Solutions are presented as using the least memory and the fastest execution time. It also takes the top
10 most recent solutions from each language. If you want to limit to a specific index, click the
"Solved" button and go to that problem.
Problems
Show us a smile! 😁 For a properly chosen (\mathrm{?}), the following equation holds: (\mathrm{U} + \mathrm{?} = \mathrm{HAPPY}). Output (\mathrm{?}), a string consisting of uppercase letters and numbers. |
Tutorials
Submissions
Submission Id |
Author(s) |
Index |
Submitted |
Verdict |
Language |
Test Set |
Tests Passed |
Time taken (ms) |
Memory Consumed (bytes) |
Tags |
Rating |
|
369315550 |
Sitarachand |
B |
April 2, 2026, 6:03 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
1 |
0 |
0 |
|
|
|
369313903 |
Inferno_47 |
B |
April 2, 2026, 5:43 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
1 |
0 |
0 |
|
|
|
369305417 |
Hexopia |
B |
April 2, 2026, 3:29 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
1 |
0 |
0 |
|
|
|
369304463 |
icpczjs |
B |
April 2, 2026, 3:13 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
1 |
0 |
0 |
|
|
|
369303679 |
hbn_nfls |
B |
April 2, 2026, 2:59 a.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
1 |
0 |
0 |
|
|
|
369295498 |
SRahul02 |
B |
April 1, 2026, 11:43 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
1 |
0 |
0 |
|
|
|
369292192 |
noor.yaser.k |
B |
April 1, 2026, 9:46 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
1 |
0 |
0 |
|
|
|
369290384 |
hpco |
B |
April 1, 2026, 9:05 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
1 |
0 |
0 |
|
|
|
369287800 |
Adiiiiiii |
B |
April 1, 2026, 8:24 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
1 |
0 |
0 |
|
|
|
369285103 |
Sandro295 |
B |
April 1, 2026, 7:46 p.m. |
OK |
C++17 (GCC 7-32) |
TESTS |
1 |
0 |
0 |
|
|
|
369310442 |
ahmadsho462 |
B |
April 2, 2026, 4:55 a.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
1 |
0 |
0 |
|
|
|
369304098 |
Shad_29 |
B |
April 2, 2026, 3:07 a.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
1 |
0 |
0 |
|
|
|
369300876 |
tw20000807 |
B |
April 2, 2026, 2:02 a.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
1 |
0 |
0 |
|
|
|
369292969 |
Berxwedan |
B |
April 1, 2026, 10:07 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
1 |
0 |
0 |
|
|
|
369287053 |
sarpong |
B |
April 1, 2026, 8:13 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
1 |
0 |
0 |
|
|
|
369278536 |
shivamranjan |
B |
April 1, 2026, 6:33 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
1 |
0 |
0 |
|
|
|
369276481 |
aryan.dagar |
B |
April 1, 2026, 6:17 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
1 |
0 |
0 |
|
|
|
369272102 |
dexp |
B |
April 1, 2026, 5:45 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
1 |
0 |
0 |
|
|
|
369271330 |
Andriy57 |
B |
April 1, 2026, 5:40 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
1 |
0 |
0 |
|
|
|
369269564 |
yaswanth06 |
B |
April 1, 2026, 5:27 p.m. |
OK |
C++20 (GCC 13-64) |
