Problems
All Problems
Newest Problems
Unsolved Problems
Recommended Problems
Contests
Submissions
Clarifications
Others
Announcements
Rankings
Credits
Learning Resources
C++ Reference
Donate!
Login
Usu's profile
Name
Yusu Mao
School
Meth and Since School of Mushrooms
Role
member
Country
Singapore
View Submissions
Solved Problems
0405
1609
3nplus1
3nplus1II
4sum
7up
GSS
addition
addition2
adjlist
adjmatrix
aoi_game
area
area_noi
arrayfind
atomsplit
basketball_cpic
binarycoins
binarysearch
bombardirocrocodilo
boxispull
bracketex
breakfast
brick
card
catlunch
childsetter4
choochoo
cny
competition
contestcalc
cuberoot
dayum
democracy
descsort
diamond
dijkstra
div3
do_you_like_me
duckbuttons
duckhunt4
eatingkids
eeniemeenie
eight
el_classico
evenorodd
exam
exponentiate
exponentiate_easy
f7
factorial_easy
fibo
fibo_easy
fizzbuzz
flamethrower
flybot
foodchain
foreveralone
gcd
gecko
gift
goodbye
goodseq
gotoschool
gotosleep
greeting
guanine
hamster1
hello
helloworld
helloworld2
illuminate
ippt
iqtest2
laptop
lcm
lengthsort
lis
lis_easy
lunchbox
management
maximum
medianstring
minimum
nprime
nylunchtime
paint
pairsums
pandaeyes
panicbutton
parallelogramisation
party_noi
pascal
peepeepoopoo
pigeons
platonic
platonic2
platonic3
platonic4
platonic5
potatosalad
prefixsums
prime
primefactorization
psle
queuecutting
rabbitjoke
rainbowrabbit
reverse
rhythmscore
rightangtri
rollercoaster
round_up_division
sadtrainer
scalars
scicom
segmenttree
shamelessad
simp
simplebridges
smurf
snack
snowball
sort
splithunny
stepgame
subgraphs
subtaskstitching
sum
sumint
swayingflowers
timeexam
tourist_noi
trainorbus
tralalerolarila
typo
typoswap
uniquenumbers
uniquenumbers_easy
veryeasymath
veryeasyproblem
weddingcoins
wrongreverse
xmas
yayornay