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Problems
basics
challenge
classical
none
partial
riddle
tutorial
Status
Ranking
Forum
SPOJ
time:
2025-09-04
00 : 45 : 28
Sui Ming So
@smso
Hong Kong, Hong Kong
Institution: The University of Hong Kong
History of submissions
(
plaintext version
)
Problems
List of solved classical problems:
ABA12C
BSEXP
DP
IAPCR2C
MIDO
POLICEMEN
STARSBC
ABA12D
BSHIP
DQUERY
IAPCR2D
MINCOUNT
POLYMUL
STONE
ABA12E
BT69
DRAGKING
IAPCR2E
MINDIFF
PON
STONE2
ABCD
BTCODE_D
DRAWIT
IAPCR2F
MINMOVE
PONY1
STPAR
ABCDEF
BUBBLESORT
DRINK
IBONEC
MINNUM
POSTERIN
STRAWB
ABCPATH
BUGLIFE
DROOT
ICANDIES
MINSTACK
POSTERS
STREETR
ABSP1
BUILDTOW
DRUIDEOI
ICCSECRET
MINSTOCK
POTATOPL
STRSEQ
ABSYS
BUSYMAN
DSUBSEQ
IDC1948
MINVEST
POUR1
SUBMERGE
ACMT
BUYINT
DSWEETS
IEEEBGAM
MINVSMIN
POWERUP
SUBS
ACODE
BVAAN
DTRAP
IGARB
MISERMAN
PPATH
SUBSEQ
ACPC10A
BWB
DTWW
IIITD1
MIXTURES
PPBRJB
SUBSN
ACPC10B
BWIDOW
DWARFLOG
IIITMSTUD
MJLAR10
PPBRQ
SUBSUMS
ACPC10D
BYECAKES
EALP1
IITKWPCA
MKEQUAL
PPR
SUMDEC2
ACPC11B
BYTESE1
EASYFACT
IITKWPCD
MKPALS
PQUEUE
SUMFOUR
ACPC11C
BYTESE2
EASYMATH
IITKWPCE
MKTHNUM
PR003004
SUMMATION
ACPC13
BYTESH1
EASYPROB
IITKWPCF
MKUHAR
PRADIPSUM
SUMMUL
ACS
BYTESM2
EBOXES
IITKWPCG
MLAND
PRATA
SUMPRO
ADABANKET
BYU15W_2
EC_CONB
IITKWPCH
MLASERP
PRESIDEN
SUMSUMS
ADABRANC
C1LJUTNJ
EC_ESTA
IITKWPCI
MLK
PRIME1
SUSY
ADACHERY
C1TABOVI
EC_MODE
IITKWPCJ
MMAXPER
PRISMSA
SVAREA11
ADACLEAN
CADYDIST
EC_P
IITKWPCL
MMINPAID
PRIZES
SWAPDIFF1
ADACOINS
CAM5
EDIST
IITKWPCN
MMINPER
PRO
SYNC13C
ADACUT
CANDN
EDIT
IITKWPCO
MNNITAR
PROFF
TAHSINREC
ADACYCLE
CANDY
EGYPIZZA
IITWPC4D
MOHIB
PROFILING
TAKIN
ADADIG
CANDY2
EIGHTS
IITWPC4H
MOHIBPIZ
PROOT
TAP2013G
ADADUNG
CANDY3
EIUASSEMBLY
IITWPC4I
MOHIBTREE
PROSCORE
TAP2013I
ADAFRIEN
CANTON
EKO
IKEYB
MONKK
PRUBALL
TAP2014B
ADAFUROW
CAPCITY
ELEVTRBL
ILD18ACP
MONONUM
PSYCHON
TAP2014H
ADAM1
CAPRICA
ELPESUM
IMMERSED
MORENA
PT07X
TAP2014J
ADAORANG
CATINV
EMILABC
IMP
MOVIFAN
