Sphere Online Judge (SPOJ)

Yingjiu Ma

@mayingjiu

Aruba, Lees

Joined Apr 2023

World Rank: #686 (36.7 points)

Institution: Brown University

Activity over the last year

Effectiveness

Problems solved: 316
Solutions submitted: 4460

Problems

List of solved classical problems:

ABA12C	BUSYMAN	FACTCG2	JNEXT	MSCHED	PR003004	STPAR
ABCD	BYTESM2	FARIDA	KATHTHI	MSUBSTR	PRIME1	STRMATCH
ABCDEF	CAM5	FASTFLOW	KGSS	MTOTALF	PSTRING	SUBMERGE
ABCPATH	CANDY	FAVDICE	KNIGHTS	MULTII	PSYCHON	SUBSUMS
ABSYS	CAPCITY	FCTRL	KNMOVE	MUSKET	PT07X	SUBXOR
ACPC10A	CCHESS	FIBOSUM	KOICOST	MYQ11	PT07Y	SUMFOUR
ACQUIRE	CCOST	FIBTWIST	KOIREP	NAJPF	PT07Z	SUMSUM
ADAAPPLE	CDRSANJ	FILRTEST	KOMPICI	NAKANJ	PUCMM210	SWERC14C
ADABLOOM	CHIPSLL	FREQ2	KOZE	NATALIAG	PWRANDMOD	TAP2012D
ADACLEAN	CLFLARR	FRNDCIRC	KPGAME	NDIV	QTREE	TDKPRIME
ADAFRIEN	CLONE	FRQPRIME	KQUERY	NEG2	QTREE2	TDPRIMES
ADAINDEX	CODFURY	GCDS	KQUERYO	NFACTOR	QTREE4	TEST
ADAMATCH	COINS	GEEKOUNT	LABYR1	NGIRL	QTREE5	TFRIENDS
ADAPHOTO	COLONY	GERGOVIA	LASTDIG	NGM2	QUEST4	THRBL
ADAQUEUE	COMDIV	GIVEAWAY	LASTDIG2	NHAY	RACETIME	THREENUMBERS
ADATEAMS	CORNET	GNYR09F	LCA	NITT4	RANGESUM	TMSUM
ADATRIP	COT	GONE	LCMSUM	NITTROAD	RANJAN02	TOANDFRO
ADAUSORT	COT2	GOO	LCPC11B	NSTEPS	RAONE	TOE1
ADDREV	CPATTERN	GSS1	LCS2	NSUBSTR	RCB	TOE2
AE00	CPCRC1C	GSS2	LEXSTR	NTICKETS	REDARR2	TRIGALGE
AGGRCOW	CRAN02	GSS3	LINES	NUMOFPAL	RENT	TRIPINV
AKBAR	CRYPTON	GSS4	LITE	NUMPATH	RMID2	TRSTAGE
ALCATRAZ3	CSTREET	GSS5	LKS	NUMTSN	ROADNET	TRT
ALTSEQ	CTGAME	GSS6	LOSTNSURVIVED	NWERC11B	ROADS	TRVCOST
AMR10C	CTRICK	GUESSTHE	LUCIFER	NWERC11D	ROHAAN	TRYCOMP
ANARC05B	DCEPC502	HACKRNDM	MAIN12B	NWERC11F	ROUTING	TTM
APS	DCEPC505	HALLOW	MAIN8_C	ODDDIV	RPLA	UCV2013E
ARBITRAG	DICT	HAP01	MAKEMAZE	OLOLO	RPLD	ULM09
ARRAYSUB	DISQUERY	HAYBALE	MAKETREE	ONEZERO	RPLN	UPDATEIT
ASSIGN	DISUBSTR	HELPR2D2	MARTIAN	ONP	SABBIRGAME	VECTAR11
ATOMS	DIV2	HG	MATCHING	OPTM	SAMER08A	VECTAR8
BANDW	DIVFACT	HIGHWAYS	MATHLOVE	ORDERS	SAMER08F	VENOM
BDOI16A	DIVSUM2	HISTOGRA	MAXMATCH	ORDERSET	SBANK	VHELSING
BEENUMS	DOSA	HORRIBLE	MDOLLS	ORDSUM23	SCUBADIV	VOCV
BEHAPPY	DQUERY	HOTELS	MEDIAN3	OVERLAP	SEGSQRSS	WACHOVIA
BITMAP	EC_CONB	HS08PAUL	MICEMAZE	PAGAIN	SEQ	WEIGHT
BLINNET	EC_MODE	IMAGE	MINSTACK	PAIRSUM	SERVICE	YOSEQ
BLMIRINA	EDIST	IMPER	MINSTOCK	PALACE	SETSTACK	ZQUERY
BOMBER	EDIT	IMPUNITS	MINSUB	PALIN	SHPATH	ZSUM
BRCKTS	EIUASSEMBLY	INDIPROG	MISERMAN	PERFUME	SICRANO	ZUMA
BRCKTS2	EKO	INGRED	MIXTURES	PHONELST	SNGINT
BRDGHRD	ELEVTRBL	INTERVAL	MKJUMPS	POLYMUL	SOLDIERS
BRIDGE	EPALIN	INVCNT	MKTHNUM	PON	SPATHS
BRKSTRNG	EQDIV	INVESORT	MOD	POSTERS	SPIKES
BSHEEP	ETF	IOIPALIN	MOZHSLS	POUR1	SRTMACH
BUGLIFE	FACT0	ITRIX12E	MPILOT	PPATH	STONE

