user123's profile

Name Simon Gu
School Raffles Institution
Role admin
Country Singapore
View Submissions
Solved Problems
01knapsack 0405 1609 1821
3nplus1 3nplus1II 4russians 4sum
727 7up GSS OrXor
abbb addition addition2 adjacentswaps
adjlist adjmatrix airplane alienalien
amicablecats ancestor applefarm area
area_noi arrayfind arrayproblem assembly
atm bacteria badpotato ballot
bananasmoothie bank basement baseplans
basketball beareatrabbit belittle bestplace
binarycoins binaryroads bingo binomial
boardvision bobek bombing bombing2
boundlessboxes boxhaskey boxispull bracketex
bracketsyndrome breakfast brick buffet
burgers buycoke buycomputer buygifts
buyingcandy candies candles candyboxes
candymountain_ex car card carrots
catfight catlunch cave ccs
celldivision charges cheerleaders chessislands
chickensoup chimera chinese choochoo
choose2eat1 christmasfeast cht clique
clocktower cny coin coinbag
coincombinations coinjourney cokelesssugar collaboration
collectmushrooms collectmushrooms2 collectmushrooms3 collectmushrooms6
colourfulpaths combo commando commonsubstring
competition conductslip conlang contestcalc
conversations_easy convexhull countalp cowland
crypto cuberoot cups cyberland_apio23
deathray deforestation deque descsort
devour diamond digits dijkstra
dinowalk discharging divideby2 divisibility
dna_ioi dogmonkey doll_noi doubleflip
dquery duckeatduck duckwander duckwar
dyingpolynomial dynamicdag eating eeducation
eelimination eeniemeenie eescapism eevacuation
employee entropy erp eta
evenorodd exam explosion exponentiate
exponentiate_ex f7 feast feedtheduck
fenwicktree fenwicktree_easy fibo fireandbeary
firefighting firelord firstabc fizzbuzz
flamethrower flamethrower_ex flappyrabbit flip
flipcards floors flybot foodchain
foreveralone fractions fraud friendlyrooks
frogs fuel fuelstation funfair
funnynim gcd gecko general
generosity gerrymandering gfriendmania gfriendtree
ghostrule gift gizmoguy globalwarming
goodchef goodmorning goombatower gotoschool
gotoschool_ex gotosleep gotoubun grassplant
greenbeans greeting grid guanine
guessqueue gwynethandtree gymbadges hacked
hacking hamster1 harddisk hashcollision
hdb heatwv hedgehogcrimes_easy helloworld
helloworld2 historical history hole
homeworkextension hoofpaperscissor housevisit housing
hungryrabbits1 ihate1111 illuminate index
indivisibility invasion inversions ippt
iqtest istj jams joke
jumpontree justright kfc knapsack
knightmoves labels ladybugs lasers
lboard lcm lcs leftright
lemmas lengthsort letters levelingup
levenshtein lfs lightningrod lineup
lineup2 lis lis_easy ljubomora
localexpress logs lol lostarray
lps lualectures luarulers lunchbox
lunchcombo lvm magicboard magiccarps
magicspell magicstring magicwand management
mandarins matsuri maximum maximummonogonosity
maximumtriangle medianheap medianstring meltylandnightmare
milkweed minimum minstack missingnumber
modulochain moneychanger monsters more_lca
motivation mountain mountainbridges mountains
mrbeast mrt mulgogi neckties
nemo network nevergiveup nextprime
nicenumber nihonese nis noodlestore
nou nprime numberfun numbergame
numericalstrings omnomnom omnomnom2 ontheedge
oranges2 oridance orz packingducks
paint pairs pairsums palindromicfizzbuzz
pancake pandacity pandaeyes papaya
park party party_noi pascal
password payraise peakfinding perfectprimes
performance photo pigeonhole pigeonnests
pigeons pilot ping plagia
plantingpotatoes poi poklon ponteng
potatosalad potatotree potionseasy potionshard
pplow prefixsums prime primefactorization
primepie problematicjourney progression progressionspells
promotion psle purplecandy pushups
pythonindentation qualitytime railway rainbowroad
rainbowroad_ex rank razlika rblock
reachability reading reciprocals redblacktree
replacedigits restaurant reverseandmin riggedroads
rightangtri rmaxq roadsideadverts rootedlca
rotarylock routers routine runway
sandd scalars scanner seagame
sealevel segmenttree segmenttree2 segmenttreebeats
sherlockinversions shoes shortest shuttlerun
sightseeing simcity simp simplebridges
simplemath2 simpletask skiing skillmoves
skyline slimes smallprimes smurf
smurfpaths snack snakenladder snakesnack
snowball solonim sort sortingtrainers
sos speakers spellofweakness splithunny
splittingpower squidzofrenzic staircase stamps
stepgame stonk strikes subgraphs
subknapsack subtaskstitching sumint summit
sunshine supermarket supplies swapsort
swayingflowers swords taxcollection telephone
threetowers tiles timeexam topical
torturingaccountant tourist tourist_noi towerdefense
towers train trains transform
transportingpotatoes treecutting trivialexam_ex_ex trivialmaths
truck twomeals typicalstairs typo
ultimateifelse uniquenumbers universe vainish
variety veryeasymath veryeasyproblem visitinggf
volcanic voting votingcities wabbit
wabot walking warp watching
waterbottles weddingcoins whackamole wikipedia
workload wormholes xmas xorb
yaleuniversity zooqueue