PT07Y
TAP2015D
ADAPET
CATM
EMTY2
IMPER
MOWGLI
PT07Z
TAP2015H
ADAPLANT
CBANK
EN
INCARDS
MOZHSLM
PTIME
TAP2016L
ADAPLUS
CBIT01
ENIGMATH
INCPOWK
MOZPWS
PUCMM009
TAXI
ADAQUEUE
CCHESS
EQ
INGRED
MPART
PUCMM025
TDPRIMES
ADARAIN
CDC12_E
EQBOX
INS14A
MPPZC
PUCMM210
TEAM2
ADASEA
CDC12_H
EQUI
INS14C
MRECTCNT
PUCMM223
TEMPTISL
ADASEQEN
CDRSANJ
ESCJAILA
INS14G
MREPLBRC
PUCMM334
TETRA
ADASUM
CENCRY
ESJAIL
INS14K
MSCHED
PYRSUM
TETRAHED
ADATEAMS
CEQU
ESSY
INUM
MSE06H
QBALL
TETRAHRD
ADATRIP
CERC07K
ETF
INUMBER
MSE07B
QCJ2
TETRAVEX
ADAUSORT
CERC07P
EXPOR
INVCNT
MSKYCODE
QKP
TEWBMCUL
ADDREV
CERC07R
FACEFRND
INVENT
MSTICK
QN01
TFOSS
ADFRUITS
CF33C
FACT0
IOIPALIN
MSUBSTR
QN02
TFRIENDS
ADRABR
CHAIR
FACTCG2
IPAD
MTHUR
QTDIVIDE
THEATRE
ADST01
CHARGY
FACTMUL
ISAB
MTOTALF
QUEST4
THECODE
ADV04D
CHASE
FACVSPOW
ISELECT
MTRIAREA
QUEST5
THEPOOL
ADV04J
CHICAGO
FAKETSP
ITRIX12E
MTWALK
R6PL
THRBL
ADV04L
CHICKEGG
FANCY
IWGBS
MUL
RABBIT1
THREENUMBERS
AE00
CHMAZE
FARIDA
IZHONYT
MULTII
RACETIME
THRPWRS
AE2A
CHRIS
FASHION
JASIEK
MUSVIOMG
RAIL
THRSUM
AFS
CHUNK2
FAST2
JAVAC
MYLOGEXP
RAINBOW
TIEROPE
AGGRCOW
CIJEVI
FASTFLOW
JBIRDS
MYQ1
RANDG
TILING
AGPC01G
CINEMACON
FCDC
JC15A
MYQ5
RANDMOD
TIPTOP
AHORCADO
CIRCIRC
FCTRL
JEDNAKOS
MZVRK
RANGESUM
TMSUM
AIBOHP
CIRCLEDIV
FCTRL2
JGTLE
M_SEQ
RANGZER2
TOANDFRO
AKBAR
CIRCLE_E
FCTRL4
JLNT
NABILHACKER
RANJAN05
TOE1
AKVQLD03
CISTFILL
FEAST
JNEXT
NACCI
RAONE
TOHU
ALCATRAZ2
CITY2
FENCE1
JOKER1
NAGAY1
RATING
TOPOLAND
ALCATRAZ3
CLEANRBT
FERT21_0
JOSWAP
NAIVELOK
RCB
TOUGH
ALCATRAZ4
CLFLARR
FIBOSUM
JPM
NAJ0001
RDNWK
TOURIST
ALICECUB
CLONE
FIBPOL
JRIDE
NAJGC
RDR2_1
TPC07
ALIEN
CLTZ
FIBTWIST
JULKA
NAJPF
RE1
TPERML
ALIEN0
CMG
FILRTEST
KAOS
NAJPWG
REALNO
TPGA
ALIEN2
CMPLS
FISHER
KATHTHI2
NAKANJ
REAYZCODETST
TRAFFICN
ALIEN3
CMPSSTR
FLIB
KBASEEN
NATALIAG
REBOUND
TRAILDIG
ALLIZWEL
CNEASY
FLT
KFSTB
NATALIAS
REDARR2
TRANSMIT
ALTSEQ
CNTDO
FLWRS
KGSS
NAUGHTY
REDRONESIA
TREEDEGREE
ALWFACT
CNTINDX
FN16SWAP
KINJUTSU
NBIN
RELINETS
