polyda's profile

Name Ruichen Xu
School NUSH
Role member
Country Singapore
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01knapsack 3nplus1 3nplus1II 4sum
GSS addictiontoworry addition addition2
adjlist adjmatrix ancestor area
area_noi arrayfind arrayproblem ballot
bananasmoothie barbecue beareatrabbit bestplace
binarycoins binarysearch boundlessboxes boxispull
bracketex breakfast brick buffet
candymountain_ex card carpark catfight
catlunch ccs childvschild choosingcandies
christmaxtrees closedrooms coinbag coincombinations
coins competition contestcalc conversations_easy
countalp cuberoot cups deccourse2025
descsort diamond dijkstra doll_noi
drones duckbuttons duckhunt duckhunt22
duckhunt23 duckhunt29 duckhunt30 duckhunt38
duckhunt4 duckhunt5 dyingpolynomial dystopia
eevacuation eight employee entropy
erp evenorodd exam exponentiate
factorial_easy fibo fibo_easy findingpavement
fireandbeary fizzbuzz flamethrower flip
flybot foodchain foreveralone fractions
fuel gcd gecko gfriendmania
gift givinggifts globalwarming goodbye
gotoschool greeting grid gridgame
guanine guessqueue hacking hamster1
heatwv hello helloworld hipercijevi
hld_easy_2 hoofpaperscissor installingapps_ex inversions
ippt jamestreet jumpontree kangaroohunt
knightmoves lcs leave leenbeetree
leftright lemonade lengthsort letters
levelingup lightningrod lineup lis
lis_easy littlejohnny0 ljubomora logs
lualectures lunchbox lvm magicwand
maintainsum makingparallelograms management maximum
medianstring milkweed minimum minstack
missingnumber moneychanger monkeyjourney monsters
mrt nerdchef nprime numberspiral
openingshop0 paint pairsums pandaeyes
papaya party pascal penguinmountain
pigeonhole pigeons ping platonic27
platonic28 platonic29 postcard potatosalad
potatotree prefixsums prime primesort
priorityqueue psle pushups rabbitmilk
railway rangerangequery rank razlika
reciprocals reversiblecampaign rightangtri rmaxq
roadconstruction robotbombs robotonring1 sandd
scalars segmenttree segmenttree2 shamelessad3
simp skillmoves smurf smurfpaths
snapknack sorting2 splithunny squidzofrenzic
staircase stepgame stringsofimpurity subgraphs
subtaskstitching sum sumint summit
sumofdigits supplies swapsort swords
taxcollection timeexam tourist_noi trainorbus
trains twomeals typicalstairs typo
umbrella uniquenumbers uniquenumbers_easy veryeasyproblem
videogames wabot waterbomb weddingcoins
whiteboardgame woodcutter workoutplan xmas
xorinversions zooqueue