Sphere Online Judge (SPOJ) - User rui_er

Qiyu Cai

@rui_er

China, Beijing

Joined Mar 2020

World Rank: #2348 (13.6 points)

Institution: Tsinghua University High School

OIer

Activity over the last year

Effectiveness

Problems solved: 106
Solutions submitted: 271

Problems

List of solved classical problems:

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

TODO list of classical problems:

EQBOX	PRINT
KNIGHTS

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