TREENUM2
AMBLE
CNURI18H
FONTSIZE
KITROB
NCLNE
RENT
TRFPLN
AMR10C
CODECODE
FOODIES
KNGCHECK
NDIV
RETRO
TRGRID
AMR10G
CODEIT03
FOXLINGS
KNJIGE
NDS
RGBRED
TRICOUNT
AMR11A
CODEM4
FPOLICE
KNMD
NECSTASY
RIOI_2_3
TRIGALGE
AMR11B
CODERE3
FRND
KNMOVE
NFACTOR
RIVALS
TRIISO
AMR11E
CODESPTB
FRNDCIRC
KNPSACK
NFURY
RKRCTAN
TRIKA
AMR12A
CODFURY
FRONT
KOICOST
NGIRL
RKS
TRIMOD2
AMR12D
CODPABBU
FRQPRIME
KOILINE
NGM2
RLE
TRNGL
AMR12G
COEF
FUNFACT
KOIREP
NGON
RLM
TRSTAGE
AMR12I
COINS
FUNNUMS
KOMPICI
NHAY
RMID
TRT
AMZRCK
COLONY
FUNPROB
KONSTRAKSCHION
NICESEQ
RMID2
TRVCOST
ANARC05B
COLORSEG
FURYROAD
KOPC12A
NINJA1
ROADNET
TSHOW1
ANARC05H
COMCB
GAME3
KOPC12B
NINJA2
ROADS
TSUNAMI
ANARC05I
COMDIV
GAMES
KOPC12H
NINJA3
ROBBERY2
TTRGRAPH
ANARC07C
CONHONPR
GARBAGE
KOZE
NINJA4
ROBOTGRI
TUG
ANARC08B
CONNECT
GARDENAR
KPEQU
NINJA5
ROCK
TULIPNUM
ANARC08G
CONSEC
GASOLINE
KPRIMESB
NINJA6
ROHAAN
TUTMRBL
ANARC08H
CORN
GCD2
KQUERY
NINJA7
ROMAN008
TWENDS
ANARC09A
COUNT
GCD3
KROW
NINJA8
RPLA
TWOKINGS
ANARC09B
COURAGE
GCDS
KSEQ
NITK06
RPLB
TWOSQRS
ANARC09C
COURIER
GCJ101BB
KSMALL
NITT2
RPLC
TWOSUMQUERY
ANARC09D
COWWORDS
GCJ1C09A
KUMAR2019
NITT4
RPLD
UCBINTB
ANTP
CPC
GCJ1C09B
KURUK14
NITT8
RPLE
UCBINTG
ANTTT
CPCRC1C
GCJ1C09C
KUSAC
NITTROAD
RPLH
UCBINTH
AP2
CPDUEL5A
GCPC11A
LABYR1
NNUM
RPLL
UCI2009B
AP3
CPRMT
GCPC11F
LARSUBP
NOCHANGE
RPLN
UCV2013A
APM
CQM1TREE
GCPC11J
LAS
NOSQ
RPSSL
UCV2013C
APPROB
CRAN01
GDCOFTI
LASER
NOTATRI
RRANGE
UCV2013E
APS
CRAN02
GDIL
LASTDIG
NOVICE43
RROOT
UCV2013H
ARBITRAG
CRAN04
GEOPROB
LASTDIG2
NOVICE63
RRSCHED
UCV2013I
ARITH2
CRAZYSK
GEORGE
LASTSHOT
NPC2014B
RSHIFT
UCV2013J
ARMY
CRCLE_UI
GERGOVIA
LCA
NPC2014F
SABBIRGAME
UFPR14D
AROPE
CRDS
GGD
LCPC11B
NPC2015A
SAFECRAC
UJ
ARRANGE
CRNVALEN
GHOSTS
LCPC12D
NPC2015D
SAMER08A
UJ01
ARRAYSUB
CROBOTS
GIFTARNG
LCPC12E
NPC2016A
SAMER08C
ULM09
ARRPRM
CRSCNTRY
GIRLSNBS
LCPC12F
NPC2016C
SAMER08E
UNHAPPY
ARTHEVAL
CRYPTON
GIVEAWAY
LENGFACT
NPOWM
SAMER08F
UNIHW
ASCDFIB
CRZYSMKR
