hmm's profile

Name Ding Chenghao
School NUS High School
Role admin
Country Singapore
View Submissions
Solved Problems
01knapsack 0405 1609 1821
3nplus1 3nplus1II 4russians 4sum
727 7up GSS UCFJ
abbb acorns addition addition2
addition3 addk adjlist adjmatrix
aircon airplane alienalien amicablecats
ancestor animaleditor ants anutforajaroftuna
applefarm appletree archaeologist area
area_noi armpit arrayfind arraygraph
arraypartition arrayproblem assembly atm
attention attractions bacteria badnim
badpotato badtree ballgame ballot
bananafarm bananafever bananasmoothie bank
banks basement basketball battleship
beareatrabbit becomingred belittle bestplace
bigbinarytree binarycoins binarylock binaryroads
binaryspells bingeeating bizarrebuffet blanko
bobek bombing2 bookshelf bossbattle
bosses boundedpermutation boundlessboxes boxes2
boxes_hkicpc boxhaskey boxinbox boxispull
bracketex brackets bracketscore bracketsyndrome
brainrot breakfast brick bridge_apio15
bubblesort buffet bunnyscore burger
buycoke buycomputer buygifts buyingcandy
cake cake3 cakerun camels
candies candies_joi candyboxes candymountain_ex
candyshop car card cards
carpark carrots catchingcheaters catdog
catfight catleap catlunch ccs
charges cheerleaders chessislands childsetter3
childvschild chinese choochoo christmasfeast
christmasfiboseq christmastree christmasturkeyfarm christmaxtrees
cht chunlian cinema clique
clocktower closedpath closedrooms closingshop
cny coin coinbag coincombinations
coinjourney coke cokelesssugar collaboration
collectmushrooms collectmushrooms2 collectmushrooms3 collectmushrooms4
collectmushrooms5 collectmushrooms6 commando commonsubstring
competition conductslip conlang construct
container contestcalc conversations conversations_easy
convexhull cookie cookieclickeralpha coprimecodependence
countalp countingagain couples coupons
cousin cowland crab crypto
cuberoot cudak cups curtains
deathray deda defense101 deliveroo
delivery deque descsort destroy
diamond dice differencearray digits
dijkstra dinowalk discharging divisibility
dna doll_noi dotjoin doubleflip
dquery dreaming drones duathlon
duckduckgo duckhunt3 duckhunt6 duckhunt8
ducknuggetconvention duckwander duckwar dyingpolynomial
eatcake eating eeducation eelimination
eescapism eevacuation election employee
entropy entropy2 erp escalation
eta evenorodd evolution exam
examinations exhibition explosion explosives
exponentiate exponentiate_ex f7 fabric
factories fakeidol familytree feast
feedthewallabies feelgood fenwicktree ferries
fertile fibo figurines findandprevent
findinggrass fireandbeary firefighting firelord
fitnesscorner fizzbuzz flamethrower flappyrabbit
flights flipthat floors flybot
foodchain football foreveralone fortunetelling
fourbuckets fractions fraud frog3
frogs fruits fuel fuelstation
funfair funnyhat galaxycollapse gap
garden gcd gecko general
generosity gerrymandering gfriendmania gfriendtree
giantduck gift giselle globalwarming
globalwarming_ceoi gohcart goodprogrammer goodseq
goombatower gotoschool gotoubun graph
graphcraft grassplant greatmerge greenbeans
greeting grid gridgame growingtrees
guanine guards guards_easy guards_ex
guessproblem guessqueue gwynethandtree gymbadges
hacking hackinggate hamster1 happyarrays
harddisk hashcollision heatwv hedgehogcrimes_easy
helloworld helloworld2 history hld
hld2 hole holiday homeworkextension
hoofpaperscissor hop housevisit housing
hungryrabbits1 hungryrabbits2 hunter hurt
ihate1111 illuminate inequality2 inheritance
inspections installingapps integralmania inversemax
inversions ippt iqtest iqtest3
jamestreet jams jjooii2 journey3
jumping2 jumpontree justright karina
kas kfc kickingshoes knightmoves
koopatroopacave kucice labels ladybugs
