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Problems
basics
challenge
classical
none
partial
riddle
tutorial
Status
Ranking
Forum
SPOJ
time:
2025-06-15
17 : 38 : 46
Vipul Srivastava
@devilwolverine
India, Bangalore
Institution: Amazon.com
History of submissions
(
plaintext version
)
Problems
List of solved classical problems:
AAC2
BSHIP
DSH
IAPCR2F
MKEQUAL
POTIONS
STREETR
ABA12C
BT69
DST
ICANDIES
MKLABELS
POUR1
STRMATCH
ABA12D
BTCODE_D
DSUBSEQ
ICCSECRET
MKMONEY
POWFIB
SUBPAL
ABCD
BUBBLESORT
DSWEETS
ICODER
MKPALS
PPATH
SUBS
ABCDEF
BUGLIFE
DTWW
ICPC12C
MKUHAR
PPR
SUBSEQ
ABCPATH
BUILDTOW
DUGDUG
IDC1948
MLAND
PQUEUE
SUBSN
ABSP1
BUREAU
DUKKAR
IEEEBGAM
MLASERP
PR003004
SUBSUMS
ABSURD
BURGLARY
DYZIO
IGALAXY
MLK
PRADIPSUM
SUFEQPRE
ABSYS
BUSYMAN
EASYMATH
IGARB
MMASS
PRATA
SUMDEC2
ACFRAC
BWIDOW
EASYPIE
IIITD1
MMATRIX
PRESIDEN
SUMFOUR
ACMT
BYECAKES
EBOXES
IIITMSTUD
MMAXPER
PRIME1
SUMITR
ACODE
BYTESE1
EC_CONB
IITD4
MNIU
PRIMEZUK
SUMMATION
ACPC10A
BYTESE2
EC_ESTA
IITKWPCA
MOHIB
PRIMPERM
SUMMUL
ACPC10B
BYTESM2
EDIST
IITKWPCB
MOHIBPIZ
PRISMSA
SUMPRO
ACPC10D
C1LJUTNJ
EDIT
IITKWPCF
MOHIBTREE
PRJAN15B
SVADA
ACPC10E
CADYDIST
EGYPIZZA
IITKWPCG
MONEYYTU
PRLGAME2
SVAREA11
ACPC11B
CAM5
EIGHTS
IITKWPCJ
MONONUM
PRO
SWTHIN
ACPC11C
CANDY
EIUASSEMBLY
IITKWPCN
MORENA
PROBLEM4
SYNC13C
ACS
CANDY3
EKO
IITKWPCO
MOVIFAN
PROFF
TAILS
ACT
CANDYSTN
ELEVTRBL
IITWPC4A
MOWGLI
PROFILING
TAKIN
ACTIV
CANPR
ELPESUM
IITWPC4B
MOZHSLM
PROOT
TANDV
ADABANKET
CANTON
EMTY2
IITWPC4H
MPART
PROSCORE
TAP2012B
ADACHES2
CAN_U_GO
EMTY3
IITWPC4I
MPRIME1
PRUBALL
TAP2013G
ADACOINS
CAPRICA
ENCONDIN
IMAGE
MRECAMAN
PSYCHO2
TAP2013H
ADACUT
CARRHIM
ENIGMATH
IMMERSED
MSCHED
PSYCHON
TAP2014B
ADADUNG
CATINV
EPALIN
IMPUNITS
MSE06H
PT07Y
TAP2014E
ADAFIELD
CATM
EPTT
INCARDS
MSE07B
PT07Z
TAP2014G
ADAFRIEN
CATTACK
