Sphere Online Judge (SPOJ)

Koki Igarashi

@igarash1

Japan, Tokyo

Joined May 2011

World Rank: #1007 (27.2 points)

Institution: NaN

Activity over the last year

Effectiveness

Problems solved: 289
Solutions submitted: 1505

Problems

List of solved classical problems:

ABCDEF	CANTON	FREQ2	KOICOST	MRECAMAN	POLQUERY	STREET
ABSYS	CATM	FREQUENT	KOILINE	MRECTCNT	POLYSSQ	STREETR
ACODE	CATTLEB	FTOUR2	KOIREP	MSAFE	PON	SUBSEQ
ACPC10A	CCCCUBE	GAMES	KRECT	MSTICK	POSAO	SUBST1
ACPC10D	CHAIR	GANNHAT	LABYR1	MTREE	POSTERS	SUBSUMS
ACPC11B	CHICAGO	GCD2	LAGRANGE	MTWALK	POTHOLE	SUM1SEQ
ACS	CHOCOLA	GIRLSNBS	LASTDIG	MULTQ3	POUR1	SUMFOUR
ADDREV	CLK	GLJIVE	LASTDIG2	MZVRK	PPATH	SUMITR
AE00	CLOCKS	GNY07C	LCPC12F	NAJKRACI	PRIME1	SUMSUMS
AGGRCOW	CLONE	GOO	LINES	NEG2	PRO	SUPPER
AIBOHP	CNEASY	GSS1	LIS2	NGM	PSWITCH	SWAPS
ALIENS	COINS	GSS3	LITE	NHAY	PT07X	TCUTTER
AMBM	COMDIV	GSS4	LPERMUT	NICEDAY	PT07Y	TEAM2
AMR10G	COWCAR	GSS5	LQDCANDY	NOTATRI	PT07Z	TEMPLEQ
AMZRCK	CTRICK	GSS7	LUBEN	NSTEPS	QTREE	TEST
AMZSEQ	CUBES	GUESSING	M00PAIR	NY10A	QTREE2	THREECOL
ANARC05B	CYLINDER	HACKRNDM	M3TILE	ODDDIV	QTREE5	TOANDFRO
ANARC09A	CZ_PROB1	HANGOVER	MAJOR	OFFSIDE	QUEST4	TOURIST
ANARC09B	DANGER	HASHIT	MAJSTOR	ONEZERO	QUEST5	TRANK
ANDROUND	DCEPCA06	HELPR2D2	MATRIOSH	ONP	RABBIT1	TRGRID
ARITH	DEFKIN	HERDING	MATRIX2	ORDERSET	RACETIME	TRICOUNT
ARITH2	DEPEND	HIKE	MATSUM	PAIRSUM	RATING	TRIP
ARMY	DFLOOR	HIST2	MAXLN	PALIN	RECTNG1	TRT
ARRAYSUB	DINGRP	HISTOGRA	MAXSUMSQ	PALSEC	RENT	TSHOW1
ASSIST	DISQUERY	HOMO	MAYA	PARADOX	ROADNET	TWINSNOW
BABTWR	DISUBSTR	HORRIBLE	MBIPALIN	PARTSUM	RPAR	TWOSQRS
BACKPACK	DIV15	HOTELS	MCOINS	PARTY	RRSCHED	UPSUB
BACKUP	DOORSPEN	HPYNOS	MDOLLS	PATHEADS	SAMER08F	WATER
BANDW	DQUERY	HPYNOSII	MELE3	PATULJCI	SCAVHUNT	WEIRDFN
BEADS	DYZIO	HS08PAUL	MENU	PEBBLE	SCPC11B	WILLITST
BITMAP	EASYPROB	HUBULLU	MFISH	PERMUT1	SCUBADIV	WINDOW1
BLINNET	EDIST	ICAMPSEQ	MFLAR10	PERMUT2	SEQPAR	WORDS1
BOI7SEQ	EGYPIZZA	ICODER	MICEMAZE	PFDEP	SHOP	XOINC
BOI7SOU	EIGHTS	IKEYB	MINUS	PHIDIAS	SHPATH	YAPP
BOOKS1	EMPTY	INCDSEQ	MISERMAN	PHONELST	SOLDIER	YODANESS
BRCKTS	EXPEDI	INCSEQ	MIXTURES	PICAD	SOLIT	ZNANSTVE
BRI	FASHION	INVCNT	MLASERP	PIE	SPOINTS	ZUMA
BSHEEP	FCTRL	IOIPALIN	MLE	PIGBANK	SSEQ
BYTESE1	FCTRL2	JAVAC	MMAXPER	PIR	STABLEMP
BYTESM2	FISHER	JRIDE	MOBILE2	PIZZALOC	STAMPS
CANDY	FPOLICE	JULKA	MOBIVINA	PLSEARCH	STONE
CANDY3	FRACTION	KGSS	MPILOT	POLEVAL	STPAR

TODO list of classical problems:

ABCD	CMPLS	COVER2	EQBOX	FCANDY	GSS2	PLD
BOXES	COUNT	CTAIN	FACTMUL	FLWRS	KPSUM	RESTACK