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Problems
basics
challenge
classical
none
partial
riddle
tutorial
Status
Ranking
Forum
SPOJ
time:
2025-09-02
13 : 14 : 24
David Fashion
@davidfashion
United States, Denver
Institution: None
Only Java
History of submissions
(
plaintext version
)
Problems
List of solved classical problems:
ABA12D
BOKAM143SOU
DUGDUG
HNUMBERS
MAXSUB
PISANO
SQUAREV1
ABA12E
BOMARBLE
DUKKAR
HOMEW
MAXXOR
PKPLOL
STACKOFBOXES
ABCDEF
BOOLE
EALP1
HOMO
MAY99_2
PL
STAMPS
ABCPATH
BOWLING1
EASYFACT
HONDA
MAY99_3
PLAYGAME
STARSBC
ABSP1
BPM
EASYPROB
HOTELS
MAY99_4
PLSEARCH
STPAR
ABSURD
BRCKTCHK
EBOXES
HPPROF
MAYACAL
PLUSEVI
STRCOUNT
ABSYS
BRI
EC_CONB
HPYNOS
MAYCA
PLYGRND
STREETR
ACFRAC
BRII
EC_ESTA
HPYNOSII
MB1
POCRI
SUBPAL
ACPC10A
BRODOVI
EDGE
HS08PAUL
MBALL
POKER
SUBSEQ
ACPC10B
BROUL
EDIST
HS09EQ
MBINGO
POLCONST
SUMDEC2
ACPC10C
BSEXP
EGYPIZZA
HS10SQFT
MBR
POLEVAL
SUMMATION
ACPC10D
BSHIP
EIGHTS
HSHW
MC
POLTOPOL
SUMMUL
ACPC10E
BTCODE_A
EKO
HUBULLU
MCIRGAME
POLYCODE
SUMPRO
ACPC11B
BTCODE_D
ELEVTRBL
IAPCR2C
MCLB
POLYMUL
SVAREA11
ACPC11C
BTCODE_E
ELPESUM
IAPCR2D
MCU20A
POLYNOM
SWERC14A
ACS
BTCODE_F
EMILABC
IAPCR2E
MCUR98
POP1
SWERC14D
ACT
BUILDTOW
ENCONDIN
IAPCR2F
MECGROUP
POSAO
SWERC14E
ADABANKET
BUREAU
ENIGMATH
ICANDIES
MFLAR10
POWERCAR
SYNC13C
ADACHES2
BUSYMAN
ENUMRTNL
ICODER
MICEMAZE
POWERPHI
TAKIN
ADACHESS
BWHEELER
EPTT
IDC1948
MIDO
POWFIB
TAP2012A
ADACLEAN
BWIDOW
EQ2
IE4
MIFF
POWPOW
TAP2012B
ADACUT
BWORK
EQDIV
IEEEBGAM
MINCOUNT
PPATH
TAP2013G
ADADUNG
BYECAKES
EQU2
IGALAXY
MINSTACK
PPBRJB
TAP2013H
ADAFRIEN
BYTESE2
EQUI
IIITD1
MINSTOCK
PPBRQ
TAP2014B
ADAFUROW
BYU15W_2
ESSY
IITD4
MINVSMIN
PPR
TAP2015C
ADAGCD
C1LJUTNJ
ETF
IITKWPCA
MISERMAN
PR003004
TAP2015H
ADAHW
CAC
ETFD
IITKWPCB
MIXTURES
PRADIPSUM
TDPRIMES
ADAINDEX
CALCULAT
ETFS
IITKWPCD
MJLAR10
PRIME1
TEMPTISL
ADAKOHL