EQ
INCPOWK
MSTICK
PTIME
TAP2014J
ADAGCD
CBANK
EQDIV
INDIPROG
MSUBSTR
PTRELIC
TAP2015C
ADAHACK
CBIT01
EQUI
INS14C
MTHUR
PUBLICAT
TAP2015D
ADAINDEX
CCHESS
EQUIPASS
INS14D
MTOTALF
PUCMM009
TAP2015H
ADAM1
CDC12_B
ESJAIL
INS14G
MUL
PUCMM025
TDKPRIME
ADAPET
CDC12_E
ESSY
INS14K
MULSORT
PUCMM210
TDPRIMES
ADAPLANT
CDOWN
ETF
INTSUB
MULTII
PUCMM334
TEAM2
ADAPLUS
CDRSANJ
ETFD
INUM
MUSVIOMG
PWRANDMOD
TEMPERAT
ADAQUEUE
CENCRY
EXPEDI
INVCNT
MYQ1
PYRA
TEMPLE01
ADARAIN
CEPC08B
FACEFRND
IOIPALIN
MYQ2
QBALL
TESSER
ADARAINB
CEQU
FACT0
IPAD
MYQ5
QCJ1
TEST
ADAROBOT
CERC07N
FACTCG2
IPCELLS
MYQ6
QCJ2
TETRAVEX
ADASEA
CERC07R
FACTMUL
IWGBS
MZVRK
QKP
TEWBMCUL
ADASEQEN
CF33C
FACTMULN
IZHONYT
M_SEQ
QN01
TFRIENDS
ADASETS
CFPARTY
FACVSPOW
JAVAC
NABILHACKER
QN02
THEATRE
ADASUM
CFRAC
FAKETSP
JBIRDS
NABILISU
QUADAREA
THECODE
ADATEAMS
CFRAC2
FALTAENV
JC15A
NAGAY1
QUADRATE
THRBL
ADATRIP
CGBOY
FAMWEALT
JERRY
NAIVELOK
QUERYSTR
THREENUMBERS
ADAUSORT
CHAIR
FANCY
JGTLE
NAJ0001
QUEST5
THRPWRS
ADDAP
CHARGY
FARIDA
JLNT
NAJGC
R6PL
THRSUM
ADDREV
CHASE
FARMER
JNEXT
NAJPF
RABBIT1
TIEROPE
ADFRUITS
CHICAGO
FASHION
JOCHEF
NAJPWG
RACETIME
TIP1
ADRABR
CHICKEGG
FAST2
JOKER1
NAKANJ
RAFANOLE
TIPTOP
ADST01
CHOCOLA
FATAWY
JOSWAP
NANO
RAIN3
TLIGHTS
ADV04B1
CHOTU
FAVDICE
JPM
NASPRIM
RAINBOW
TLL237
ADV04H
CHUNK2
FAVSUBS
JRIDE
NATALIAG
RANDG
TLPNGEM
ADV04J
CINEMACON
FCDC
JULKA
NAUGHTY
RANDMOD
TMSUM
ADV04L
CIRCLEDIV
FCTRL
JUMPPY
NCLNE
RANGESUM
TOANDFRO
AE00
CIRCLE_E
FCTRL2
JUNL
NDIV
RANJAN02
TOE1
AFS
CISTFILL
FCTRL4
KAOS
NDIVPHI
RANJAN05
TOE2
AGGRCOW
CITY2
FENCE1
KATHTHI
NDS
RATING
TOHU
AGPC01G
CLASSICO
FERT21_0
KFRIENDS
NDT
RCB
TOHU2
AGPREFX
CLAW
FESTIVAL
KFSTB
NECKDEC
RDR2_1
TOUR
AHORCADO
CLEANRBT
FIBONOMIAL
KIMO1
NEG2
REALNO
TRANCLS
AIBOHP
CLFLARR
FIBOSUM
KINJUTSU
NFACTOR
REAYZCODETST
TRANK
AKBAR
CLOCK1
