Sun Zheng

@davidsun

China

Joined Mar 2007

World Rank: #105 (142.9 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 MKBUDGET PRLGAME STORE
ACS CASHIER EOPERA HIGH MKJUMPS PROFIT SUBSEQ
AEROLITE CAVE EQU2 HOLIDAY1 MLAND PSTRING SUBST1
ALIBB CCOST EXPAND HOLIDAY2 MOBILE PT07A SUDOKU
ALICEBOB CDOWN EXPLOSN HOSPITAL MOBILE2 PT07C SUDOKU2
ALIENS CEPC08B FAIRONOT ICAMPSEQ MOLE PT07D SWAPS
ALTARS CERC07C FAMILY ICERINK MORPH PT07F TEST
AMATH CHAIN FCATTLE ICPCS MSTS PT07H TETRIS3D
ANALYSER CHRIS FERRY IMPORT1 MUSIC PT07J TFSETS
ARCTAN CIRCLES FFROG INCDSEQ MWORDS QTREE TILING
ARITH CLEVER FINFRAC INCR NAJKRACI QTREE2 TOUR
AROAD CMEXPR FIRM INDEXGEN NAPTIME QTREE4 TRAFFICN
AROUND COCONUTS FOLD ININT NCKLCE QTREE5 TRANSP
ASSIGN5 CONTEST FOREST2 KEQ NICEDAY RAIL TRANSP2
BAC COVER FRACTAN KNIGHTS NQUEEN RAILROAD TREASURY
BACKPACK COVER2 FSEATS KPARCH OFBEAT RAIN2 TREEOI14
BALLOON CSUBSEQS FSHEEP KPMATRIX ONP RATTERN TRIOPT
BARB CUTOUT FTOUR KPMAZE OPTM RECTANGL TRIP
BIA CVXPOLY FTOUR2 KPPOLY OPTSUB REMGAME TRSTAGE
BICYCLE DETER2 GANNHAT KPSUM ORZ RNG TTABLE
BIGSEQ DETER3 GCD2 KRUSKAL PAINTBLC ROBOT TWOPROF
BIRTHDAY DIRVS GEN LARGE PAINTBLK ROCKETS UCUBE
BLOCKS DISTANCE GETBACK LEMON PAINTTMP RP UNTITLE1
BLUEEQ DISUBSTR GIWED LIAR PALIN RSORTING UNTITLED
BLUEEQ2 DIVSUM2 GLOVE LIS2 PARITY SC1 WARE
BOOKCASE DNA GPINTRI LOGIC2 PERMUT3 SCITIES WIDGET
BOOLE DNALAB GRC LONER PHRASES SEGMENTS WIJGT
BOXES DOMINO2 GREED LOSTCT PIB SEQ1 WILD
BOYSCOUT DOUBLEVI GREEDULM LPERMUT PNTBYNUM SEQ2 WINDOW1
BPRED DQUERY GSS1 MARTIAN POLYCODE SEQ5 WMELON
BRCKTS DRAGON GSS2 MATH1 POLYEQ SKIVALL WORDEQ
BUILD DRAGON2 GSS3 MAZE POLYSSQ SOPARADE WORDRING
CAKE EASYPROB GSS5 MDST PRETILE SPIN WORDS
CAKE2 EDIT2 HEAPULM MEMDIS PRHYME SPP WORMS
CAKE3 EDIT3 HEXAGON MINUS 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