user123's profile

Name Gu Simiao
School Raffles Institution
Role admin
Country Singapore
View Submissions
Solved Problems
01knapsack 0405 1609 1821
3nplus1 3nplus1II 4russians 4sum
727 7up GSS OrXor
abbb abc_apio23 addition addition2
addition3 addone adjacentswaps adjlist
adjmatrix airplane alienalien amicablecats
ancestor applefarm appletree area
area2 area_noi arrayfind arrayproblem
assembly atm bacteria badpotato
ballot bananasmoothie bank basement
baseplans basketball beareatrabbit belittle
bestplace bftrouble 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 country cowland crypto
cuberoot cups cyberland_apio23 dango
deathray deccourse2025 deforestation democracy
deque descsort devour diamond
digits digits3 dijkstra dinowalk
discharging divideby2 divisibility dna_ioi
do_you_like_me dogmonkey doll_noi doubleflip
dquery drones duckbuttons duckeatduck
duckhunt8 ducks duckwander duckwar
dyingpolynomial dynamicdag eating eeducation
eelimination eeniemeenie eescapism eevacuation
eight employee entropy enwisen
erp eta evenorodd exam
exam2 explosion explosives_ex exponentiate
exponentiate_ex f7 factorial_easy famishedcats
feast feedtheduck fenwicktree fenwicktree_easy
ferriswheel fibo fibo_easy fireandbeary
firefighting firelord firstabc fizzbuzz
flamethrower flamethrower_ex flappyrabbit flip
flipcards floors flybot foodchain
foreveralone foxfamilies fractions fraud
friendlyrooks frogs fuel fuelstation
funfair funnynim gather gcd
gecko general generosity gerrymandering
gfriendmania gfriendtree ghostrule gift
gizmoguy globalwarming goodbye goodchef
goodmorning goodseq goombatower gotoschool
gotoschool_ex gotosleep gotoubun grassplant
greenbeans greeting grid guanine
guessqueue gwynethandtree gymbadges hacked
hacking hamster1 harddisk hashcollision
hdb heatwv hedgehogcrimes_easy hello
helloworld helloworld2 historical history
hogdog hole homeworkextension hoofpaperscissor
housevisit housing hungryrabbits1 ihate1111
illuminate index indivisibility integer
invasion inversions ippt iqtest
istj jamestreet jams joke
jumpontree jumpontree_ex justright kfc
knapsack knightmoves labels ladybugs
lasers lasers3 lboard lcm
lcs leftright lemmas lengthsort
letters levelingup levenshtein lfs
lightningrod lineup lineup2 lis
lis_easy ljubomora localexpress logs
lol lostarray lowelements lps
lualectures luarulers lunchbox lunchcombo
lvm magicboard magiccarps magicspell
magicstring magicwand majority management
mandarins matsuri maximum maximummonogonosity
maximumtriangle medianheap medianstring meltylandnightmare
milkweed minimum minstack missingnumber
modulochain moneychanger monsters monsters2
more_lca motivation mountain mountainbridges
mountainjourney2 mountains mrbeast mrt
mrt2 mulgogi navigation neckties
nemo network nevergiveup nextprime
nicenumber nihonese nile nis
noodlestore nou nprime numberfun
numbergame numericalstrings ny_mathexam nycheer
nylunchtime omnomnom omnomnom2 ontheedge
oranges2 oridance orz ovenmasters
packingducks paint pairs pairsums
palindromicfizzbuzz pancake pandacity pandaeyes
pandanumbers papaya parallelogramisation park
party party_noi pascal password
payraise peakfinding peepeepoopoo penguinmountain
perfectprimes performance perm2 photo
pigeonhole pigeonnests pigeons pilot
ping plagia plantingpotatoes poi
poklon ponteng potatosalad potatotree
potionseasy potionshard pplow prefixsums
prime primefactorization primepie priorityqueue
problematicjourney progression progressionspells promotion
psle purplecandy pushups pythonindentation
qualitytime railway rainbowroad rainbowroad_ex
rank rarsum razlika rblock
reachability reading reciprocals redblacktree
replacedigits restaurant reverse reverseandmin
riggedroads rightangtri rmaxq roadsideadverts
robotbombs rootedlca rotarylock round_up_division
routers routine runway sana
sandd scalars scanner scicom
seagame sealevel segmenttree segmenttree2
segmenttreebeats shamelessad sherlockinversions shoes
shoop shortest shuttlerun sightseeing
simcity simp simplebridges simplemath2
simpletask skiing skillmoves skyline
slimes smallprimes smurf smurfpaths
snack snakenladder snakesnack snowball
solonim sonya sort sortingtrainers
sos sparsetable speakers spellofweakness
splithunny splittingpower squidzofrenzic staircase
stamps stepgame stonk strikes
subgraphs subknapsack subtaskstitching sumint
summit sumofdigits sunshine supermarket
supplies swapsort swayingflowers swords
taxcollection telephone teleport threetowers
tiles timeexam topical torturingaccountant
tourist tourist_noi towerdefense towers
train trainorbus trains transform
transportingpotatoes treecutting trip triplecircuit
trivialexam_ex_ex trivialmaths truck twoarrays
twochoices twomeals typicalstairs typo
typoswap ultimateifelse uniquenumbers uniquenumbers_easy
universe vainish variety veryeasymath
veryeasyproblem videogames visitinggf volcanic
voting votingcities wabbit wabot
walking warp watching waterbomb
waterbottles wateringplants weddingcoins whackamole
whiteboardgame wikipedia workload wormholes
xmas xorb xorinversions yaleuniversity
yayornay zooqueue