CANDY
EXPOR
IITKWPCF
MKEQUAL
PRIMEZUK
TERMITES
ADAM1
CANDY2
EXPR3
IITKWPCH
MKJUMPS
PRISMSA
TEST
ADAPET
CANDY3
FACEFRND
IITKWPCJ
MKLABELS
PRJAN15B
TETRA
ADAPLANT
CANTON
FACT0
IITKWPCM
MKUHAR
PRLGAME2
TETRAHED
ADAPLUS
CATHETEN
FACT1
IITKWPCN
MKWAVES
PROBLEM4
TETRAHRD
ADAPOWER
CBANK
FACTDIV
IITKWPCO
MLASERP
PROFF
TETRAVEX
ADAQUEUE
CBIT01
FACTMUL
IITWPC4A
MMASS
PROOT
TEWBMCUL
ADARAIN
CDRSANJ
FACTMULN
IITWPC4B
MMAXPER
PROSCORE
TFOSS
ADAROBOT
CENCRY
FACTOR1
IITWPC4C
MMOD29
PSYCHON
THEPOOL
ADASEA
CEQU
FACVSPOW
IITWPC4E
MOHIB
PT07Y
THRPWRS
ADASEQEN
CERC07C
FAKETSP
ILOVEGEO
MOHIBPIZ
PTIME
TIP1
ADASUM
CERC07K
FAMWEALT
IMAGE
MONONUM
PUCMM009
TIPTOP
ADATEAMS
CERC07N
FANCY
IMMERSED
MOVIE
PUCMM025
TOANDFRO
ADAUSORT
CERC07R
FARIDA
IMPUNITS
MPOLSTAR
PUCMM210
TOHMOVE2
ADDREV
CF36D
FATAWY
INCPOWK
MPRIME1
PUCMM215
TOHU2
ADFRUITS
CFRAC
FAVDICE
INDIPROG
MRECAMAN
PUCMM223
TOWER
ADST01
CFRAC2
FCDC
INS14B
MSE08G
PUCMM331
TPERML
ADV04B1
CGBOY
FCTRL
INS14I
MUL
PUCMM334
TRAILDIG
ADV04F1
CHEFJUN
FCTRL2
INUM
MUL2COM
PWRANDMOD
TRANCLS
ADV04J
CHEFMAY
FCTRL4
INVESORT
MULTII
PWSUM
TRAVERSE
ADV04K
CHGROOM
FENCE1
IOIPALIN
MUSVIOMG
PYRSUM
TREE
ADV04L
CHMAZE
FERT21_1
IOPC1202
MYLOGEXP
PYTRIP2
TREEDEGREE
AE00
CHUNK2
FIBHARD
IOPC1203
MYQ1
QCJ1
TREEISO
AE2A
CIRCIRC
FIBONOMIAL
IOPC1204
MYQ5
QCJ2
TREENUM2
AE2B
CIRCLEDIV
FIBOSQRT
IPCELLS
MZVRK
QCJ4
TRGRID
AFS
CIRCLES
FIBOSUM
IRECSQRT
M_SEQ
QKP
TRICENTR
AFS2
CIRCLE_E
FIBPOL
ITRIX12E
NABILHACKER
QN01
TRICKTRT
AGPC01G
CIRCLE_H
FIBPWSUM
ITRIX_E
NABILISU
QUADAREA
TRICOUNT
AGS
CLSLDR
FIBTWIST
IWGBS
NACCI
QUADRATE
TRIGALGE
AIBOHP
CLTZ
FINDSR
JAVAC
NAGAY
RABBIT1
TRIISO
AKVQLD03
CMPLS
FINGP
JBIRDS
NAIVELOK
RAFANOLE
TRIMOD2
ALCATRAZ3
CNTDO
FLIB
JC15A
NAJPF
RANDMOD
TRIOPT
ALICECUB
CNTINDX
FLT
JC15B
NAJPWG
RANGESUM
TRNGL
ALICESIE
CNT_LUCK
FLWRS
JGTLE
NAKANJ
RANGZER2
TRYCOMP
ALIEN
CODCHESS
