kai824's profile

Name Yi Kai
School retired/ex-HCI
Role admin
Country Singapore
View Submissions
Solved Problems
1609 1821 4russians 727
GSS addition addition2 ancestor
animaleditor archaeologist arrangetoys arrayfind
arrayproblem assignpaths bacteria bananafarm
bananasmoothie baseplans_ex beautifulbrackets becomingred
bichrome binarycoins boundedpermutation boxispull
bracketflip bracketsuperseq bridges_apio19 bucketstacking
bunnyscore burgers candies candymountain_ex
candyshop carpark catfight catlunch
ccs charges cheerleaders christmasfeast
christmastree collectmushrooms2 colourwalk construct
countingagain cuberoot deforestation departure
descsort devour dijkstra dinowalk
doll_noi dquery duckduckgo duckhunt22
ducknuggetconvention dyingpolynomial eeniemeenie exam
fabric fencing fenwicktree fertile
fibo flappyrabbit flights flip
flipcards flybot fractionalmultiset fraud
frogs funnytree gcd general
generosity globalwarming growingtrees guards
harddisk hashcollision hedgehogcrimes_easy helloworld
helloworld2 humantrafficking hungryrabbits1 illuminate
infiniteloop inversions inversionsum ippt
jumper jumps justright knapsack
knightmoves laughter lengthsort letters
lfs localexpress lppfnlcst lunchbox
mathtree monsters monsters2 motest2
mountainbridges mountains mrt mulgogi
multipleswith8 neckties nevergiveup optimalsubseq
outing pairs pancake_ex pandaski
party_noi pavement potatosalad prefixsums
prime problemsetter2 pushups ragingthunder
rarwall removeedges removeelements replacedigits
riggedroads routine runway samelength
sandcity sandd scrivener segmenttree
segmenttree2 selectingintervals simp smurf
snack snail snakesnack sortingtrainers
staircase stonk streetlamps subgraphs
subtaskstitching summarising2020 swap telepathy
tiles toll topical towers
toxic truck twomeals uniquenumbers
unmerge wabbitosu wabot werewolf
wires