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Hapi's profile
Name
Sun Jincheng
School
Raffles Institution
Role
member
Country
Singapore
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3nplus1
3nplus1II
4sum
7up
GSS
NYSport
addition
addition2
addition3
adjlist
adjmatrix
area
area2
area_noi
arrayfind
badpotato
beareatrabbit
bestplace
binarycoins
boxispull
bracketex
breakfast
brick
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catfight
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ccs
childsetter5
choochoo
coinbag
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competition
contestcalc
countalp
cuberoot
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dayum
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do_you_like_me
duckbuttons
duckhunt14
duckhunt15
duckhunt16
duckhunt18
duckhunt4
eeducation
eight
evenorodd
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exponentiate
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flybot
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foreveralone
fuji
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goodbye
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helloworld
ippt
lazy_robot
lboard
lcm
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lis_easy
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maximum
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moneychanger
nprime
paint
pairsums
palindromicfizzbuzz
party
party_noi
pascal
peakfinding
peepeepoopoo
pigeonhole
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platonic
platonic2
platonic3
potatosalad
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primefactorization
psle
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smurf
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splithunny
stepcount
stepgame
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sumint
summationfrenzy
swayingflowers
timeexam
tourist_noi
trainorbus
typo
typoswap
ultimateifelse
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veryeasyproblem
weddingcoins
wronganswer
xmas
yayornay