FIBTWIST
KIT
NFURY
REDARR2
TRAVERSE
AKVOD05
CLONE
FILRTEST
KMOVES
NG0FRCTN
REDRONESIA
TREEDEGREE
AKVQLD03
CLTZ
FINDPRM
KNGCHECK
NGIRL
REDSUBLIA
TREENUM2
ALCATRAZ2
CMG
FINDSR
KNIGHTSR
NGM
RENT
TRFPLN
ALICESIE
CMPSSTR
FINGP
KNJIGE
NGM2
REVIEW
TRGRID
ALIEN
CNEASY
FISHER
KNMOVE
NHAY
RGBRED
TRICKTRT
ALIEN2
CNTDO
FLIB
KNPSACK
NICESEQ
RIOI_2_3
TRICOUNT
ALLIZWEL
CNTINDX
FLLM
KOIREP
NINJA1
RIVALS
TRIGALGE
ALTSEQ
CODCHESS
FLT
KOPC12A
NINJA2
RKRCTAN
TRIISO
ALTURAS
CODECODE
FLWRS
KOPC12B
NINJA3
RKS
TRIKA
ALWFACT
CODEIT03
FONTSIZE
KOPC12H
NINJA4
RLCIPHER
TROOPS
AMBM
CODEM4
FOODIES
KOSPC13B
NINJA5
RLE
TRVCOST
AMR10C
CODERE3
FOXLINGS
KOZE
NINJA7
RLM
TRYCOMP
AMR10G
CODESPTB
FPOLICE
KPRIMESB
NITK06
RLTOUR
TSHOW1
AMR11E
CODFURY
FRACTION
KROW
NITT2
RMID
TSPMOHUG
AMR11J
CODGRF
FRMT
KSMALL
NITT8
RMID2
TTBRM
AMR12D
CODWRECK4
FRND
KTH_INDEX
NITTROAD
ROADNET
TTTABLE
AMR12G
COEF
FRNDCIRC
KURUK14
NNUM
ROBBERY2
TULIPNUM
AMSCO1
COINS
FRNDZND
KUSAC
NOSQ
ROBOTGRI
TUTMRBL
AMZRCK
COINTOSS
FROGPARTY
LABYR1
NOTATRI
ROBOWORLD
TWINSNOW
AMZSEQ
COLONY
FRONT
LABYR2
NOVICE43
ROCK
TWOKINGS
ANAGR
COMDIV
FRQPRIME
LAGRANGE
NOVICE62
ROHAAN
TWOSQRS
ANARC05B
CONGA
FRSCR
LARSUBP
NOVICE63
ROMAN008
TWOSUMQUERY
ANARC05H
CONHONPR
FTHEELF
LASER
NPC2014F
ROOTCIPH
UCBINTB
ANARC05I
CONSEC
FUNAREA
LASTDIG
NPC2015A
RPLA
UCBINTC
ANARC07C
CORN
FUNFACT
LASTDIG2
NPC2015B
RPLB
UCBINTF
ANARC08B
CORNET
FUNMODSEQ
LASTSHOT
NPC2015D
RPLC
UCBINTG
ANARC08F
COWCAR
FUNPROB
LAWNMWR
NSQUARE
RPLD
UCBINTH
ANARC08G
CPCRC1C
FURYROAD
LAZYPROG
NSQUARE2
RPLE
UCI2009B
ANARC08H
CPDUEL5A
GAMES
LCA
NSTEPS
RPLG
UCV2013A
ANARC09A
CPRIME
GARBAGE
LCMSUM
NSYSTEM
RPLH
UCV2013C
ANARC09B
CPRMT
GARDENAR
LCPC12E
NUMBERTH
RPLJ
UCV2013E
ANGRMTST
CRAN01
GASOLINE
LCPC12F
NUMOFPAL
RPLK
UCV2013H
ANTP
CRAN02
GCD2
LCPC12H
NUMPATH
RPLL
UCV2013I
AP2
CRAN04
