penguin133's profile

Name Brian Lee Jun Siang
School Hwa Chong Institution
Role admin
Country Singapore
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01knapsack 0405 1402 1402_2
1503 1609 1821 3nplus1
3nplus1II 4cuts 4russians 4sum
727 7up GSS OrXor
SameMapInTheRpgWorld abbb abc_apio23 acorns
addition addition2 addk addone
adjacentswaps adjlist adjmatrix aircon
airplane alienalien aliens alphabrackets
amicablecats ancestor ants anutforajaroftuna
appeal applefarm appletree area
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arraypartition arrayproblem artswap askonegetonefree
assembly assignpaths atm bacteria
badchef badknapsack badnim badpotato
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bananasmoothie bank baseplans baseplans_ex
basketball beacon beareatrabbit beautifulbrackets
becomingred belittle berlandtaxi bestplace
bigbinarytree binarycoins binaryroads binaryspells
bingo binomial birthday blanko
boardvision bobek bombing bombing2
bookshelf boomerangs bore boring
bosses bosubaiko bottle boundedpermutation
boundlessboxes boxes boxes_hkicpc boxhaskey
boxispull bracketcoloring bracketex brackets
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brick bubblesort buffet build
buildings bunchlocks bunnyscore burger
burgers buycoke buycomputer buygifts
buyingcandy cake cakerun camels
candies candies2 candies_joi candles
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car card cardgame cardgame2
cards cardtrick carpark carrots
cashmoney catchingcheaters catfight catgameshow
catleap catlunch catnames catteams
cave ccs celldivision centroid
change changingcolours charges cheerleaders
chemistry chess chessislands chickensoup
chinese chocolate choochoo christmasfeast
christmasturkeyfarm christmaxtrees chunlian cipele
climatechange clipboard clique clockpalindrome
clocktower closedpath closedrooms closingshop
cloudcomputing cny coinbag coincombinations
coingame coinjourney coins coke
collaboration collectmushrooms collectmushrooms2 collectmushrooms3
collectmushrooms4 collectmushrooms5 collectmushrooms6 colorgraph
colour colourblind colouring colourwalk
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construct container contestcalc convention
conversations conversations_easy convexhull cookieclickeralpha
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couples cousin cowland cp2booksales
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cudak cups curtains cyberland_apio23
cycling datacenters deathray decayedbridges
deciphering_zane deciphering_zane_ex deda deforestation
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deque descsort devour diamond
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divsum_dec18 dna dna_ioi dogmonkey
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doubleflip doubletrip doubletrouble dquery
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duels dyingpolynomial dynamicdiameter dzumbus
eatcake eating edgeflip eeducation
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eexploration election election_joi22 employee
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escalation evenorodd exam examinations
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fabric factories feast feedthewallabies
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ferries fertile fibo findandprevent
findinggrass findinggrass_ex fireandbeary firecracker
firelord firstabc fizzbuzz flamethrower
flamethrower_ex flappyrabbit flights flip
flipcards flipthat flood flooding
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fraud friendlyrooks frog3 frogs
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funfair funnynim galaxycollapse gap
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goodgame goodmorning goodprogrammer goodseq
gotoschool gotoschool_ex gotoubun graph
graphcraft graphoverflow grassplant gravity
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gridgame growingtrees guanine guards
guards_easy guards_ex guessarray guessproblem
guessproblem2 guessproblem3 guessqueue gwynethandtree
gymbadges hacker hacking hackthectf
hamster1 happyarrays harddisk harmony
hashcollision hdb heatwv hedgehogcrimes_easy
hellokitty helloworld helloworld2 hipercijevi
history hld hld2 holdinghands
hole holeetree homeworkextension hoofpaperscissor
horses hotspot housevisit housing
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hunter ihate1111 illuminate index
indivisibility inequality2 inequality3 infiniteloop
infiniteseq infinitezoo inheritance inspections
installingapps intercastellar interestring invasion
inversemax inversions ippt iqtest
iqtest2 iqtest3 island island_boi
ispit jams jjooii2 joke
journey3 judgequeue jumper jumping2
jumpontree jumps justright kas
kfc kickingshoes killanton knapsack
knightmoves kronican kthsubstring ktupleflip
kusac labels ladybugs lambsrespite
lampposts lamps lasers lazycat