GLUE
LEONARDO
NR2
SAMER08G
UOFTAD
ASHMHF
CSLIKAR
GMSTRE
LEXSTR
NSTEPS
SANTA3
UOFTAE
ASSIGN
CSTREET
GNY07D
LINEUP
NTICKETS
SAS002
UOFTBB
ASSIST
CT25C
GNY07H
LISA
NUMBERTH
SAS003
UOFTBE
ATMCMXNG
CTAIN
GNYR04C
LKS
NUMOFPAL
SBANK
UOFTCC
ATOMS
CTGAME
GNYR04H
LOCKER
NUMPATH
SBETS
UOFTCE
AU7_5
CTTC
GNYR09F
LOOPEXP
NUMPLAY
SCALE
UOFTCF
A_W_S_N
CUBARTWK
GOALFR
LOPOV
NY10E
SCAVHUNT
UOFTCG
BABTWR
CUBE
GOC11A
LOSTBOX
OAE
SCPC11B
UPDATEIT
BABY
CUBEFR
GONE
LOSTNSURVIVED
ODDDIV
SCPC11G
URJC2_A
BAD
CUBES
GONESORT
LOVEBIRDS
ODWS
SCRAPER
URJC2_E
BAISED
CUBNUM
GOO
LOVEGURU
OEN
SCUBADIV
VACATION
BALIFE
CURDPROD
GOODB
LOVINGPW
OHANISER
SELLPHN2
VAPI01
BALLOT
CUTCAKE
GOPI_SW
LPIS
OLOLO
SEQ
VDATE
BALLSAG
CWC2015
GORELIAN
LQDCANDY
ONEZERO
SEQ6
VECTAR11
BALLSUM
CZ_PROB1
GOSSIPER
LTRAFFIC
ONP
SEQAGAIN
VECTAR12
BANDW
DABRI001
GR
LUCIFER
OPCPIZZA
SERGEARS
VECTAR4
BASE
DALTSUM
GRAFFDEF
LUCKYNUM
OPMODULO
SERGRID
VECTAR5
BAT1
DANDVIOL
GRIDCOIN
LVADER
ORDERS
SERVICE
VECTAR6
BAT2
DANGER
GRUPVIVA
M00PAIR
ORDERSET
SERVS
VECTAR7
BAT3
DAVIDG
GS
M3TILE
ORDSUM23
SFN
VECTAR8
BAT4
DBALLZ
GSHOP
MAGSUB1
OU7
SGAME
VECTAR9
BC
DCEPC11B
GSMATRIX
MAIN111
OVGDEL
SGIFT
VENOM
BCAKE
DCEPC11F
GSS1
MAIN112
OVISLARSUM
SHAHBG
VERODOOM
BDOI16A
DCEPC12E
GSWORDS
MAIN113
PAGAIN
SHINCARD
VFMUL
BDOI16B
DCEPC14D
GUANGGUN
MAIN12A
PAIRSUM
SHOP
VFRIENDS
BEENUMS
DCEPC14G
GUESSNM2
MAIN12B
PALACE
SHOP2
VILLAGES
BEHAPPY
DCEPC206
GUESSTHE
MAIN72
PALIN
SHP
VISIBLEBOX
BENEFACT
DCEPC501
GUMATH2
MAIN8_C
PANCAKES
SHPATH
VPL0_B
BFIT
DCEPC504
HACKERS
MAJOR
PARCARD1
SHUB1307
VZLA2019C
BGIRL
DCEPC505
HACKING
MAKEMAZE
PARKET1
SICRANO
VZLA2019D
BGSHOOT
DCEPC701
HACKRNDM
MANGOES
PARKINGL
SILVER
VZLA2019E
BHAT007
DCEPC706
HALLOW
MAPEXC
PARTY
SINEGGS
VZLA2019G
BINPRNUM
DCEPCA03
HAMSTER1
MARBLES
PATHEADS
SITB
VZLA2019K
BINSTIRL
DCEPCA04
HAMSTER2
MARSCOL
PATHGAME
SKS001
WACHOVIA
BIO1
DCEPCA06
HANGOVER
MARTIAN
PATT
SKY
WAL3A
BISHOPS
DCOWS
HANOI07
MARYBMW
PATULJCI
SKYLINE
WALK1
BIT2
DCRYPT
