haydendoo's profile

Name Hayden How
School Nanyang Polytechnic
Role cmanager
Country Singapore
View Submissions
Solved Problems
01knapsack 0405 1402 1503
1609 1821 3nplus1 3nplus1II
4russians 4sum 727 7up
GSS abbb abc_apio23 addition
addition2 addition3 addone adjacentswaps
adjlist adjmatrix aircon airplane
alienalien aliens amicablecats ancestor
appeal applefarm appletree area
area_noi arrayfind arraypartition arrayproblem
assembly assignpaths atm bacteria
badchef badpotato ballgame ballot
ballsofbuma bananafarm bananasmoothie bank
basketball beacon beareatrabbit belittle
bestplace binarycoins binaryroads binaryspells
bingo binomial blanko bobek
bombing bombing2 bookshelf boring
bosses bosubaiko boundedpermutation boundlessboxes
boxispull bracketex brackets bracketscore
bracketsyndrome breakfast brick buffet
build buildings burger burgers
buycoke buycomputer buygifts cake
cakerun candies candies2 candyboxes
candymountain_ex candyshop car card
cardgame2 cards cardtrick carpark
carrots catchingcheaters catfight catleap
catlunch ccs celldivision centroid
change charges cheerleaders chemistry
chessislands chinese choochoo christmasfeast
christmaxtrees chunlian clique clocktower
closedpath closedrooms closingshop cloudcomputing
cny coinbag coincombinations coinjourney
coke collectmushrooms collectmushrooms2 collectmushrooms3
collectmushrooms6 combo commando commonsubstring
competition conlang construct container
contestcalc convention conversations conversations_easy
convexhull cookieclickeralpha countalp cowland
cp2booksales crypto cuberoot cups
cyberland_apio23 deathray decayedbridges deletingnumbers
democracy deque descsort diamond
digits dijkstra dinowalk discharging
divideby2 divisibility dna_ioi dogmonkey
doll_noi domine dominoes dotjoin
doubletrouble dquery drones duckduckgo
ducktransport duckwander duckwar dyingpolynomial
eatcake eating eeducation eelimination
eeniemeenie eescapism eevacuation eexploration
employee entropy entropy2 equals
erp evenorodd exam examinations
exhibition exoticplants explosion exponentiate
exponentiate_ex expressways f7 factorial_easy
feast feedtheduck feedthewallabies feelgood
fenwicktree fenwicktree_easy ferries fibo
fibo_easy findinggrass_ex findingpavement fireandbeary
firelord firstabc fizzbuzz flamethrower
flappyrabbit flights floors flowering
flybot foodchain football foreveralone
fractional_knapsack fractions fraud frog3
frogs fruits fruitsequences fuel
fuelstation garden gcd gecko
general generosity gentlepairs gift
girlfriend globalwarming gohcart goodbye
goodgame goodprogrammer goodseq gotoschool
gotoschool_ex gotoubun graph graphcraft
grassplant greenbeans greeting grid
gridgame guanine guards guards_ex
guessproblem guessproblem2 guessqueue gwynethandtree
gymbadges hacking hamster1 happyarrays
harddisk hashcollision hdb heatwv
hedgehogcrimes_easy hellokitty helloworld helloworld2
hipercijevi history hld hole
homeworkextension hoofpaperscissor housing hungryrabbits1
hungryrabbits2 identifyinggirlfriends ihate1111 illuminate
index indivisibility inheritance inspections
installingapps intercastellar inversions ippt
iqtest iqtest2 iqtest3 island_boi
jumping2 jumpontree justright kas
kfc knapsack knightmoves kthsubstring
kusac labels ladybugs lampposts
laptop lasers lazycat lboard
lcm lcs leave leftright
lemonadestand lengthsort letters letterstamper
levelingup levenshtein lfs lightningrod
lightsflip lineup lineup2 lis
lis_easy ljll ljubomora llis
localexpress logs lol lostarray
lppfnlcst lps lratio lualectures
luarulers luckynumbers2 lunchbox lunchcombo
lvm magiccarps magicstring magicwand
makingparallelograms malcolm management mandarins
manycolours math mathtest matsuri
maximum medianheap medianstring mememagic
mice milkweed minimum mining
minstack missingnumber modsum modulochain
molecules moneychanger monopoly monsters
moosic motest2 mountains mrt
mugger naptime neckties nemo
network nevergiveup newjeans nextprime
nicenumber nihonese nis nonboringsequences
noodlestore nostatement nou nprime
numberfun numbergame numbers numericalstrings
nutritionist ny_mathexam obstacles obstacletree
omnomnom omnomnom2 optimalsubseq optmilk
oranges2 orchard oridance orz
packaging padoru paint pairs
pairsums palindromicfever palindromicfizzbuzz pandacity
pandaeyes papaya parade parallelogramfest
parallelogramisation party party_noi pascal
payraise peakfinding peddler peepeepoopoo
penguinfood penguinislands penguinmountain perfectprimes
performance personalspace picnic pigeonhole
pigeonnests pigeons pilot ping
pizzeria plagia poi pokeadd
pokenumbers poklon police postcard
potatosalad potatotree potionseasy potionshard
prefixsums pressstart prime primefactorization
primepie primesort problematicjourney promotion
psle purplecandy pushups pythonindentation
qualityinspections quillvsowl rabbitbars rabbiteatrabbit
rabbitmilk rabbitpainting rabbittolls race
railway rainbowrabbit rangedeleting rank
rarsum rarwall rating razlika
rblock rbpoints reachability reading
reciprocals rectangleoutline redblacktree removalcosts
reopening repairs replacedigits restaurant
rightangtri rmaxq roadsideadverts robobear
robot2 rolling rootedlca rotarylock
routers routes routine royalguards
rubies runway sailor samelength
sandcity sandd scalars scanner
sealevel segmenttree segmenttree2 sherlockinversions
shoes shopping shortest sightseeing
sightseeing2 simcity simp simplebridges
simpletask singlefile singleflip skillmoves
skyline slimes smallprimes smallprimes_ex
smurf smurfpaths snack snail
snakecode snakenladder snakesnack2 snapknack
sniper snowball snowcow socks
solonim sonya sort spaceinvaders
speakers special spellofweakness split2
splithunny square_ioi squidzofrenzic staircase
stamps stepgame sterilizing stickytape
stones stonk stories stringsofimpurity
subgraphs subknapsack subtaskstitching subwaytrip
sumint summarising2020 summarizing2021 summit
supermarket supplies swapsort swayingflowers
swords taxcollection telepathy telephone
timeexam topical tour tourist
tourist_noi towerdefense towers train
train_ex trains trains_mco transform
travel treepruning treepruning2 trivialexam_ex_ex
trivialmaths troubles twomeals typicalstairs
typo typoswap ultimateifelse umbrella
uniquenumbers universe unmerge usefft1
vainish variety veryeasyproblem volcanic
votingcities vouchers wabbit wabot
walking wall wallabyhop warp
watching waterbottles weddingcoins workload
workoutplan wormholes xmas xorb
yayornay zooqueue