FNRANK
JNEXT
NATALIAG
RANJAN02
TSHOW1
ALIEN0
CODECODE
FONTSIZE
JOCHEF
NATALIAS
RCB
TTRGRAPH
ALIENS1
CODEIT03
FOUROW
JOKER1
NAUGHTY
RDR2_1
TUTMRBL
ALLIZWEL
CODERE3
FRACTION
JOSWAP
NBIN
RE1
TWINSNOW
ALMISPY
CODESPTA
FRMT
JPM
NDIVPHI
REAYZCODETST
TWOKINGS
ALONE
CODESPTG
FRND
JULKA
NDT
REBOUND
TWOSQRS
ALTSEQ
CODESPTH
FRNDCIRC
JUNL
NECSTASY
REC
TWOSUMQUERY
ALTURAS
CODWRECK4
FTHEELF
JZPCIR
NEG2
REDARR2
UCBINTC
ALWFACT
COEF
FUNFACT
KATHTHI
NFACTOR
REDSUBLIA
UCBINTF
AMR10A
COINTOSS
FUNMODSEQ
KATHTHI2
NG0FRCTN
REGPOLYG
UCI2009B
AMR10C
COLONY
FUNPROB
KBASEEN
NG1FRCTN
REVFIB
UCI2009D
AMR10G
COMCB
GAME2
KIMO1
NGM
REVSEQ
UCV2013A
AMR11A
COMDIV
GAME3
KMOVES
NGON
RKS
UCV2013C
AMR11E
CONGA
GAMEMVS
KMSL4B
NICESEQ
RLCIPHER
UCV2013E
AMR12D
COUNT
GAMES
KNGCHECK
NINJA1
RLE
UCV2013H
AMZRCK
COUNTPAS
GARBAGE
KNIGHTSR
NINJA3
RLM
UCV2013I
AMZSEQ
CPC
GARDENAR
KNJIGE
NINJA4
ROBOTGRI
UCV2013J
ANAGR
CPCRC1C
GCDEASY
KNMOVE
NINJA5
ROHAAN
UFPR14D
ANARC05B
CPDUEL5A
GCDEX
KOMPICI
NINJA8
ROOKS
UJ
ANARC05I
CPRMT
GCDS
KONSTRAKSCHION
NITK06
ROOT
ULM02
ANARC07C
CPU
GCDSQF
KOPC12A
NITT2
ROOTCIPH
UNIHW
ANARC08B
CRAN01
GCJ1C09A
KOPC12B
NNUM
RPLC
UOFTBB
ANARC08G
CRAN02
GCJ1C09B
KOPC12D
NOSQ
RPLD
UOFTBC
ANARC08H
CRAZYSK
GCJ2012C
KOPC12H
NOTATRI
RPLE
UPDATEIT
ANARC08I
CRCLE_UI
GCPC11A
KOZE
NOVICE43
RPLG
UPDTARR
ANARC09A
CRDS
GCPC11D
KPEQU
NOVICE62
RPLH
URJC2_B
ANARC09B
CROBOTS
GCPC11F
KPOWERSUM
NOVICE63
RPSSL
URJC2_F
ANARC09C
CRYPTO6
GDCOFTI
KROW
NPC2015A
RRANGE
VAPI01
ANARC09D
CRYPTON
GEEKOUNT
KTH_INDEX
NPC2015D
RROOT
VDATE
ANTP
CRZYSMKR
GENETIC
LABYR1
NPC2016A
RSHIFT
VECTAR10
APCER
CSLIKAR
GEOM
LABYR2
NSQUARE
SABBIRGAME
VECTAR11
APM
CSQUARE
GEOPROB
LAGRANGE
NSTEPS
SAFECRAC
VECTAR12
APPROB
CTTC
GERGOVIA
LARSUBP
NSYSTEM
SALTOS
VECTAR4
APS
CUBARTWK
GGD
LASER
NUMOFPAL
SAMER08E
VECTAR5
ARBITRAG
CUBE
GIRLSNBS
LASER_BEAM
NUMPATH
