Sun Zheng

@davidsun

China

Joined Mar 2007

World Rank: #100 (147.3 points)

Institution: Google Inc.

Activity over the last year

Effectiveness

 Problems solved
244
 Solutions submitted
1229

Problems

List of solved classical problems:

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

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