Sun Zheng

@davidsun

China

Joined Mar 2007

World Rank: #94 (149.3 points)

Institution: Google Inc.

Activity over the last year

Effectiveness

 Problems solved
245
 Solutions submitted
1229

Problems

List of solved classical problems:

ACARGO CALCULAT ENEMY HHAND MKBUDGET PRIME1 SQCOUNT
ACS CASHIER EOPERA HIGH MKJUMPS PRLGAME STORE
AEROLITE CAVE EQU2 HOLIDAY1 MLAND PROFIT SUBSEQ
ALIBB CCOST EXPAND HOLIDAY2 MOBILE PSTRING SUBST1
ALICEBOB CDOWN EXPLOSN HOSPITAL MOBILE2 PT07A SUDOKU
ALIENS CEPC08B FAIRONOT ICAMPSEQ MOLE PT07C SUDOKU2
ALTARS CERC07C FAMILY ICERINK MORPH PT07D SWAPS
AMATH CHAIN FCATTLE ICPCS MSTS PT07F TEST
ANALYSER CHRIS FERRY IMPORT1 MUSIC PT07H TETRIS3D
ARCTAN CIRCLES FFROG INCDSEQ MWORDS PT07J TFSETS
ARITH CLEVER FINFRAC INCR NAJKRACI QTREE TILING
AROAD CMEXPR FIRM INDEXGEN NAPTIME QTREE2 TOUR
AROUND COCONUTS FOLD ININT NCKLCE QTREE4 TRAFFICN
ASSIGN5 CONTEST FOREST2 KEQ NICEDAY QTREE5 TRANSP
BAC COVER FRACTAN KNIGHTS NQUEEN RAIL TRANSP2
BACKPACK COVER2 FSEATS KPARCH OFBEAT RAILROAD TREASURY
BALLOON CSUBSEQS FSHEEP KPMATRIX ONP RAIN2 TREEOI14
BARB CUTOUT FTOUR KPMAZE OPTM RATTERN TRIOPT
BIA CVXPOLY FTOUR2 KPPOLY OPTSUB RECTANGL TRIP
BICYCLE DETER2 GANNHAT KPSUM ORZ REMGAME TRSTAGE
BIGSEQ DETER3 GCD2 KRUSKAL PAINTBLC RNG TTABLE
BIRTHDAY DIRVS GEN LARGE PAINTBLK ROBOT TWOPROF
BLOCKS DISTANCE GETBACK LEMON PAINTTMP ROCKETS UCUBE
BLUEEQ DISUBSTR GIWED LIAR PALIN RP UNTITLE1
BLUEEQ2 DIVSUM2 GLOVE LIS2 PARITY RSORTING UNTITLED
BOOKCASE DNA GPINTRI LOGIC2 PEBBMOV SC1 WARE
BOOLE DNALAB GRC LONER PERMUT3 SCITIES WIDGET
BOXES DOMINO2 GREED LOSTCT PHRASES SEGMENTS WIJGT
BOYSCOUT DOUBLEVI GREEDULM LPERMUT PIB SEQ1 WILD
BPRED DQUERY GSS1 MARTIAN PNTBYNUM SEQ2 WINDOW1
BRCKTS DRAGON GSS2 MATH1 POLYCODE SEQ5 WMELON
BUILD DRAGON2 GSS3 MAZE POLYEQ SKIVALL WORDEQ
CAKE EASYPROB GSS5 MDST POLYSSQ SOPARADE WORDRING
CAKE2 EDIT2 HEAPULM MEMDIS PRETILE SPIN WORDS
CAKE3 EDIT3 HEXAGON MINUS PRHYME SPP WORMS

TODO list of classical problems:

BALIFE CERC07H DICE1 LEXBRAC SEQPAR2 TLE
BRCKGAME CERC07S EXCHANGE LINELAND SERVICE TOMJERRY
BREAK DELCOMM2 HANGLET MINDIST SSORT
BUNDLE DESERT HKNAP MKPAIRS TICKET