SAMER08F
VECTAR6
ARCTAN
CUBEFR
GK
LASTDIG
NUMPLAY
SAMER08G
VECTAR7
ARITH
CUBEND
GLJIVE
LAWNMWR
NWERC04H
SAMER08J
VECTAR8
ARITH2
CUBERT
GMMOD
LCMSUM
NWERC11A
SAMER08K
VENOM
ARMY
CUBES
GMSTRE
LCPC11B
NWERC11B
SAS002
VERODOOM
ARRPRM
CUBNUM
GNY07C
LCPC12E
NWERC11E
SBANK
VGCD
ARTHEVAL
CURDPROD
GNY07D
LCPC12F
NY10A
SBETS
VHELSING
ASCDFIB
CUTCAKE
GNY07F
LEGRENDS
NY10B
SCPC11B
VLATTICE
ASSIST
CYLINDER
GNY07G
LENGFACT
NY10E
SELFDESN
VPL2_AA
ASUMHARD
DANGER
GNY07H
LIM
OAE
SEQ
VPL2_AC
ATMCMXNG
DCEPC11B
GNYR09F
LINES
ODWS
SEQ6
VPL2_BC
ATOMS
DCEPC12E
GOC11A
LINEUP
OEN
SEQ7
VUDBOL7
AVCHESS
DCEPC12H
GOIT
LINQSOLV
OFFSIDE
SEQUENCE
VZLA2019C
AVMG1
DCEPC13D
GONDOR
LKS
OHANISER
SERGEARS
VZLA2019D
AVMG2
DCEPC14G
GOO
LOCKER
OLOLO
SERGRID
VZLA2019E
BAISED
DCEPC701
GOODB
LOGIC
ONEZERO
SEUG
VZLA2019G
BALLOON
DCEPC706
GP1
LOOPEXP
ONP
SFN
WACHOVIA
BALLOT
DCEPCA03
GPA1
LOVEBIRDS
OPBIT
SGIFT
WAGE
BALLSAG
DCEPCA06
GR
LOVEGURU
OPCPIZZA
SHAHBG
WALK1
BALLSUM
DCRYPT
GRAFFDEF
LOVINGPW
OPMODULO
SHAKILKEYWORD
WATER
BANDW
DEADFR
GRC
LQDCANDY
ORDSUM23
SHAKTI
WEBISL
BANSTAND
DEFKIN
GS
LUCIFER
OVGDEL
SHLIGHTS
WEIRDFN
BASE
DEPOSIT
GSMATRIX
LUCKYNUM
OVISLARSUM
SHUB1307
WILLITST
BC
DICT
GSWORDS
LVADER
PAIRSUM
SICRANO
WONOWON
BDOI16A
DIEHARD
GUANGGUN
M3TILE
PALIN
SILVER
WORDCNT
BDOI16B
DIG
GUESSNM2
MAIN111
PALNUM
SINEGGS
WORKB
BEENUMS
DIGITROOT
GUESSTHE
MAIN113
PANCAKES
SIRNUMS
WORMS
BEHAPPY
DIGNUM
HACKRNDM
MAIN12A
PARCARD1
SKS001
WOWSUBSTR
BFIT
DINONUM
HALCAND
MAIN12B
PARKET1
SKYLINE
WOWSUBSTR2
BHAT007
DISTANCE
HAMSTER1
MAIN12C
PATT
SK_001
WPC5D
BILLIARD
DIV
HANDS
MAIN72
PCLNMBR
SLEEP
WPC5I
BINPRNUM
DIV15
HANGOVER
MAIN74
PCPC12D
SMALL
WSCIPHER
BINSTIRL
DIVFACT
HAP01
MAIN75
PCPC12J
SMILEY1807
XMAX
BIO1
DIVFACT3
HAPPYTL
MAIN8_C
PCSKREAA
SNGINT
XMEN
BISHOP2
DIVFIBS
HARISH_PUZZLE
MAIN8_D
PCSKREAB
SNGLOOP1
XYI
BISHOPS
DIVISION
HARSHAD
