syy's profile

Name Song Yiyang
School Raffles Institution
Role cmanager
Country Singapore
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01knapsack 0405 1402 1503
1609 1821 3nplus1 3nplus1II
4cuts 4russians 4sum 727
7up GSS abbb acorns
addition addition2 addk addone
addsubtract adjacentswaps adjlist adjmatrix
aesthetic aircon airline aliens
aliens_ioi amicablecats ancestor ants
appeal applefarm appletree arcade
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askonegetonefree assembly assignpaths atm
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bobek bombing bombing2 books
bookshelf boomerangs bore boring
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ccs celldivision centroid change
changingcolours charges cheerleaders chemistry
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closedpath closedrooms closingshop cny
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colorgraph colour colourblind combo
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construct container contestcalc conversations
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cp2booksales crypto cuberoot cudak
cups cycling dateornot deathray
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destroy diamond dice diesel
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divsum_dec18 dna dna_ioi dogmonkey
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duckwar duels dyingpolynomial dynamicdiameter
eatcake eating edgeflip eeducation
eelimination eescapism eevacuation eexploration
election elephants employee entropy
entropy2 equals erp escalation
escape escapesadland evenorodd exam
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f7 factories feast feedthewallabies
feelgood fencing fencing2 fenwicktree
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firelord fireworks fizzbuzz flamethrower
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fraud frog3 frogs fruits
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funnynim garaza garden garden_ioi05
garden_ioi08 gcd gecko general
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globalwarming globalwarming_ceoi globalwarming_ex goinghome_agc
goodmorning goodseq goodsubsegments gotoschool
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gravity grazing greenbeans greeting
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guards guards_ex guessarray guessqueue
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haiku hamster1 happyarrays harbingers
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hld2 holdinghands hole homeworkextension
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hungryrabbits1 hungryrabbits2 hunter hyperoperations
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inequality2 inequality3 infiniteloop infiniteseq
inheritance inspections installingapps interestring
invasion inversemax inversions iqtest
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istj jams jedan jjooii2
joke journey3 judgeantibreaker jumper
jumping2 jumpontree jumps justright
kfc kickingshoes killanton knapsack
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leastround leave leftright lemmas
lemonadestand lengthsort letters letterstamper
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lightsflip lineup lineup2 lis
lis_easy ljll ljubomora llis
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management mandarins manycolours marathon
marathon_usaco mate math mathtree
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merchant merchant_o mercurypoisoning mergecards
mergers messy mice midas
milkweed minimetro minimum mining
minstack mobitel modsum modules
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mushroomfarm naan naptime neckties
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numbergame numbers numericalstrings nutritionist
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omnomnom omnomnom2 openingshop optimalsubseq
optmilk orangecollector orangeroad oranges2
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outing packaging packingpests padoru
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pandaeyes pandaski papaya parade
partitiongame party pascal password
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peddler pekora penguinfood penguinislands
perfectprimes performance persistentlists picnic
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plagia planning poi pokeadd
pokenumbers poklon ponteng postcard
potatoqueue potatosalad potatotree potionseasy
potionshard power powersupply pplow
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prime primefactorization primepie primesort
prisoners problematicjourney progression promotion
psle purplecandy pushups puttingstrings
pythonindentation quality qualitycontrol queuestack
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rabbitpainting rabbitplane rabbitroad rabbittolls
race radiance radioactive ragingthunder
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rarsum rarwall ratar rating
razlika rblock reading rebuild
reciprocals rectangleoutline redblacktree relaymarathon
relutree removeedges removeelements removemq
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sandcity sandd sardines sawmills
scalars scanner schedule scrivener
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segmenttree segmenttree2 segmenttree3 selectingintervals
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shikandgame shoes shopping shortest
shuffling sightseeing sightseeing2 simcity
simp simplebridges simpletask singlefile
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special spellofweakness spiderweb splithunny
spy square_ioi squarerect squidzofrenzic
stackweights stamps stations stepgame
sterilizing stickytape stones stonk
stories straight strawberry stringsofimpurity
subgraphs subknapsack subtaskstitching subwaytrip
suffixarray sumint summarising2020 summarizing2021
summit supermarket supertrees supperbox
supplies surnames swap swapsort
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swords synchronization taxcollection telephone
tents thanossort thanossort_st4 threetowers
thunderstorm tiles timeexam toblerone
toll topical tour tourist
towerdefense towers towers_noi toy
train train_ex trains trains_mco
transform travel treecutting treepruning
treepruning2 triangles trianglesum triusis
trivialmaths trivialmaths2 troubles truck
twomeals typicalstairs typo ufo
ultimateifelse umbrella uniquenumbers uniquepath
universe unluckyfloors unmerge vainish
variety veryeasyproblem village visitingsingapore
volcanic voting votingcities vouchers
wabbit wabbitosu wabot walking
wall wallabyhop wallabyland wallisstop
wandering warp watching weddingcoins
weightedguess werewolf wires wiring
wombats woodcutter workload workload2
workload_ex workoutplan wormholes xmas
xorb xorreplace xortree youngmaids
zooqueue