TESTS |
1 |
0 |
0 |
|
|
|
369315720 |
rikagami |
B |
April 2, 2026, 6:05 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
1 |
0 |
0 |
|
|
|
369314535 |
Being_Gorom |
B |
April 2, 2026, 5:51 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
1 |
0 |
0 |
|
|
|
369307220 |
Ahzzz |
B |
April 2, 2026, 3:59 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
1 |
0 |
0 |
|
|
|
369303928 |
yuugureyuu |
B |
April 2, 2026, 3:04 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
1 |
0 |
0 |
|
|
|
369298396 |
rawataditya415 |
B |
April 2, 2026, 1:05 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
1 |
0 |
0 |
|
|
|
369298390 |
ami_XR |
B |
April 2, 2026, 1:05 a.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
1 |
0 |
0 |
|
|
|
369295323 |
xTecna |
B |
April 1, 2026, 11:35 p.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
1 |
0 |
0 |
|
|
|
369293609 |
usfin1_ |
B |
April 1, 2026, 10:29 p.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
1 |
0 |
0 |
|
|
|
369290968 |
Hamza_OUE |
B |
April 1, 2026, 9:18 p.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
1 |
0 |
0 |
|
|
|
369290955 |
PBatikh |
B |
April 1, 2026, 9:17 p.m. |
OK |
C++23 (GCC 14-64, msys2) |
TESTS |
1 |
0 |
0 |
|
|
|
369265296 |
CaiShenLaoYe |
B |
April 1, 2026, 4:59 p.m. |
OK |
GNU C11 |
TESTS |
1 |
0 |
0 |
|
|
|
369279000 |
wootrine |
B |
April 1, 2026, 6:37 p.m. |
OK |
GNU C11 |
TESTS |
1 |
15 |
0 |
|
|
|
369271502 |
vvvDrew |
B |
April 1, 2026, 5:41 p.m. |
OK |
GNU C11 |
TESTS |
1 |
15 |
0 |
|
|
|
369258373 |
COMPETITIVE_KRISH |
B |
April 1, 2026, 4:32 p.m. |
OK |
GNU C11 |
TESTS |
1 |
15 |
0 |
|
|
|
369257646 |
itz_krish_gupta |
B |
April 1, 2026, 4:31 p.m. |
OK |
GNU C11 |
TESTS |
1 |
15 |
0 |
|
|
|
369281552 |
glebsamsonov |
B |
April 1, 2026, 7:04 p.m. |
OK |
Go |
TESTS |
1 |
31 |
0 |
|
|
|
369269747 |
fatal-98 |
B |
April 1, 2026, 5:29 p.m. |
OK |
Java 21 |
TESTS |
1 |
78 |
0 |
|
|
|
369273242 |
AdityaAmanAir |
B |
April 1, 2026, 5:54 p.m. |
OK |
Java 21 |
TESTS |
1 |
93 |
0 |
|
|
|
369263925 |
Ankit_K_47 |
B |
April 1, 2026, 4:50 p.m. |
OK |
Java 21 |
TESTS |
1 |
93 |
409600 |
|
|
|
369306150 |
Akshay_devadiga |
B |
April 2, 2026, 3:41 a.m. |
OK |
Java 21 |
TESTS |
1 |
109 |
0 |
|
|
|
369304715 |
begmurodov_12 |
B |
April 2, 2026, 3:17 a.m. |
OK |
Java 21 |
TESTS |
1 |
109 |
0 |
|
|
|
369304002 |
maheshmishra1069 |
B |
April 2, 2026, 3:05 a.m. |
OK |
Java 21 |
TESTS |
1 |
109 |
0 |
|
|
|
369291941 |
abhi_theq |
B |
April 1, 2026, 9:40 p.m. |
OK |
Java 21 |
TESTS |
1 |
109 |
0 |
|
|
|
369262436 |
kushgupta1709 |
B |
April 1, 2026, 4:42 p.m. |
OK |
Java 21 |
TESTS |
1 |
109 |
204800 |
|
|
|
369265618 |
yashtk_14 |
B |
April 1, 2026, 5:01 p.m. |
OK |
Java 21 |
TESTS |
1 |
125 |
0 |
|
|
|
369264746 |
thucnmce200458 |
B |
April 1, 2026, 4:55 p.m. |
OK |
Java 21 |
TESTS |
1 |
125 |
0 |
|
|
|
369314611 |
adibhai0845R |
B |
April 2, 2026, 5:52 a.m. |
OK |
Java 8 |
TESTS |
1 |
46 |
0 |
|
|
|
369264388 |
ranjitkumar875 |
B |
April 1, 2026, 4:53 p.m. |
