Sphere Online Judge (SPOJ) - User rui_er

Qiyu Cai

@rui_er

China, Beijing

Joined Mar 2020

World Rank: #1952 (15.6 points)

Institution: Tsinghua University High School

OIer

Activity over the last year

Effectiveness

Problems solved: 122
Solutions submitted: 299

Problems

List of solved classical problems:

ABSP1	BRCKTS	ENIGMATH	GSS1	LCS	PIGBANK	SERVICE
ACMT	BUBBLESORT	EPALIN	GSS3	LIGHTIN	PMATRIX	SQFREE
ACODE	BUGLIFE	EQBOX	GSS4	MAXSET	POLYMUL	SQRROOT
ACPC10A	BUSINESS	ETF	HAYBALE	MAXXOR	PON	STC10
ADACOINS	CANTON	FAVDICE	HISTOGRA	MDIGITS	POWERUP	SUBST1
ADAFRIEN	CF33C	FCTRL	HUBULLU	MINIMAX	PQUEUE	TEST
ADAFTBLL	CHAIN	FCTRL2	IMP	MKTHNUM	PR003004	TFSETS
ADAGF	CHAMPS	FENCE1	INVCNT	MOBILE2	PRIME1	TOUR
ADAINDEX	CHICAGO	FIBONOMIAL	JAVAC	MTOTALF	PRINT	TREE
ADAPET	CITY2	FIBOSUM	JGTLE	MUL	PROPKEY	TWOSQRS
ADASEQEN	CLOCK1	FIBPOL	JULKA	NAPTIME	PT07Z	UFPR14D
ADAUNIQ	CODESPTB	FREQUENT	KDOMINO	NGM2	QTREE	VFMUL
ADAUSORT	COINS	GCD2	KOSARE	NOVICE65	QUERYIT	VIDEO
APIO14_A	COT	GCDEX	KQUERY	NPC2015A	RACETIME	WILLITST
BACKUP	COT2	GCDEX2	KQUERYO	NUMOFPAL	RANGESUM
BALNUM	DIG	GCDS	KUSAC	OPTM	REPEATS
BINSTIRL	DISUBSTR	GDCOFTI	LAGRANGE	PERMUT1	RSHIFT
BLUNIQ	DQUERY	GIVEAWAY	LCMSUM	PHONELST	SBANK

TODO list of classical problems:

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