HAP01
MASUM
PAYING
SK_001
WAYHOME
BITDIFF
DEFKIN
HAPPYTL
MASUMREPORT
PB
SLIDE
WEBISL
BITMAP
DEFKIN2
HARISH_PUZZLE
MATCHING
PCLNMBR
SLNCRD
WEIGHT3
BITPLAY
DEPEND
HAROWS
MATHLOVE
PCPC12D
SMALL
WEIRDFN
BLACKOUT
DESRUG
HAYBALE
MATNUM
PCPC12E
SMILEY1807
WILLITST
BLAMOEBA
DEV_CP
HDEVIL
MAXI
PCPC12G
SNGINT
WORDS1
BLCONE
DIEHARD
HEADQRT
MAXLN
PCPC12J
SNGLOOP1
WORKB
BLINNET
DIFERENC
HEADSHOT
MAXSET
PEBBLE
SNGPG
WPC4C
BLKEK
DIG
HELPBTW
MAXSUB
PEGS
SNOOKER
WPC4F
BLLUCK
DIGITROOT
HELPDONN
MAXSUMSQ
PERFSQNUM
SOCIALNE
WPC5E
BLMIRINA
DIGNUM
HEPNUM
MAXWOODS
PERFUME
SOCNETC
WPC5I
BLOPER
DIGOKEYS
HERDING
MAXXOR
PERMUT1
SOLDIERS
WTFM
BOBAINV
DISGRAPH
HG
MAX_NUM
PERMUT2
SOLVEIT
XMEN
BOGGLE
DISQUERY
HIGHBABA
MAY99_2
PETYABRO
SORTMAC
XYI
BOI7SEQ
DISTANCE
HIGHWAYS
MAY99_3
PFDEP
SORTMUCH
YAPP
BOI7SOU
DISTO
HIKE
MAY99_4
PFND
SP2004X
YELBRICK
BOKAM143SOU
DISUBSTR
HIPPO
MB1
PFORLOOP
SPACESHIP
YODANESS
BOMARBLE
DIV
HISTOGRA
MBALL
PHONELST
SPCE
YOSEQ
BOMBER1
DIV15
HLPRSRCH
MBEEWALK
PHT
SPCJ
YOYOCQM
BOOKS1
DIVFACT
HLP_RAMS
MBLAST
PIE
SPCQ
YUMMY
BOPERISH
DIVFIBS
HOLI
MC
PIGBANK
SPCS
ZCR
BORW
DIVISION
HONDA
MCITYHAL
PIHU1
SPCU
ZIGZAG
BOTTOM
DIVSEQ
HORRIBLE
MCLONUM
PIR
SPIKES
ZING02
BPM
DIVSTR
HOTELS
MCOINS
PIZZALOC
SPOINTS
ZSUM
BRCKTCHK
DOJO
HPFORF
MCU20A
PLD
SQCOUNT
ZTC
BRCKTS
DOL
HPPROF
MCUR98
PLNDROME
SQFREE
ZUMA
BRDGHRD
DOMINO1
HPYNOS
MDIGITS
PLUSEVI
SQPENT
BREAK
DONALDO
HPYNOSII
MDOLLS
PLYGRND
SQRMINSUM
BRIDGE
DOORSPEN
HS08FOUR
MELE3
POCRI
SQRROOT
BRODOVI
DOTAA
HS09EQ
MFLAR10
POLCONST
STACKOFBOXES
BROKEN
DOUBLE
HS10SQFT
MICEMAZE
POLEVAL
STAMPS
TODO list of classical problems:
ABSHIP
BURGLARY
DNALAB
HCT00001
MFISH
QCJ1
SWERC14C
ACARGO
BUSINESS
DNAOFELF
HELPBOB
MIDEARTH
QCJ3
TANKS
ACMAKER
CABLETV
DOMINOES
HELPR2D2
MINI
QCJ4
TAP2012D
ACQUIRE
CAC
DOSA
HFLY
MINIMAX
QTGIFT1
TAP2013C
ACTIV
CAGES
DPAIR
HIGH
MMASS
QTGIFT3
TAP2014E
ADACITY
CANPR
DRTREE
HILO
MMMGAME
QTREE
TAP2016B
ADACON
CARNIVAL
DST
HJB
MNMXPATH
QTREE2
TAP2016C
ADAFIELD