OK |
Java 8 |
TESTS |
1 |
46 |
0 |
|
|
|
369304695 |
Abb0sX |
B |
April 2, 2026, 3:17 a.m. |
OK |
Java 8 |
TESTS |
1 |
78 |
0 |
|
|
|
369274813 |
rudranshi_mittal |
B |
April 1, 2026, 6:05 p.m. |
OK |
Java 8 |
TESTS |
1 |
78 |
0 |
|
|
|
369269803 |
dskan |
B |
April 1, 2026, 5:29 p.m. |
OK |
Java 8 |
TESTS |
1 |
78 |
0 |
|
|
|
369289807 |
quacksire zanda.zhu |
B |
April 1, 2026, 8:55 p.m. |
OK |
Java 8 |
TESTS |
1 |
93 |
0 |
|
|
|
369286484 |
CodeLover2007 |
B |
April 1, 2026, 8:05 p.m. |
OK |
Java 8 |
TESTS |
1 |
93 |
0 |
|
|
|
369271808 |
Wamolve |
B |
April 1, 2026, 5:43 p.m. |
OK |
PHP |
TESTS |
1 |
0 |
0 |
|
|
|
369264931 |
YhuanDebeste |
B |
April 1, 2026, 4:56 p.m. |
OK |
PHP |
TESTS |
1 |
0 |
0 |
|
|
|
369264163 |
SchwarzeKampfflieger42 |
B |
April 1, 2026, 4:52 p.m. |
OK |
PHP |
TESTS |
1 |
0 |
0 |
|
|
|
369310183 |
dapingguo8 |
B |
April 2, 2026, 4:51 a.m. |
OK |
PHP |
TESTS |
1 |
15 |
0 |
|
|
|
369302782 |
Brackets12 |
B |
April 2, 2026, 2:42 a.m. |
OK |
PHP |
TESTS |
1 |
15 |
0 |
|
|
|
369301809 |
Coast23 |
B |
April 2, 2026, 2:24 a.m. |
OK |
PHP |
TESTS |
1 |
15 |
0 |
|
|
|
369301582 |
begin |
B |
April 2, 2026, 2:19 a.m. |
OK |
PHP |
TESTS |
1 |
15 |
0 |
|
|
|
369288894 |
415411 |
B |
April 1, 2026, 8:39 p.m. |
OK |
PHP |
TESTS |
1 |
15 |
0 |
|
|
|
369288799 |
415411 |
B |
April 1, 2026, 8:38 p.m. |
OK |
PHP |
TESTS |
1 |
15 |
0 |
|
|
|
369266547 |
AYTDD |
B |
April 1, 2026, 5:07 p.m. |
OK |
PHP |
TESTS |
1 |
15 |
0 |
|
|
|
369311971 |
SykoDaedalus |
B |
April 2, 2026, 5:17 a.m. |
OK |
PyPy 2 |
TESTS |
1 |
15 |
0 |
|
|
|
369304762 |
paragpatkulkar123 |
B |
April 2, 2026, 3:18 a.m. |
OK |
PyPy 2 |
TESTS |
1 |
31 |
0 |
|
|
|
369287462 |
alifahmy1 HotDiggityDog Safawt |
B |
April 1, 2026, 8:19 p.m. |
OK |
PyPy 2 |
TESTS |
1 |
31 |
0 |
|
|
|
369268783 |
Manisha0369 |
B |
April 1, 2026, 5:22 p.m. |
OK |
PyPy 2 |
TESTS |
1 |
31 |
0 |
|
|
|
369268013 |
Ngeces |
B |
April 1, 2026, 5:16 p.m. |
OK |
PyPy 2 |
TESTS |
1 |
31 |
0 |
|
|
|
369267501 |
theoneandonlytron |
B |
April 1, 2026, 5:13 p.m. |
OK |
PyPy 2 |
TESTS |
1 |
31 |
0 |
|
|
|
369263559 |
Devilarc |
B |
April 1, 2026, 4:48 p.m. |
OK |
PyPy 2 |
TESTS |
1 |
31 |
0 |
|
|
|
369254245 |
huazai676 |
B |
April 1, 2026, 4:27 p.m. |
OK |
PyPy 2 |
TESTS |
1 |
31 |
0 |
|
|
|
369264246 |
TeletubiGaim33 |
B |
April 1, 2026, 4:52 p.m. |
OK |
PyPy 2 |
TESTS |
1 |
46 |
0 |
|
|
|
369296161 |
bpdolson |
B |
April 2, 2026, 12:12 a.m. |
OK |
PyPy 3 |
TESTS |
1 |
31 |
0 |
|
|
|
369287251 |
GuilhermeKK |
B |
April 1, 2026, 8:16 p.m. |
OK |
PyPy 3 |
TESTS |
1 |
31 |
0 |
|
|
|
369258192 |
Wawi |
B |
April 1, 2026, 4:31 p.m. |
OK |
PyPy 3 |
TESTS |
1 |
31 |
0 |
|
|
|
369296838 |
surajchip2 |
B |
April 2, 2026, 12:32 a.m. |
OK |
PyPy 3 |
TESTS |
1 |
31 |
102400 |
|
|
|
369311793 |
Darkwing_ |
B |
April 2, 2026, 5:15 a.m. |
OK |
PyPy 3 |
TESTS |
1 |
46 |
0 |
|
|
|
369311683 |
brendonw |
B |
April 2, 2026, 5:13 a.m. |
OK |
PyPy 3 |
TESTS |
1 |
46 |
0 |
|
|
|
369308743 |
mishtiagrawal02 |
B |