GCDEASY
LCS3
NUMPLAY
RPLN
UCV2013J
APCER
CRAZYSK
GCDS
LENGFACT
NY10A
RROOT
UFPR14D
APM
CRCLE_UI
GCDSQF
LEXSTR
NY10B
RSHIFT
UJ
APPROB
CRDS
GCJ101BB
LINES
NY10E
SABBIRGAME
UJ01
APS
CRNVALEN
GCJ1C09B
LKS
OAE
SAFECRAC
ULM09
ARBITRAG
CROBOTS
GCJ2012C
LLCA
ODDDIV
SALTOS
UNIHW
ARDA1
CROSSOVER
GCPC11A
LNGPALN
ODWS
SAMER08A
UOFTAB
ARITH2
CRSCNTRY
GCPC11F
LOCKER
OEN
SAMER08E
UOFTAC
ARMY
CRYPTO1
GCPC11J
LOOPEXP
OFFSIDE
SAMER08F
UOFTAE
AROPE
CRYPTON
GDCOFTI
LOPOV
OFORTUNE
SAMER08G
UOFTBB
AROPE2
CRZYSMKR
GEOPROB
LOSTBOX
OHANIGAME
SAS001
UOFTCC
ARRANGE
CSHOWB
GEORGE
LOSTNSURVIVED
OHANISER
SAS003
UOFTCE
ARRAYSUB
CSLIKAR
GERGOVIA
LOVEBIRDS
OLOLO
SBANK
UPDATEIT
ARRPRM
CSTREET
GGD
LOVEGURU
OMWG
SBETS
UPDTARR
ARRTWIST
CT25C
GIRLSNBS
LPIS
ONEZERO
SCALE
URD
ARTHEVAL
CTGAME
GLJIVE
LQDCANDY
ONP
SCAVHUNT
URJC2_A
ASCDFIB
CTTC
GMMOD
LTRAFFIC
ONTIME
SCPC11A
URJC2_E
ASHMHF
CUBARTWK
GMSTRE
LVADER
OPBIT
SCPC11B
VAPI01
ASSIST
CUBEFR
GNY07C
M00PAIR
OPCPIZZA
SECTORS
VDATE
ATMCMXNG
CUBES
GNY07D
MACHCOOL
OPCTRIP
SEQ6
VECTAR10
ATOMS
CUBNUM
GNY07E
MACHCOOL2
OPMODULO
SEQAGAIN
VECTAR11
AU7_5
CUCKOO
GNY07F
MAGSUB1
ORDERSET
SEQUENCE
VECTAR12
AUTOMATA
CURDPROD
GNYR04C
MAIN111
ORDSUM23
SERGRID
VECTAR13
AVLVKT
CUTCAKE
GOC11A
MAIN113
OSPROB1
SETNJA
VECTAR4
BABTWR
CWC2015
GOC11B
MAIN12A
OU7
SEUG
VECTAR5
BAD
CZ_PROB1
GOIT
MAIN12B
OVGDEL
SGIFT
VECTAR6
BADXOR
DABRI001
GONDOR
MAIN12C
OVISLARSUM
SHAHBG
VECTAR7
BAISED
DALTSUM
GONE
MAIN72
PAGAIN
SHAKILKEYWORD
VECTAR8
BALIFE
DANGER
GOO
MAIN74
PAIRSUM
SHAKTI
VENOM
BALLOT
DAVIDG
GOODB
MAIN8_C
PALACE
SHELL
VERODOOM
BALLSAG
DBALLZ
GOODD
MAJOR
PAML
SHLIGHTS
VFMUL
BALLSUM
DCEPC11B
GOPI_SW
MAJSTOR
PANCAKES
SHOP
VFRIENDS
BANDW
DCEPC11F
GOSSIPER
MAKEMAZE
PARADOX
SHP
VHELSING
BAPPP
DCEPC12E
GPA1
MAKETREE
PARCARD1
SHPATH
VISIBLEBOX
BASE
DCEPC12G
GR
MANGOES