CATER
DTPOLY
HMLIS
MONEYYTU
QUADRATE
TEMPERAT
ADAGCD
CAVLI
EAGLE1
HOMEW
MOWS
QUEEN
TERMITES
ADAGF
CCROSSX
EC_SER
HOMO
MPILOT
RDRUG
TJANDRAS
ADAHOSE
CDC12_G
EMPODIA
HSHW
MPOLY
REC
TKUDDUS
ADASALES
CEOI09TR
EMTY3
IBIGAME
MROADS
REGPOLYG
TMB
ADASTRNG
CERC07C
ENCONDIN
IGALAXY
MSE06I
RIOI_3_2
TRANSFER
ADATAXES
CHAIN
ENEM
IITWPC4E
MTREE
RLCAT
TRENOLOT
ADATOMAT
CHAMPS
EPALIN
INC2015F
MUTDNA
ROADTRIP
TRIBE2
ADDLCM
CHOCDIST
EPTT
INCDSEQ
MYQ3
ROOT
TRIOMINO
ADJDUCKS
CLAW
EXCHNG
INCSEQ
MYQ6
RPSWAR
TRIP
ADV04B1
CLEVER
EXPAND
INS14F
NARHIL
RTREE2
TRIP2
ADV04F1
CLOCK1
EXPEDI
INS14I
NEXTLEX
SA04D
TROOPS
ADV04G1
CLZDOUGH
FACENEMY
INVESORT
NGCD
SACITY
TRYCOMP
AE3A
CNT_LUCK
FACT1
ISLHOP
NPC2014C
SAM
TSUM
AE5B2
COCONUTS
FACTMULN
JARJAR
NPC2014E
SCPC11H
TTBRM
ALLIN1
COD1
FAILURE
JC15F
NPC2015B
SENSORNT
TURNLT
AMR10I
CODESPTH
FASTFOOD
JMFILTER
NWERC11G
SHELF
TWICE
AMR10J
CODING2
FESTIVAL
JOCHEF
OGLEDALA
SIGNPOST
TWOPATHS
AMR11J
COLOR_CC
FIBOSQRT
JUICE
OILCOMP
SIOKULE
UCBINTC
AMR12J
CONNECTE
FINDMAX
KATHTHI
OKRET
SMALLM
UCBINTI
ANAGR
CORNET
FLBRKLIN
KNIGHTS
OPTM
SMARIO
UOFTAB
ANARC07J
COT2
FN16BASE
KOSARE
PA06ANT
SNOWGAME
UVA1
ANARC08C
COU
FN16ROAD
KRECT
PAAAARTY
SOLDIER
VFRIEND2
ANARC08F
COWPIC
FOUROW
KSELECT
PALMKR
SPAM_ATX
VMILI
ANARC09F
CROSSOVER
FP
KTRANS
PAML
SPATHS
VPALIN
ANARC09H
CS345A1
FREQ2
LANDSCAP
PARAG
SPCO
VPL1_AB
ANGELS
CSUBSEQS
FROGGER
LASER_BEAM
PARTIT
SPECIALG
VPL2_AC
APIO14_A
CT
FSHEEP
LCDS
PERFECTR
SPEC_SET
VZLA2019F
AR2015PC
CTFLAG
FTOUR2
LCMSUM
PERMPATT
SPEED
WEIGHT
AVMG1
CTOI09_1
GAMARENA
LCPC12C
PICAD
SPHIWAY
WIJGT
BANKROB
CUBEND
GANNHAT
LCPC12H
PK11I
STABLEMP
WITTY
BDOI16C
CUTOUT
GCDEX
LCS
PKA
STC02
WORD
BILLI
CWORLD
GCPC11C
LCS0
POP1
STC04
WORDCNT
BIRTHDAY
CYCLINGS
GEEKOUNT
LCS3
POSAO
STC07
WORDCNT2
BLHETA
CYLINDER
GEOM
LIGHTIN
POTHOLE
STC08
WORMS
BLMIRANA
DAGCNT2
GLASNICI
LSQF
POWERCAR
STCKHOLM
WOWSUBSTR
BLUNIQ
DCEPC11C
GLOVE
LUBEN
POWERPHI
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