Problems
All Problems
Newest Problems
Unsolved Problems
Recommended Problems
Contests
Submissions
Clarifications
Others
Announcements
Rankings
Credits
Learning Resources
C++ Reference
Donate!
Login
Fr5ctal's profile
Name
Ray Zhong Yunfeng
School
NUS High
Role
member
Country
Singapore
View Submissions
Solved Problems
1609
3nplus1
3nplus1II
addition
addition2
addition3
adjlist
ancestor
area
area_noi
arrayfind
binarycoins
bobek
bombardirocrocodilo
boundlessboxes
boxispull
catfight
catlunch
childsetter2
contestcalc
cuberoot
descsort
diamond
differencearray
dijkstra
evenorodd
exam
exponentiate
fenwicktree
fenwicktree_easy
fibo
fizzbuzz
flamethrower
foodchain
gcd
gecko
gotoschool
harddisk
helloworld
ippt
iroha
labs
lcs
lis
lis_easy
ljubomora
lostones
lunchbox
maximum
minimum
palindromicfizzbuzz
party_noi
platonic
platonic2
platonic3
platonic4
platonic5
potatosalad
prefixsums
prime
psle
rangerangequery
rightangtri
rmaxq
scicom
segmenttree
smurf
solonim
sort
ssoca
stepgame
subgraphs
sumint
timeexam
tourist_noi
trainorbus
trollingbribritt
typicalstairs
typoswap
uniquenumbers
veryeasyproblem
weddingcoins