yhkhoo's profile

Name Khoo Yu Hern
School NUS High School of Math and Science
Role admin
Country Singapore
View Submissions
Solved Problems
01knapsack 1609 1821 3nplus1
3nplus1II 4sum GSS addictiontoworry
addition addition2 adjlist adjmatrix
ancestor ants applebaskets area
area_noi arrayfind assembly atleasttripledate
atm bacteria bananafarm bananasmoothie
basement beareatrabbit bestplace binarycoins
binarylock binarysearch bobek boxinbox
boxispull bracketex breakfast brick
buycoke buygifts buyingcandy candies
candymountain_ex car card cardtrick
catfight catlunch ccs childsetter6
chimera choochoo clique closedpath
coincombinations cokemoresugar collectmushrooms collectmushrooms2
collectmushrooms3 collectmushrooms6 competition contestcalc
countalp couples cuberoot cups
descsort diamond digits dijkstra
do_you_like_me downbad duckeatant duckhunt
duckhunt13 duckhunt19 duckhunt22 duckhunt3
duckhunt35 duckhunt39 duckhunt4 duckhunt5
dyingpolynomial dynamicdag eeducation eight
eta evenorodd everyonewinstherace exam
examinations exponentiate exponentiate_ex factorial
factorial_easy factorial_ex fenwicktree fibo
figurines findinggf fizzbuzz flamethrower
flip flipcards flybot foodchain
foreveralone fortunetelling fraud gcd
gecko generosity gfriendmania gift
giselle globalwarming gohcart2 goodprogrammer
goofyrooks goombatower gotoschool graph
grassplant greeting guanine gwynethandtree
hamster1 helloworld helloworld2 hipercijevi
hld identifyinggirlfriends ippt iqtest3
jumpontree koopatroopacave kovanice labels
lcs learning leenbeetree lemonade
lemonade2 lengthsort letters letterstamper
lightningrod lineup lis lis_easy
littlejohnny3 ljubomora lllontree losingsleep
luarulers lunchbox lvm makingparallelograms
management mathmadness maximum medianstring
minimum moneychanger monsters monsters2
morexiaoyang mountains movingbasement mrbeast
mrt network ningning nis
nonboringsequences nprime obstacletree omnomnom
omnomnom2 oranges2 padoru paint
pairsums palindromicfizzbuzz pandaeyes park
party party_noi pascal payraise
penguinmountain photo pigeons pilot
plagia platonic22 platonic30 platonic31
plural poklon potatosalad powervillage
prefixsums prime problemsetter2 psle
purplecandy rabbiteatrabbit rainbowroad rangerangequery
razlika replacedigits replacingpavement rightangtri
rmaxq rookable rootedlca rotarylock
scalars segmenttree segmenttree2 segmenttreebeats
shamelessad shamelessad4 shamelessad6 shuttlerun
simp skibuddy smurf smurfpaths
snack snowball sort sos
speakers specialgirlfriends splithunny squarerect
squidzofrenzic staircase stamps stepgame
sterilizing stones strikes subgraphs
subtaskstitching sumint summarising2025 swayingflowers
swords taxcollection thumper2 timeexam
topical tourist_noi trains trampoline
trapezes treepruning typicalstairs typo
typoswap ultimateifelse uniquenumbers unluckyfloors
verticallychallenged veryeasyproblem weddingcoins whackamole
winter wires worldline xmas
xuehuapiaopiao youtubealgo zanesgift zanesletters
zooqueue