lboard lcm lcs leastround
leave leftright legowall lemmas
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lis lis_easy ljll ljubomora
llis localexpress logs lol
lopov lostarray lottery lppfnlcst
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luckynumbers2 lunchbox lunchcombo lvm
magicboard magiccarps magicspell magicstring
magicwand malcolm mamamintaplusa management
mandarins manycolours marathon marathon_usaco
markinghouses mate math mathtest
matsuri maximum medianheap medianstring
melons_joig mememagic merchant merchant2
merchant_o mercurypoisoning mergecards mice
milkweed mincross_usaco minimetro minimum
mining minstack modsum modules
modulochain molecules moneychanger monopoly
monsters moosic more_lca more_lca2
morepaths motest motest2 motivation
mountainbridges mountainrange mountains movingboxes
mrbeancurd mrt mugger multipaths
multiple mushroomfarm naptime neckties
nemo network network2 nevergiveup
newjeans newlottery nextprime nicenumber
nihonese nis nonboringsequences noodlestore
nostatement notebook notimetodry nou
nprime numberfun numbergame numbers
numericalstrings nuskevsphantom nutritionist obstacles
obstacletree omnomnom omnomnom2 openingshop
optimalsubseq optmilk orangecollector orangeroad
oranges2 orchard orchard2 oridance
orlando osumnjiceni outing packaging
packingducks packingpests padoru paint
paint_apio paint_ioi paintrectangles pairs
pairsums palindromicfever palindromicfizzbuzz pancake
pandacity pandaeyes pandanumbers pandasoldiers
papaya parade parallelogramfest partitiongame
party pascal password passwords
pavement payraise peakfinding peddler
pekora penghulu penguinfood penguinislands
perfectprimes performance personalspace picnic
pigeonhole pigeonnests pigeons pillars
pilot ping pipes pizzeria
placingrouters plagia planning plantingpotatoes
ples poi pokeadd pokenumbers
poklon police polyomino portals
postcard potatoqueue potatosalad potatotree
potionseasy potionshard power pplow
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primefactorization primepie primesort prisoners
problematicjourney progression promotion psle
purplecandy pushups puttingstrings pythonindentation
quality qualityinspections quillvsowl rabbitbars
rabbitbridges rabbiteatrabbit rabbitlineup rabbitmeeting
rabbitmilk rabbitpainting rabbitplane rabbitradar
rabbitroad rabbittolls race radiance
radioactive railway rainbowfish rainbowrabbit
rainbowroad rainbowroad_ex rangedeleting rank
rarsum rarwall ratar rating
razlika rblock rbpoints reachability
reading reciprocals rectangleoutline redblacktree
relaymarathon removalcosts removeedges removeelements
removemq reopening repairs replacedigits
republiccity restaurant restoreroad riggedroads
rightangtri rmaxq rmq roadsideadverts
roadtrip robobear robot robot2
robots rolling rookable rooms
rootedlca rotarylock routers routes
routine royalguards rubies runway
safety sailor sale samelength
sandcity sandd sardines sawmills
scalars scanner schedule scrivener
sculptures_apio15 seagame sealevel secret
segmentoperations segmenttree segmenttree2 selectingintervals
selfpermutation selfstudy semiconnected sequence
sequence_apio sherlockinversions shikandgame shoes
shopping shorten shortest sightseeing
sightseeing2 simcity simp simplebridges
simpletask singlefile singleflip skillmoves
skyline skyscraper_apio15 slimes smallprimes
smallprimes_ex smurf smurfberries smurfpaths
snack snail snakecode snakenladder
snakesnack snakesnack2 snapknack sniper
snowball snowcow snukethewizard socks
solarstorm solonim sonya soos
sort sortbooks sortingtrainers souvenirs2
spaceinvaders speakers special specialmultiset
spellofweakness spiderweb spiraldance split2
splithunny spotlights spy square_ioi
squidzofrenzic stackweights stagegames_part1 staircase
stamps stepgame sterilizing stickytape
stones stoningame stonk stories
straight strangedevice strawberry streets
stringsofimpurity subgraphs subknapsack subsetmex
subtaskstitching subwaytrip sumint summarising2020
summarizing2021 summit sumo sumzero
sunshine superfanclub supermarket supertrees
supperbox supplies swapsort swayingflowers
swimming switches2 swords taxcollection
telepathy telephone thanossort thanossort_st4
threetwentyoneam thunderstorm tiles timeexam
toblerone toll topical tour
tourist towerdefense towers train
train_ex trains trains_mco transform
travel treecutting treepruning treepruning2
trekking trianglecraft triangles trianglesum
triusis trivialexam trivialexam_ex_ex troubles
twomeals typicalstairs typo ultimateifelse
umbrella uniquenumbers uniquepath unitedcows
universe unluckyfloors unmerge vainish
variety veryeasyproblem visiting visitingsingapore
volcanic voting votingcities vouchers
wabbit wabbitosu wabot walking
wall wallabyhop warp watching
waterbottles weddingcoins weightedguess wires
woodcutter workload workoutplan wormholes
xmas xorb youngmaids zamjena
zooqueue