13 a.m. |
OK |
PyPy 3 |
TESTS |
22 |
296 |
8499200 |
|
|
|
380857815 |
clayzanePy |
B |
July 1, 2026, 2:21 a.m. |
OK |
PyPy 3-64 |
TESTS |
22 |
62 |
3584000 |
|
|
|
380916617 |
amsel8811 |
B |
July 1, 2026, 1:18 p.m. |
OK |
PyPy 3-64 |
TESTS |
22 |
78 |
2048000 |
|
|
|
380907996 |
VoidRanger |
B |
July 1, 2026, 12:09 p.m. |
OK |
PyPy 3-64 |
TESTS |
22 |
78 |
2662400 |
|
|
|
380943866 |
doubtfulfish |
B |
July 1, 2026, 5:28 p.m. |
OK |
PyPy 3-64 |
TESTS |
22 |
78 |
2867200 |
|
|
|
380857786 |
GojoNLP |
B |
July 1, 2026, 2:21 a.m. |
OK |
PyPy 3-64 |
TESTS |
22 |
78 |
3072000 |
|
|
|
380932454 |
urashima |
B |
July 1, 2026, 3:34 p.m. |
OK |
PyPy 3-64 |
TESTS |
22 |
78 |
3174400 |
|
|
|
380967569 |
adam-al-rahman |
B |
July 2, 2026, 1:27 a.m. |
OK |
PyPy 3-64 |
TESTS |
22 |
78 |
3379200 |
|
|
|
380845153 |
jahongirholmatov |
B |
June 30, 2026, 7:29 p.m. |
OK |
PyPy 3-64 |
TESTS |
22 |
78 |
3481600 |
|
|
|
380962837 |
calicali |
B |
July 1, 2026, 10:32 p.m. |
OK |
PyPy 3-64 |
TESTS |
22 |
93 |
2764800 |
|
|
|
380914081 |
EliteCoder_77 |
B |
July 1, 2026, 12:57 p.m. |
OK |
PyPy 3-64 |
TESTS |
22 |
93 |
2764800 |
|
|
|
380972657 |
TheNameIs_ROY |
B |
July 2, 2026, 3:28 a.m. |
OK |
Python 3 |
TESTS |
22 |
62 |
102400 |
|
|
|
380847122 |
Yolz |
B |
June 30, 2026, 8:02 p.m. |
OK |
Python 3 |
TESTS |
22 |
62 |
102400 |
|
|
|
380844826 |
Yolz |
B |
June 30, 2026, 7:24 p.m. |
OK |
Python 3 |
TESTS |
22 |
62 |
102400 |
|
|
|
380863761 |
mdhzarif03 |
B |
July 1, 2026, 4:17 a.m. |
OK |
Python 3 |
TESTS |
22 |
62 |
1433600 |
|
|
|
380842869 |
Mirpasha |
B |
June 30, 2026, 6:54 p.m. |
OK |
Python 3 |
TESTS |
22 |
62 |
1433600 |
|
|
|
380890476 |
amanjaiswal__143 |
B |
July 1, 2026, 9:37 a.m. |
OK |
Python 3 |
TESTS |
22 |
62 |
1536000 |
|
|
|
380975086 |
Tanush_07 |
B |
July 2, 2026, 4:11 a.m. |
OK |
Python 3 |
TESTS |
22 |
78 |
0 |
|
|
|
380957988 |
mohannadJD |
B |
July 1, 2026, 8:27 p.m. |
OK |
Python 3 |
TESTS |
22 |
78 |
0 |
|
|
|
380865096 |
taagcgaat |
B |
July 1, 2026, 4:38 a.m. |
OK |
Python 3 |
TESTS |
22 |
78 |
0 |
|
|
|
380843225 |
migbar06 |
B |
June 30, 2026, 6:59 p.m. |
OK |
Python 3 |
TESTS |
22 |
78 |
102400 |
|
|
|
380951520 |
WiseMrMusa |
B |
July 1, 2026, 6:48 p.m. |
OK |
Rust 2021 |
TESTS |
22 |
31 |
102400 |
|
|
|
380860960 |
Tantellam |
B |
July 1, 2026, 3:26 a.m. |
OK |
Rust 2024 |
TESTS |
22 |
31 |
0 |
|
|
|
380932657 |
NemesisX |
B |
July 1, 2026, 3:36 p.m. |
OK |
Rust 2024 |
TESTS |
22 |
46 |
0 |
|
|
|
380931291 |
ruanxiaoyu |
B |
July 1, 2026, 3:23 p.m. |
OK |
Rust 2024 |
TESTS |
22 |
46 |
0 |
|
|
|
380891974 |
cinkozzz |
B |
July 1, 2026, 9:50 a.m. |
OK |
Rust 2024 |
TESTS |
22 |
46 |
0 |
|
|
|
380861126 |
nesime |
B |
July 1, 2026, 3:29 a.m. |
OK |
Rust 2024 |
TESTS |
22 |
46 |
0 |
|
|
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