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Problems
basics
challenge
classical
none
partial
riddle
tutorial
Status
Ranking
Forum
SPOJ
time:
2025-09-19
11 : 03 : 06
shfk shif
@zdy46567
China, cq
Institution: cq
History of submissions
(
plaintext version
)
Problems
List of solved classical problems:
ABA12B
BUILDTOW
EDS
HPREFIX
MEDIAN3
PNTBYNUM
STAMPS
ABCPATH
BULLETIN
EKO
HQNP
MELAR10
POCRI
STC02
ACANVAS
BUREAU
EN
HS08PAUL
MELE2
PODUZECE
STCKHOLM
ACC
BUSINESS
ENEM
HUBULLU
MEMDIS
POLQUERY
STEAD
ACFRAC
BWB
ENUMRTNL
HUNT1
MGCSCLS
POLYCODE
STK
ACHESS
BWORK
EQ2
HUSGAME
MGLAR10
POLYU
STONE
ACPC10F
BYTESE2
ESCAPE1
HXH
MIB
PONY5
STONE2
ACPC10G
BYTESM1
ESCJAILA
IAPCR2E
MILPATR
PORTALUN
STRAWB
ACPC11C
BYU15W_2
ESSY
ICPCS
MINI
POTIONS
STRAZA
ACQUIRE
CABLEXPR
ETFD
IDC1948
MINIMAX
PPBRQ
STREDUCE
ADACHES2
CAC
EUROPEAN
IDO
MINSTOCK
PQUEUE
STREET
ADACITRS
CAGES
EVERLAST
IE4
MJOURNEY
PRETTY
STREETR
ADACROP
CAKE3
EXAMPLE
IEEEBGAM
MKJUMPS
PRIME
STRGAMB
ADACUT
CAPRICA
EXCLSEC
IGALAXY
MKMONEY
PRIME1
STRMATCH
ADACYCLE
CARRALLY
FACT0
IGAME
MKPALS
PRIMES2
SUBMERGE
ADAFEAR
CATTACK
FACT1
IGARB
MLASERP
PRIMEZUK
SUBPAL
ADAFIELD
CAVE2
FACTMODP
IGOR
MMATRIX
PRIMPERM
SUBWAYPL
ADAFRIEN
CCCCUBE
FACTMUL
IITKWPCL
MMIND
PRISMSA
SUDOGOB
ADAFTBLL
CDC12_A
FALTAENV
IITKWPCO
MMINPAID
PRIZES
SUPSUP
ADAGRAFT
CERC07W
FAMWEALT
IITWPC4D
MMMAGIC4
PRJAN15C
SUSY
ADAHLIA
CHAIR
FASHION
IITWPC4H
MMMAGIC5
PRJAN15F
SVAREA11
ADAPHOTO
CHARLIE
FASTFLOW
ILLUM
MOBILE
PRLOVE
SWAPDIFF1
ADAPICK
CHASE
FBRIDGES
IMGREC2
MOBILE2
PRMFN
SWTHIN
ADAPRIME
CHEFMAY
FERT21_0
IMITATE
MOHIB
PROFF
SYNC13C
ADAQUBIC
CHIPSLL
FFROG
IMMERSED
MONSTER
PROFILING
TABLE
ADAQUEUE
CHOTU
FIBOSQRT
IMP
MOON1
PSFWORDS
TAILS
ADAROBOT
CIPHERJ
FIBOSUM2
INBOX
MOON2
PSTRING
TAN1
ADASALE
CIRCLES
FIBPWSUM
INC2015F
MORIA
PSWITCH
TAP2013E
ADASALES
CIRU
FILRTEST
INCEST
MORIA3
PSYCHO2
TAP2014D