lasers latex laughter lazycat
lboard lcm lcs leave
leftright lemmas lengthsort letters
letterstamper letterstamper_ex levelingup levenshtein
lfs lightningrod lineup lineup2
lis lis_easy ljll ljubomora
llis localexpress logs lol
lonelybeavers lopov lostarray love
lppfnlcst lps lratio lualectures
luarulers lunchbox lunchcombo lvm
magicboard magiccarps magicspell magicstring
magicwand mamamintaplusa management mandarins
manycolours mate matsuri maximum
maximummonogonosity maximumtriangle medianheap medianontree
medianstring mememagic merchant messages
mice milkweed minimetro minimum
mining minstack modules modulochain
moneychanger mononono monopoly more_lca
more_lca2 morexiaoyang motest motest2
motest3 motivation mountain mountainrange
mountains mrbeast mrt mugger
mulgogi multipaths multiplechoice naan
naptime neckties nemo network
newjeans nian nicenumber nihonese
ningning nis nombor nonboringsequences
nostatement nprime numberfun numbergame
numbers obstacles obstacletree omnomnom
omnomnom2 openingshop optmilk orangecollector
orangeroad oranges2 orchard oridance
osumnjiceni outing packingducks packingpests
padoru paint pairs pairsums
palindromicfizzbuzz pandacity pandaeyes pandanumbers
papaya parade park partitiongame
party party_noi pascal pavement
payraise peakfinding peddler penguinfood
penguinislands perfectprimes photo physics
picnic pigeonhole pigeonnests pigeons
pilot ping pipes pizzeria
placingrouters planning plantingpotatoes playlist
poi poklon police potatosalad
potatotree power pplow prefixgcd
prefixsums prime primefactorization primesort
problematicjourney problemsetter problemsetter2 progression
progressionspells promotion psle purplecandy
pushups pythonindentation qualitytime quillvsowl
rabbitbars rabbiteatrabbit rabbitpainting rabbitroad
race railway rainbowrabbit rainbowroad
rainbowroad_ex rarsum razlika rblock
reachability reading reciprocals rectangleoutline
redblacktree reinforcement relaymarathon removalcosts
reopening repairs replacedigits replacingpavement
restaurant riggedroads rightangtri rmaxq
rmq roadsideadverts roadtrip robobear
robotbombs robots rolling rootedlca
rotarylock routers routine royalguards
rubies runway safety sailor
sana sandd sawmills scalars
scanner sculptures_apio15 sealevel segmentoperations
segmenttree segmenttree2 segmenttree3 selectingintervals
selfpermutation semiconnected sequence_apio shamelessad2
sherlockinversions shikandgame shoop shops
shortest shuttlerun sightseeing sightseeing2
simcity simp simplebridges simpletask
singlefile singleflip skibuddy skillmoves
skyline skyscraper_apio15 smallprimes smurf
smurfpaths snack snakenladder snakesnack
snakesnack2 snapknack sniper snowball
snowcow socks solonim sonictheparallelogram
sonya soos sort sortbooks
souvenirs spaceinvaders speakers special
spellofweakness splithunny spy square_ioi
squidzofrenzic stackweights stamps stepgame
sterilizing stickytape stones stonk
stories straight strawberry streakmanipulation
streets strikes subgraphs subtaskstitching
sumint summit sunshine supermarket
supplies swapsort swayingflowers swimming
swords taxcollection team telepathy
telephone threetwentyoneam tiles timeexam
topical touchinggrass tour tourism
tourist tourist_noi towerdefense towers
train train_ex trains trampoline
transform trapezes travel treecutting
treepainting treepruning treepruning2 trekking
triangles triusis troubles twoarrays
twomeals typicalstairs typo ultimateifelse
uniquenumbers uniquepath universe unluckyfloors
unmerge vainish variety veryeasyproblem
videogames visitinggf votingcities wabbit
wabbitosu wabot walking wallabyhop
warp watching weddingcoins whackamole
winter wires workload workoutplan
worldend wormholes xmas youngmaids
zoo zooqueue