Dolphy's profile

Name Gu Beichen
School St. Parallelity Convent School (Indian Ocean)
Role admin
Country Singapore
View Submissions
Solved Problems
01knapsack 0405 1111galpassword 1402
1503 1609 1821 3nplus1
3nplus1II 4in1again 4russians 4sum
727 7up GSS NYCanteen
NYSport SameMapInTheRpgWorld Unbalanced abbb
abcs add1 add1_easy addictiontoworry
addition addition2 addition3 adjlist
adjmatrix adventure alienalien amicablecats
ancestor applebaskets applefarm area
area_noi arrayfind arrayproblem assembly
assistance atleasttripledate aura babyproduction
badnim badpotato ballot bananasmoothie
barbecue basketball basketball_cpic beareatrabbit
bestplace bftrouble bigrace binarycoins
binaryroads binaryspells blackmagic blank
bobek bombardirocrocodilo boundlessboxes boxispull
bracketex bracketsyndrome breakfast brick
buffet burgers buyingcandy candies
candies3 candles candymountain_ex cappuccinoassassino
car card cards carpark
casino catbot catfight catlunch
catproblemsetter catsort catstaircase ccs
charges chessislands childsetter4 chinese
chokolit choochoo choose2eat1 chope
chunlian cinema clocktower closedpath
closedrooms cny coinbag coincombinations
coinjourney cokelesssugar cokemoresugar collectmushrooms
collectmushrooms2 collectmushrooms6 colouredballs competition
compleecode conlang contestcalc conversations
conversations_easy cooperation countalp createnumber
cuberoot cups dayum deathray
deccourse2025 deciphering_zane_4 deda defense101
deforestation democracy descsort devour
diamond dijkstra dinowalk div3
divideby2 dkdk do_you_like_me doll_noi
downbad duckbuttons duckeatant duckeatduck
duckhunt duckhunt19 duckhunt22 duckhunt23
duckhunt29 duckhunt3 duckhunt30 duckhunt4
duckwander dyingpolynomial eatingparallelograms economics
eeducation eelimination eeniemeenie eescapism
eevacuation eight employee entropy
erp evenorodd exam explosion
exponentiate f7 factorial_easy feedtheduck
fenwicktree fenwicktree_easy fibble fibo
fibo_easy fibo_ex figurines findingpavement
findmultiple fireandbeary firelord firstabc
fizzbuzz flamethrower flamethrower_ex flipcards
floors flybot foodchain foreveralone
fractions frogs fuel fuji
gcd gecko general generosity
gentlepairs gfriendmania giantduck gift
giselle globalwarming glottalstops goodbye
goodchef goodprogrammer goodseq goofyarray
goofyrooks goombatower gota gotoschool
gotoschool_ex graph greenbeans greeting
grid guanine guards_ex guessproblem
guessproblem3_ex guessproblem4_ex guessqueue guessvegetable
hallucinations hamster1 hashcollision heatwv
hedgehogcrimes_easy hello helloworld helloworld2
hogdog homeworkextension hoofpaperscissor housing
hungrycats hungryrabbits1 identifyinggirlfriends ihate1111
illuminate imagination impossiblegame integralmania
inversions ippt itinerary jamestreet
jokers jumpontree justright kangaroohunt
knightmoves koopatroopacave labels ladybugs
laptop lasers lboard lcm
lcs learning leave leenbeetree
leftright lemonade lemonade2 lengthsort
lightningrod lineup lineup2 lis
lis_easy littlejohnny1 littlejohnny2 littlejohnny3
littlejohnny4 ljubomora logs lol
lonelybeavers losingsleep lostarray lowelements
lualectures lunchbox lunchcombo lunchtime
lvm magiccarps magicstring magicwand
makingparallelograms management manyjobs mathclass
maxavg maximum medianheap medianstring
mergeguessproblem milkweed mindeque minimise
minimum minstack miracleflover mirrors
missingnumber modulochain moneychanger monkeyjourney
monsters monsters2 motest3 mothertounge
motivation mountains mrt musicalchairs
neckties nerdinvitation nextprime nicenumber
nihonese ningning nombor noodlestore
nou nprime nprime2 numberbuilding
ny_mathexam ny_unwind nycheer nylunchtime
nystudy oddoneout omnomnom omnomnom2
ontheedge optmilk oranges2 orchard
orz packaging paint pairsums
palindromicfizzbuzz pandacity pandaeyes papaya
parade parallelogramisation parallelogrampairs party
party_noi pascal payraise peakfinding
peddler peepeepoopoo penguingathering penguinmountain
permutationgrid photo physics picnic
pigeonhole pigeons pilot ping
plantingpotatoes2 platonic platonic2 platonic3
platonic4 platonic5 platonic6 platonic7
playlist poi potatosalad potatotree
powervillage prefixsums prime primeage
primefactorization priorityqueue problematicjourney problemsetter
progressionspells psle pushups pythonlist
rabbiteatrabbit rabbitjoke rabbitmilk railway
rangerangequery raptorinc razlika reading
reciprocals restaurant reverse reverseandmin
reversiblecampaign rightangtri rmaxq robotbombs
rollercoaster rotarylock round_up_division routers
routine runaway sadtrainer sadtrainer2
sana sandd scalars scicom
sealevel seats2 segmenttree segmenttree2
sequences seventeen shamelessad shamelessad2
shamelessad4 shamelessad6 shiritori_ex shops
sightseeing simp simplebridges simplemath2
sixseven skillmoves skribbl slidefk
slimes smurf snack snacks
snakenladder snowball socks solonim
sonictheparallelogram sort sort2 sorting2
sortingtrainers sortingtrainers2 sortingtrainers3 sos
speakers specialgirlfriends spellofweakness splithunny
squarerect squidzofrenzic stability staircase
stamps stepgame stones stonk
subgraphs subtaskstitching sudoku2 sum
sumint summarising2023 summarising2024 summit
supplies swapsort swayingflowers swords
taxcollection telephone teleporting thedarknight
thumper2 tickethandling timeexam toblerone
tourism tourist tourist_noi train
traineeline trainorbus trains tralalerolarila
trashinteractive treasurehunt trollingbribritt tungtungtungtungtungsahur
turbo twoarrays twochoices twomeals
typicalstairs typo typoswap ultimateifelse
uniquenumbers universe verticallychallenged veryeasyproblem
videogames wabbit wabot warp2
watching waterbomb waterbottles waterbottles2
weddingcoins whiteboardgame whoatethefries winter
workoutplan wormholes wronganswer wrongreverse
xmas xorinversions yaleuniversity yayornay
yogurt zanesgift