PARKET1
SICRANO
VOLNTEER
BC
DCEPC12H
GRUPVIVA
MAPEXC
PARKINGL
SID
VPL0_B
BDOI16A
DCEPC14D
GRZZ
MARBLES
PARTY
SILVER
VPL2_AA
BDOI16B
DCEPC206
GSHOP
MARIO2
PATHEADS
SINEGGS
VPL2_AC
BDOI16C
DCEPC207
GUANGGUN
MARYBMW
PATHGAME
SKS001
VPL2_AD
BEADS
DCEPC501
GUESSTHE
MAS
PAUWS
SKY
VPL2_BC
BEENUMS
DCEPC504
HACKRNDM
MASUM
PB
SKYLINE
VUDBOL7
BEHAPPY
DCEPC505
HALLOW
MATHLOVE
PCLNMBR
SKYLINE2
VZLA2019C
BEMINE
DCEPC701
HANDS
MATRIOSH
PCPC12D
SK_001
VZLA2019E
BENEFACT
DCEPC705
HANGOVER
MAWORK
PCPC12E
SLNCRD
VZLA2019G
BFIT
DCEPC706
HAP01
MAXGRITH
PCPC12I
SMALL
VZLA2019K
BGIRL
DCEPC803
HAPPYTL
MAXI
PCPC12J
SMILEY1807
WACHOVIA
BGSHOOT
DCEPCA03
HARISH_PUZZLE
MAXLN
PCSKREAA
SMTOILET
WAGE
BHAT007
DCEPCA10
HARSHAD
MAXSUB
PCSKREAB
SNGCP
WAL3A
BINGO
DCRYPT
HARSTR
MAXSUMSQ
PEBBLE
SNGDIV69
WAYHOME
BINPRNUM
DEADFR
HASHIT
MAXWOODS
PERFECTR
SNGGW
WEIGHT
BINSTIRL
DEFKIN
HAYBALE
MAXXOR
PERFSQNUM
SNGINT
WEIGHT3
BIO1
DEPOSIT
HC
MAX_NUM
PERIOD
SNGMSG
WEIRDFN
BISHOPS
DESRUG
HC12
MAY99_2
PERMUT1
SNGPG
WILLITST
BIT2
DEV_CP
HDEVIL
MAY99_3
PERMUT2
SNIPE
WONOWON
BITDIFF
DICTSUB
HEADSHOT
MAY99_4
PFDEP
SOCIALNE
WORDCNT
BITMAP
DIEHARD
HELPDONN
MB1
PFND
SOCNETC
WORDCNT2
BITPLAY
DIG
HEPNUM
MBEEWALK
PFORLOOP
SOLDIERS
WORKB
BLAMOEBA
DIGITROOT
HERDING
MBINGO
PHONELST
SOLVEIT
WOWSUBSTR
BLCONE
DIGOKEYS
HG
MBRACKET
PHT
SORTMUCH
WOWSUBSTR2
BLINNET
DISGRAPH
HIGHBABA
MC
PICAD
SORTOUT
WPC4C
BLKEK
DISJPATH
HIGHWAYS
MCHAOS
PIE
SPACESHIP
WPC4F
BLLUCK
DISUBSTR
HIPPO
MCIRGAME
PIGBANK
SPAM_ATX
WPC5I
BOBAINV
DIV
HISTOGRA
MCITYHAL
PIHU1
SPCJ
WSCIPHER
BOGGLE
DIV2
HLPRSRCH
MCLONUM
PIR
SPCM
XMEN
BOI7SEQ
DIVEQL
HLP_RAMS
MCOINS
PKPLOL
SPCQ
XYI
BOI7SOU
DIVFACT
HMBY
MCUR98
PL
SPCS
YAPP
BOKAM143SOU
DIVFIBS
HMLIS
MDOLLS
PLAYGAME
SPCU
YELBRICK
BOLESSON
DIVISION
HOMO
MECGROUP
PLD
SPEC_SET
YODA
BOMARBLE
DIVSEQ
HONDA
MELE3