April 2, 2026, 4:25 a.m. |
OK |
PyPy 3 |
TESTS |
1 |
46 |
0 |
|
|
|
369265847 |
efishel |
B |
April 1, 2026, 5:02 p.m. |
OK |
PyPy 3 |
TESTS |
1 |
46 |
0 |
|
|
|
369263708 |
ps2006 |
B |
April 1, 2026, 4:49 p.m. |
OK |
PyPy 3 |
TESTS |
1 |
46 |
0 |
|
|
|
369275806 |
nourabbes_ |
B |
April 1, 2026, 6:13 p.m. |
OK |
PyPy 3 |
TESTS |
1 |
62 |
0 |
|
|
|
369304657 |
Sheikah |
B |
April 2, 2026, 3:16 a.m. |
OK |
PyPy 3-64 |
TESTS |
1 |
0 |
0 |
|
|
|
369313626 |
SsyHow |
B |
April 2, 2026, 5:39 a.m. |
OK |
PyPy 3-64 |
TESTS |
1 |
15 |
0 |
|
|
|
369307369 |
gia_khiem26 |
B |
April 2, 2026, 4:01 a.m. |
OK |
PyPy 3-64 |
TESTS |
1 |
15 |
0 |
|
|
|
369299909 |
andycoke |
B |
April 2, 2026, 1:40 a.m. |
OK |
PyPy 3-64 |
TESTS |
1 |
15 |
0 |
|
|
|
369299812 |
Tinh |
B |
April 2, 2026, 1:38 a.m. |
OK |
PyPy 3-64 |
TESTS |
1 |
15 |
0 |
|
|
|
369299104 |
tahavaliji53 |
B |
April 2, 2026, 1:21 a.m. |
OK |
PyPy 3-64 |
TESTS |
1 |
15 |
0 |
|
|
|
369298567 |
Austin4.5 |
B |
April 2, 2026, 1:09 a.m. |
OK |
PyPy 3-64 |
TESTS |
1 |
15 |
0 |
|
|
|
369296125 |
rhineofts |
B |
April 2, 2026, 12:10 a.m. |
OK |
PyPy 3-64 |
TESTS |
1 |
15 |
0 |
|
|
|
369295787 |
DreamChaser |
B |
April 1, 2026, 11:55 p.m. |
OK |
PyPy 3-64 |
TESTS |
1 |
15 |
0 |
|
|
|
369288624 |
Fghtk |
B |
April 1, 2026, 8:35 p.m. |
OK |
PyPy 3-64 |
TESTS |
1 |
15 |
0 |
|
|
|
369312128 |
05_Shivansh |
B |
April 2, 2026, 5:20 a.m. |
OK |
Python 2 |
TESTS |
1 |
15 |
0 |
|
|
|
369307342 |
The_Believer07 |
B |
April 2, 2026, 4:01 a.m. |
OK |
Python 2 |
TESTS |
1 |
15 |
0 |
|
|
|
369305395 |
ANANDANATARAJ_ANAND |
B |
April 2, 2026, 3:28 a.m. |
OK |
Python 2 |
TESTS |
1 |
15 |
0 |
|
|
|
369283016 |
Yug_Gabani |
B |
April 1, 2026, 7:19 p.m. |
OK |
Python 2 |
TESTS |
1 |
31 |
0 |
|
|
|
369273166 |
codevengers |
B |
April 1, 2026, 5:53 p.m. |
OK |
Python 2 |
TESTS |
1 |
31 |
0 |
|
|
|
369257095 |
sangeeth224 |
B |
April 1, 2026, 4:30 p.m. |
OK |
Python 2 |
TESTS |
1 |
31 |
0 |
|
|
|
369294768 |
-nameless- |
B |
April 1, 2026, 11:14 p.m. |
OK |
Python 3 |
TESTS |
1 |
0 |
0 |
|
|
|
369265242 |
shubh-varshney |
B |
April 1, 2026, 4:58 p.m. |
OK |
Python 3 |
TESTS |
1 |
15 |
0 |
|
|
|
369263459 |
Argentum47 |
B |
April 1, 2026, 4:48 p.m. |
OK |
Python 3 |
TESTS |
1 |
15 |
0 |
|
|
|
369315769 |
Mahithi_08 |
B |
April 2, 2026, 6:06 a.m. |
OK |
Python 3 |
TESTS |
1 |
31 |
0 |
|
|
|
369309243 |
huythedev |
B |
April 2, 2026, 4:34 a.m. |
OK |
Python 3 |
TESTS |
1 |
31 |
0 |
|
|
|
369299768 |
Muhammad_Ali_ |
B |
April 2, 2026, 1:37 a.m. |
OK |
Python 3 |
TESTS |
1 |
31 |
0 |
|
|
|
369293453 |
Clownpiece |
B |
April 1, 2026, 10:23 p.m. |
OK |
Python 3 |
TESTS |
1 |
31 |
0 |
|
|
|
369284748 |
anjay1011 |
B |
April 1, 2026, 7:41 p.m. |
OK |
Python 3 |
TESTS |
1 |
31 |
0 |
|
|
|
369276775 |
Dark_Horse18 |
B |
April 1, 2026, 6:20 p.m. |
OK |
Python 3 |
TESTS |
1 |
31 |
0 |
|
|
|
369271278 |
SkyBlue128 |
B |
April 1, 2026, 5:39 p.m. |
OK |
Python 3 |
TESTS |
1 |
31 |
0 |
|
|
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