MAJOR
PEBBLE
SNGMSG
YAPP
BITDIFF
DIVSEQ
HAYBALE
MAKEMAZE
PEGS
SNGPG
YELBRICK
BITMAP
DNPALIN
HC12
MANGOES
PELL2
SOLDIERS
YODA
BITPLAY
DOL
HDEVIL
MARBLES
PERFSQNUM
SPCE
YOKOF
BLAMOEBA
DOUBLE
HEADSHOT
MARIO2
PERIOD
SPCM
YOSEQ
BLCONE
DRAGKING
HEPNUM
MARTIAN
PERMUT1
SPCQ
YOYOCQM
BLKEK
DRAGONCU
HEXBOARD
MASUM
PFORLOOP
SPCS
YUMMY
BLOCK_D
DRAWIT
HEXGRAM
MATHII
PHONELST
SPEED
ZCR
BLOPER
DRAWM
HEXTILE
MATHLOVE
PHT
SPIKES
ZIGZAG
BOBALLS2
DRINK
HG
MATHS
PICAD
SPP
ZSUM
BOCOMP
DSH
HISTOGRA
MATNUM
PIE
SQFREE
BOGGLE
DSUBTREE
HLP_RAMS
MAXLN
PIHEX2
SQPENT
BOI7SEQ
DTPOLY
HMBY
MAXRAD
PIR
SQRMINSUM
TODO list of classical problems:
ADACAROT
BSMATH2
EC_P
HC
NBLINDESC
RECTNG2
TETRIS2D
ADACHERY
BUGLIFE
EIUASSEMBLY
HERE
NDIVPHI2
RESIST
TETRIS3D
ADACOINS
CADYDIST
ELLIPSE
HORRIBLE
NDS
RMID
THRSUM
ADACYCLE
CAN_U_GO
ESCJAILA
HS08CODE
NGIRL
ROMAN008
TJANDRAS
ADAPICK
CDC12_F
FACT2
ILD18ACP
PFACTORS
SAMER08H
TREESUM
ADASTRNG
CERC07H
FACTCG2
INVDIV
PIBO
SETSTACK
TRKNIGHT
ADV04G1
CERC07L
FAILURE
IOPC1201
PIRACON
SID
TTTABLE
ALCATRAZ2
CF33C
FAST2
KPMAZE
PLD
SITB
TULIPNUM
AMSCO1
CHEATCON
FERT21_0
KPPOLY
PLNDROME
SNGDIV69
UCV2013F
ANARC09F
CHIPSLL
FINFRAC
KSMALL
POLYTABL
SNGGW
USUBQSUB
AP2
CIVIL
FMODF
LCA
PONY6
SOLIT
VECTAR9
ARRANGE2
CLOCKS
FRACTAN
MADN
POWERUP
SOMESUMS
VFMUL
A_W_S_N
CODE
FRS2
MAIN8_E
POWTOW
SORTMAC
VPL2_AD
BAD
CODFURY
FUSION
MATRIOSH
PRIMPERM
SPCJ
WEIGHT
BDOI16C
COMPASS
GCDPRDSM
MAX_NUM
PRJAN15F
SPIRALGR
WORDS1
BFALG
COUNTDIO
GF2
MKMONEY
PRMFN
SQCOUNT
WPC4F
BGRAVITY
CPRIME
GNUM
MON2012
PROJECTILE
SUDOGOB
WPUZZLES
BLMIRINA
CRYPTO
GOODD
MOVMRBL
PUZZLE2
SUMFOUR
YOKOC
BOMBER1
CSTATE1
GUESSING
MPOLEVAL
PYRSUM2
SWAPDIFF1
Z124
BORING
CWC2015
GUMATH2
MPOLY
QUEEN
TAP2014C
BRCKTS
DETER3
HAL9000
MSE06H
RAIN1
TCOUNT2
BRCKTS2
EASYPIE
HAREFOX
MULTQ3
RAONE
TDKPRIME
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