Sphere Online Judge (SPOJ)

Takanori Maehara

@maehara

Japan, Tokyo

Joined Jul 2006

World Rank: #312 (66.8 points)

Institution: Freelance

I am a researcher and software engineer.

Activity over the last year

Effectiveness

Problems solved: 287
Solutions submitted: 740

Problems

List of solved classical problems:

ABA12D	BRCKTS	EIGHTS	HOTELS	MAY99_2	PIGBANK	STSTRING
ABCDEF	BRLRIDER	EMTY3	HS08PAUL	MAY99_3	PIR	SUBLEX
ABCPATH	BSHEEP	EN	HS09EQ	MCQUERY	PON	SUBMERGE
ACODE	BUGLIFE	EQUI	IE4	MDST	POUR1	SUBST1
ACPC10A	BULK	ETF	IITKWPCB	METEORS	PPATH	SUDOGOB
ACPC10D	BUSYMAN	ETFD	IITKWPCE	MIFF	PPBRQ	SUDOKU
ACPC10E	BUYINT	ETFS	IITKWPCG	MINMOVE	PRIME1	SUMPRO
ADABLOOM	BYTESM2	FACT0	IITKWPCJ	MISERMAN	PRIMEP	SUMSUMS
ADACROP	CANDY	FACT1	IITWPC4I	MIXTURES	PRIMES2	TAKIN
ADACUT	CANTON	FACT2	IKEYB	MKTHNUM	PRINT	TAP2015H
ADAGRAFT	CAPCITY	FACTCG2	ILD18ACP	MMIND	PRJAN15C	TDKPRIME
ADDREV	CH3D	FACTMUL	INCSEQ	MONSTER	PRJAN15F	TDPRIMES
ADSPROP	CHICKEGG	FANCY	INUMBER	MUL	PRMLX	TEST
ADV04B1	CMEXPR	FARIDA	INVCNT	MULSORT	PT07A	TETRA
ADV04F1	CMPLS	FASHION	JNEXT	MULTQ3	PT07C	TOANDFRO
AE00	CNTINDX2	FASTFLOW	JOKER1	MZVRK	PT07Y	TOHU
AGGRCOW	CODESPTB	FCTRL	KAYKAY	NAJPF	PT07Z	TRANSL
AIBOHP	COINS	FCTRL2	KMEDIAL	NAJPWG	PUCMM333	TREEII
ALIEN0	COMDIV	FCTRL4	KOILINE	NECKDEC	QTREE	TREEISO
AMR10B	CPCRC1C	FIBOSUM	KOMPICI	NEG2	QUADAREA	TRGRID
AMR10G	CRYPTO1	FIBTWIST	KOPC12B	NGM	RANAGIC	TRICENTR
AMR11E	CRYPTO2	FN16BASE	KQUERY	NHAY	REGPOLYG	TRICOUNT
AMR11H	CRYPTO3	FREQ2	KSMALL	NICEBTRE	REPEATS	TRIGALGE
AMR12C	CSQUARE	GCD2	LASTDIG	NICEDAY	RPLC	TRIPINV
AMR12D	CTGAME	GCD3	LASTDIG2	NOVICE65	RPLE	TRT
ANARC08G	CTSTRING	GHOSTS	LCA	NPC2014E	RPLH	TSHOW1
ANARC09A	CUBEFR	GLASS2	LCMSUM	NPC2014F	RPLN	TSUM
ANARC09C	DANDVIOL	GNY07H	LCPC11B	NQUEEN	RTREE	TULIPNUM
AND	DCEPC807	GNYR09F	LCPC12F	NSTEPS	SAMER08F	TWICE
APS	DETER2	GSS1	LCS	ODDDIV	SBANK	TWOSQRS
ARITH	DETER3	GSS3	LCS0	OHANIBTR	SBSTR1	UPDATEIT
ARMY	DICTSUB	GUANGGUN	LEXSTR	ONEZERO	SCITIES	VFMUL
ARRAYSUB	DIRVS	GUESSING	LPERMUT	ONP	SEGSQRSS	VPL2_BC
ASSIGN	DISUBSTR	HACKRNDM	M00PAIR	ORDERSET	SEQ5	VZLA2019B
BANDW	DIVFACT	HANGOVER	M3TILE	PAIRGRPH	SEQPAR	WORDCNT
BEADS	DIVFACT3	HARSTR	MAIN72	PAIRSORT	SHAHBG	WORDS1
BEENUMS	DIVSUM2	HC	MAJOR	PAIRSUM	SHPATH	WPC5E
BGTSTR	DQUERY	HCT00001	MATCHING	PALIN	SMALL	XMAX
BISHOPS	DROOT	HISTOGRA	MATGAME	PCPC12I	SORTING	YASSP
BOBAINV	DYNALCA	HMLIS	MATHII	PERMUT1	STABLEMP	YOYOCQM
BOTTOM	EDIST	HORRIBLE	MATSUM	PERMUT2	STPAR	ZSUM

TODO list of classical problems:

AHOCUR	BNYINT	GSS2	PERFSQNUM	SFLIP	TAP2015G
ANGRMTST	DAP	MKTHPATH	SEQ2	SPATHS