Halogen's profile

Name Yap Yuan Xi
School NUS High School of Math and Science
Role cmanager
Country Singapore
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01knapsack 0405 1609 1821
3nplus1 3nplus1II 4russians 4sum
GSS addition addition2 addk
adjlist adjmatrix aircon amicablecats
ancestor anutforajaroftuna applefarm area
area_noi armpit arrayfind arrayproblem
askonegetonefree assembly atm bacteria
ballgame bananafarm bananasmoothie bank
baseplans beareatrabbit beautifulbrackets becomingred
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bosses boundlessboxes boxispull bracketex
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brick bridge_apio15 bubblesort buffet
bunnyscore burgers buycomputer buygifts
candies candyboxes candymountain_ex car
card carpark carrots catchingcheaters
catfight catlunch ccs change
chessislands christmasfeast clique clocktower
closingshop coinbag coincombinations coinjourney
coke collectmushrooms collectmushrooms2 collectmushrooms3
collectmushrooms6 combo commando competition
construct container contestcalc conversations
conversations_easy convexhull crypto cuberoot
cudak cups decayedbridges deque
descsort diamond dice digits
digitsum dijkstra dinowalk doll_noi
dotjoin dyingpolynomial dynamicdag eatcake
eeducation eelimination eescapism eevacuation
election employee entropy entropy2
evenorodd everyonewinstherace exam examinations
exhibition exponentiate exponentiate_ex feast
feelgood fencing fenwicktree fertile
fibo fireandbeary fizzbuzz flamethrower
flappyrabbit flights flip flipcards
floors flybot foreveralone fractionalmultiset
friendlyrooks frog3 frogs fruitsequences
fuel garden_ioi08 gcd gecko
general gerrymandering gift girlfriend
globalwarming globalwarming_ceoi goinghome_agc goofyrooks
gotoschool graphcraft grassplant greeting
guanine guards guards_ex guessarray
hamster1 hashcollision heatwv hedgehogcrimes_easy
helloworld helloworld2 history hld
housing hunter illuminate inheritance
installingapps inversemax inversions ippt
iqtest iqtest2 iqtest3 jumping2
jumpontree justright knightmoves kthsubstring
labels ladybugs lazycat lcs
leftright lengthsort letterstamper lightningrod
lineup lis lis_easy ljll
ljubomora llis localexpress lostarray
lps lualectures luarulers lunchbox
lunchcombo lvm magicwand makingparallelograms
management maximum medianheap medianstring
merchant_o milkweed minimum minstack
modules moneychanger monsters mountains
mrt mugger multipaths neckties
nian nihonese nis nonboringsequences
nprime numbers numericalstrings obstacletree
omnomnom omnomnom2 openingshop optimalsubseq
optmilk oranges2 padoru paint
pairs pairsums pandacity pandaeyes
park partitiongame party party_noi
payraise peakfinding peddler penguinfood
penguinmountain performance picnic pigeonnests
pigeons pilot ping pizzeria
poi poklon potatosalad potatotree
power powervillage prefixsums prime
primefactorization primesort problematicjourney psle
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railway rank razlika rblock
rebuild reciprocals rectangleoutline redblacktree
removeedges reopening replacedigits rightangtri
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rotarylock routers sailor sandd
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sightseeing sightseeing2 simp singlefile
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smurfpaths snakenladder snakesnack2 snapknack
solonim sonya sortbooks speakers
spellofweakness splithunny spy squidzofrenzic
stackweights staircase stamps stepgame
sterilizing stickytape stones stonk
subgraphs subtaskstitching sumint summit
supermarket supplies swapsort swords
taxcollection timeexam tourist_noi towerdefense
towers train train_ex trains
transform travel treepruning treepruning2
typo uniquenumbers universe unluckyfloors
unmerge wabbit wabot walking
watching weddingcoins workload xmas
xortree zooqueue