ADATREE
CLASSICO
FINDSR
INCPOWK
MPOLSTAR
PSYCHOT
TAP2014E
ADATRIP
CLK
FISHNET
INCSEQ
MPPZC
PT07B
TAP2014F
ADDREV
CLONE
FLING1
ININT
MRECT1
PT07F
TAP2014J
ADST01
CLOSEST
FLWRS
INS14A
MSET
PT07H
TAP2014K
ADV04A1
CLOUDMG
FN16CLK
INS16H
MSTICK
PT07J
TAP2015A
ADV04D
CMEXPR
FN16SWAP
INTCOMB
MULPAL
PT07X
TAP2015F
ADV04G1
CMPSSTR
FOODIES
INTEGMAX
MYQ11
PUCMM333
TAP2015I
ADV04H
CNTINDX2
FOXLINGS
INTERVAL
MYQ8
PUCMM335
TAP2015J
ADV04J
CNTPATHS
FOXWOLF
IOIGARD
NABILISU
PUZZLE2
TAP2016J
ADV04K
CNURI18H
FREQ2
IOPC1203
NAGAY
PYTRIP3
TAXI2
ADVNTURE
CODCHESS
FRMT
IOPC1207
NAJPF
QB
TCNUMFL
AE2B
CODESPTA
FRNDCIRC
IPL1
NAKANJ
QCJ1
TCOUNT2
AFS2
CODESPTC
FROGS
IQTEAM
NAPTIME
QKP
TDKPRIME
AFSK
CODESPTD
FRQPRIME
ISELECT
NARHIL
QN02
TDOWN
AGGRCOW
CODFURY
FRS2
ISLHOP
NATALIAS
QTDIVIDE
TDPRIMES
AIBOHP
CODHASH
FRSKT
IVAN
NBLINDESC
QTREE4
TEMPLE01
ALIAS
CODPABBU
FSEATS
JARJAR
NBLTHIEF
QUERYIT
TENNIS
ALICECUB
COINS
FSHEEP
JAZZYJOB
NCKLCE
RAILROAD
TESSER
ALIEN2
COLDIAM
FTHEELF
JBIRDS
NDT
RAIN2
TGCD2
ALIENS1
COMDIV
FTOUR2
JEDNAKOS
NE06D
RANDG
THEPOOL
ALMISPY
COMMEDIA
FUNMODSEQ
JERRY
NEXTLEX
RECPWSUM
THREENUMBERS
ALONE
COMPANYS
FUNPROB
JOCTENIS
NG1FRCTN
REDARR2
TICKET
ALTPERM
COMPRESS
GALOU
JPIX
NGM
REDCROSS
TILE001
ALTSEQ
CONDUIT
GAMARENA
JPM2
NGON
RELATS1
TILING
ALTURAS
CONNECTE
GAME2
JRNTMRS
NINJA7
REPAIR1
TINKUJOB
AMBIG
COPYDNA
GAME31
JUMP1
NITT1
RETRO
TLIGHTS
AMCODES
CORNET
GAMECG
JZPLIT2
NITT2
REVSEQ
TOHMOVE2
AMOEBA
CORRAL
GANNHAT
KALTSUM
NITT4
RIVALS
TOPCODE
AMR10C
COT
GARBAGE
KATHTHI
NOCHANGE
RMOVIE
TPC07
AMR11A
COT5
GCDEX
KAYKAY
NORMA2
RNUMBER
TPCPPLAR
AMR11F
COT6
GCJ101BB
KCARRY
NOSQ
ROBOT
TQ
AMR11J
COUNT1IT
GCJ102A
KEQ
NPC2015D
ROBOTGRI
TRAFFICN
AMR12D
COUNTPAS
GCJ1C09B
KFRIENDS
NSTEPS
ROCK
TRANS
AMR12J
CPATTERN
GCOM
KHANS
NSUBSTR
ROCKETS
TRANSJ
AMSCO1
CPU
GCPC11F
KIT
NUMBERTH
ROHAAN
TRANSL
ANARC05H
CRNVALEN
GCPC11G
KMOVES