PLNDROME
SPEED
YODANESS
BOOKS1
DIVSTR
HOTELS
MFLAR10
PLSEARCH
SPIDY
YOSEQ
BOOKWORM
DNPALIN
HPFORF
MICEMAZE
PLUS
SPIKES
YOYOCQM
BOPERISH
DOL
HPPROF
MIDO
PLUSEVI
SQPENT
YUMMY
BOTTOM
DOMINO1
HPYNOS
MINCOUNT
POCRI
SQRMINSUM
ZCR
BPF1
DOMINST
HPYNOSII
MINDIFF
POLCONST
SQRROOT
ZIGZAG
BPM
DONALDO
HS08PAUL
MINMOVE
POLEVAL
SQUAREV1
ZNANSTVE
BRCKTCHK
DOSA
HS09EQ
MINNUM
POLICEMEN
STABLEMP
ZSUM
BRDGHRD
DOTAA
HS10SQFT
MINSTACK
POLYMUL
STACKOFBOXES
BRIDGE
DRAGKING
HSHW
MINSTOCK
PON
STAMPS
BRIDGES2
DRAWIT
HUBULLU
MINVSMIN
PONY4
STARSBC
BRODOVI
DRAWM
IAPCR2C
MISERMAN
POSAO
STAVATAR
BROKEN
DROOT
IAPCR2D
MIXTURES
POSTERIN
STONE
BROUL
DRUIDEOI
IAPCR2E
MJLAR10
POTATOPL
STPAR
TODO list of classical problems:
ACPC10C
BSEXP
DICT
HISIX
MKTHNUM
POSTERS
SMALLM
ACPC13
BSPRIME
DINONUM
HOLIDAY1
MMMAGIC4
POWERCAR
SNGLOOP1
ADACABAA
BST
DISQUERY
HOMEW
MMMGAME
PRINT
SORTBIT
ADACHESS
BUNNIES
DISTANCE
HXH
MODSEQ
PRIZES
STRNGSLV
ADACLEAN
BUYINT
DIVSUM2
IDO
MOZHCAN
PRJAN15F
SUBMERGE
ADAJOBS
BVAAN
DOMINOES
IITWPC4C
MSE08G
QCJ3
SUBST1
ADALIST
BWHEELER
EAGLE1
IITWPC4J
MTWALK
QUEEN
TABY
ADAPLNTS
CAGES
EASYFACT
IM
MUL2COM
RDNWK
TBATTLE
ADATOMAT
CANDN
EC_DIVS
INTERVAL
NPC2014E
REC
TRAILDIG
ADAVISIT
CAPCITY
ESCAPE1
JUICE
NPC2016A
REDCROSS
TUG
ALCATRAZ3
CHAIN
FACTDIV
KATHTHI2
NPC2016C
RMTLAND
ULM2H
ALIEN3
CMEXPR
FRS2
KPOWERSUM
OFFSTRAT
ROADS
VECTAR9
ALIENS
COD1
GHOSTS
KUMAR2019
ORDERS
RPSWAR
VGCD
AMR11A
CODPABBU
GNTFNTN
LASER_BEAM
PALIN
RRSCHED
VPARTY
AMR12E
COUNT1IT
GONESORT
LINEUP
PALOVE
SCPC11H
WATER
AROPE3
COWGATH
GP1
LPERMUT
PARSUMS
SCROLL
WINDVANE
BALLLSTA
CPDUEL5B
GRIDCOIN
LUBEN
PGCD
SFN
WORDEQ
BDOI16E
CTRICK
GSMATRIX
MAIN8_E
PHONMESS
SHUB1307
WORDS1
BORW
DCEPC810
GSS3
MARSCOL
PHONY
SIGNPOST
WTFM
BREAK
DEPEND
HALCAND
MCAMP
PKA
SITB
WTK
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