Sphere Online Judge (SPOJ)

Yingjiu Ma

@mayingjiu

Aruba, Lees

Joined Apr 2023

World Rank: #690 (37 points)

Institution: Brown University

Activity over the last year

Effectiveness

Problems solved: 315
Solutions submitted: 4407

Problems

List of solved classical problems:

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

TODO list of classical problems:

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