NUMG
ROOBOT
TRANSP
ANARC05I
CT10R3B
GEEKOUNT
KMSL4B
NUMOFPAL
ROOKS
TRANSP2
ANARC07G
CTAIN
GEM
KNIGHTS
NUMTSN
ROOT
TREE
ANARC08A
CTOI10D1
GEMS
KOILINE
NWERC10H
ROULETTD
TRIEQUAL
ANARC08I
CTOI10D3
GEN
KOLICA
NWERC11C
RPGAMES
TRIISO
ANARC09B
CTRICK
GENETIC
KPARCH
NWERC11E
RPLA
TRYCOMP
ANARC09H
CUBE
GERGOVIA
KPPOLY
NWERC11I
RPLD
TSHOW1
AND
CUBNUM
GF2
KPRIMESB
NY10A
RRSCHED
TTABLE
ANIL_PRO
CUSTOMSL
GGD
KPSORT
NY10D
RSORTING
TTOP
ANTTT
CUTCAKE
GIWED
KPURSUIT
NY10F
RZSCSRVC
TWENDS
AP2
CUTOUT
GLOVE
KQUERYO
ODWS
SA04C
TWENTYQ
APS
CWB
GLUE
KRUS
OFFSTRAT
SA04D
TWOGAME
ARBITRAG
DANCE
GMSTRE
KUSAC
OFORTUNE
SAMER08D
TWOSQRS
ARCHPLG
DANGER
GNUM
KUTH
OIL
SAMER08G
UCBINTG
ARITH2
DAP
GNY07D
LABYR2
ONBRIDGE
SAMER08H
UCBINTI
ASSIGN
DBALLZ
GNY07H
LANDFILL
ONEXLIS
SAS001
UCF
ASSIST
DCEPC11C
GNYR09F
LANDSCAP
ONP
SAS002
UCI2009D
ATOMS
DCEPC11F
GOIT
LARSUBP
OPMODULO
SBW
UCODES
AVCHESS
DCEPC11J
GONESORT
LATTICE
OPTSUB
SC1
UCV2013G
AVOIDSOS
DCEPC13D
GOODD
LAWRENCE
ORDERS
SCAVHUNT
UCV2013H
BACKPACK
DCEPC14C
GOODE
LCMSUM
OROSNAKE
SCELL
UFAST
BALL
DCEPC14G
GOPI_SW
LCPC12B
OTOCI
SCPC11F
ULM02
BALLLSTA
DCEPC200
GPINTRI
LCPC12C
OTOY1
SCUBADIV
UMNOZAK
BALNUM
DCEPC204
GRAFFDEF
LCPC12F
OU7
SE7EN
UOFTAB
BANDMATR
DCEPC504
GRAFFTRI
LCPC12H
OVGDEL
SEGVIS
UOFTBC
BANDW
DCEPC604
GREAT_E
LEGO
PAGAIN
SELECTION
UOFTCG
BANSTAND
DCEPC803
GREENLAN
LEONARDO
PAIRDIV2
SEQ
UPSUB
BAPPP
DCEPCA01
GRIDSUM1
LEXSTR
PAIRGRPH
SEQ2
UQAS
BARB
DCEPCA02
GSCANDY
LIAR
PALPRIM
SEQ5
VAPI01
BAT2
DCEPCA04
GSHOP
LIFTS
PANIC
SERCOVERAGE
VBWORK
BATTLECRY
DCEPCA09
GSMATRIX
LIGHTPZ
PARTPLNE
SERVERS
VCIRCLES
BDOI16A
DEC123
GSS3
LIGHTS2
PARTY
SFLIP
VECTAR11
BEHAPPY
DECOY
GSS8
LKS
PC8H
SHAMAN
VECTAR12
BENEFACT
DERP
HAALPHA
LLCA
PCPC12E
SHELF
VECTAR13
BFIT
DETER3
HACKING
LNGPALN
PCPC12J
SHILL
VECTAR5
BGTSTR
DGAME
HALD
LOGIC
PCSKREAA
SHOP2
VGCD
BINGO
DICTSUB
HAMSTER1
LOOPEXP
PCSKREAB