TODO list of classical problems:

ACODE	BGSHOOT	DCEPC706	FIBPSUM2	LISA	NORMA2	SOLVEIT
ADAAPHID	BIA	DCEPCA06	FINDSR	LOCKER	NOTATRI	SPAMD
ADABRANC	BOI7SOU	DIGOKEYS	FISHNET	MARBLES	NSUBSTR2	STC00
ADACYCLE	BURGLARY	DINOSM	FREQUENT	MATGAME	OPCPIZZA	SUBLEX
ADAGAME	BYECAKES	DNALAB	GCD2	MATSUM	OVISLARSUM	SUB_PROB
ADAGCD	CANDY3	DTWW	GCDGOOD	MBLAST	PARTY	SUPPER
ADAJOBS	CDC12_H	EAGLE1	GDCOFTI	MCAMP	PERIOD	TAP2013C
ADAORANG	CEQU	EASYMATH	GOODA	MDIGITS	PIE	TAXI
ADAPLANT	CHAIN	EC_ESTA	GOT	METEORS	POTHOLE	THECODE
ADASTRNG	CLOPPAIR	EC_P	GSS7	MINMOVE	POWERUP	THRSUM
ADFRUITS	CMG	EMTY2	HALD	MINNUM	POWFIB	TPERML
AHASH	CNTPRIME	ESCAPE1	HASHIT	MKUHAR	PRADIPSUM	TRAFFICN
AIBOHP	CNT_LUCK	ESCJAILA	HC12	MMASS	PRIMES2	TSUM
ALIEN	COCONUTS	ESJAIL	HIST2	MOBILE2	PRMQUER	TWENDS
AMR10G	CODESPTB	ETFD	HMLIS	MORSE	PRO	TWOSQRS
ANARC08A	CONDUIT	ETFS	HOMO	MOZHSLM	PYTRIP3	UCV2013H
ANGELS	CONSEC	EXPEDI	KDOMINO	MPOLY	QUEEN	URJC2_F
ANTTT	COT6	FACT1	KOPC12A	MSE07B	RATING	XMAX
ARDA1	COURIER	FACT2	KPMATRIX	MSKYCODE	REC	XXXXXXXX
ARITH	CPRIME	FACTMUL	KTH_INDEX	MULTQ3	RECPWSUM
ASCDFIB	CROSSOVER	FAILURE	LARMY	MYQ10	RLTOUR
BADXOR	CTAIN	FAKEHASH	LCS	NDS	RMID
BALLOON	CUBEFR	FCTRL2	LINEGAR	NICEBTRE	SERGRID
BENEFACT	DAVIDG	FFLOW	LIS2	NICEDAY	SHAHBG