SHUFFLES
VHUFFM
BINPRNUM
DIFFDIAG
HARANGES
LOSTBOX
PELL2
SID
VOCV
BIRTHDAY
DIG
HC
LOSTNSURVIVED
PERIOD1
SINEGGS
VOTAS
BLACJACK
DIGCNT
HC10000
LOVINGPW
PERIOD4
SKIVALL
VPL0_D
BLINDESC
DISJPATH
HC12
LPERMUT
PERMCODE
SKIVER1
VPL1_AB
BLINNET
DIV2
HC12II
LTRAFFIC
PERMPATT
SKS001
VPL1_AE
BLOCKS
DIVCNT2
HEADSHOT
LUBEN
PETYABRO
SLALOM2
VZLA2019E
BNMT
DIVCON
HEAPULM
LUCKY
PGCD
SMILEY1807
VZLA2019F
BOBALLS2
DIVFACT
HEISLAZY
MAIN113
PGCD2
SNGGW
WACHOVIA
BOBERT
DIVFIBS2
HELP
MAIN74
PHDISP
SNGMSG
WATER
BOI7FEN
DIVSEQ
HELPCOMM
MAIN75
PHONELST
SNIM
WEIGHT
BOI7SOU
DIVSUM2
HELPR2D2
MAKESUM
PHONMESS
SNOWGAME
WEIGHT3
BOILING
DIXDOOM
HEROARR
MAP
PHU09K
SOLDIER
WEIRDFN
BOMBER
DNAOFELF
HEXAGON
MAPEXC
PIE
SOMESUMS
WORDCNT2
BOMBER1
DOMINO1
HEXTILE
MARSCOL
PIGBANK
SONG
WORDEQ
BOOK
DOORSPEN
HIGHBABA
MARTIAN
PIRACON
SORTMUCH
WPC5C
BORING
DORTMUND
HILO
MAS
PISANO
SP2004X
WPC5F
BOXD
DQUERY
HISIX
MASUMREPORT
PITPAIR
SPA
WPC5H
BOXLINGS
DRAWIT
HISTORY
MATH1
PK11E
SPCS
WTFM
BPORT
DRAWM
HKNAP
MATRMUL0
PK11F
SPIDY
WTPZ2001G
BRCKTCHK
DST
HMBY
MATSUM
PK11I
SPIKES
WTPZ2002C
BRDGHRD
DTT
HMRO
MAXOR
PKA
SPIRALGR
YASSP
BRIDGE
DUGDUG
HNSUBWAY
MAXWOODS
PL
SPLEND1
YELBRICK
BRIDGES2
DWRONG
HOLIDAY1
MAXXOR
PLAYGAME
SPP
YODANESS
BRKSTRNG
EARTHQK
HOMEC
MCIRCLE
PLCNMGME
SQCOUNT
BRODOVI
EASYFACT
HOMEW
MCIRGAME
PLD
SQPENT
BSPRIME
EASYPIE
HOMO
MCOMP
PLOT1
SQUAREV1
BTCODE_D
EBOXES
HONDA
MCONVERT
PLOVER
SQUA_REV
BTCODE_E
EC_DIVS
HOTLINE
MCQUERY
PLSEARCH
STABLEMP
BTCODE_H
EDIT
HOUSES2
MEANARR
PLUS
STACK
TODO list of classical problems:
ADABASH
CEOI09TR
FERRY
KPRIMES2
PRIMEP
SQ2SQ
VPL1_AD
ADABERRY
COOLPROB
FN16ROAD
KUMAR2019
SCCCER
SWERC14J
ADATOMEL
DOUTI
FOOTBALL
MEPPERM
SERVICE
TEM
AIRLINES
DRAGKING
HAGU
NNS
SHP
TIP1
C1TABOVI
DTPOLY
HRSIAM
PBCGAME
SLEEP
VECTAR8
CAPTAIN
FAST2
IRECSQRT
PKD
SPY3
VPL1_AA
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