zilong zhao

@zhaozilong

China, Wuhan

Joined Dec 2015

World Rank: #53 (217.7 points)

Institution: Huazhong University Of Science & Technology

Activity over the last year

Effectiveness

 Problems solved
781
 Solutions submitted
22370

Problems

List of solved classical problems:

ABA12C BORW DOL HELPR2D2 MBLAST POLYMUL SUFEQPRE
ABA12D BOXES DOMINO8 HERDING MCHAOS POLYNOM SUMFOUR
ABCDEF BOYSCOUT DONALDO HG MCOINS PON SUMITR
ABCPATH BRCKTS DOTAA HIGH MDIGITS POSTERS SUMPRO
ABSP1 BRIDGE DPAIR HIGHWAYS MDOLLS POTHOLE SUMSUMS
ABSURD BRKSTRNG DQUERY HIST2 METEORS POUR1 SWAPS
ABSYS BROKEN DRUIDEOI HISTOGRA MGLAR10 POWPOW SYNC13C
ACANVAS BSHEEP DSUBSEQ HJB MHLAR10 PPATH TAP2012A
ACMT BUGLIFE DWARFLOG HMBY MICEMAZE PQUEUE TAP2012B
ACODE BUSYMAN DYNACON1 HOMEW MINMOVE PR003004 TAP2012C
ACPC10A BUZZW DYNALCA HOMO MINNUM PRATA TAP2012D
ACPC10D BVAAN EAGLE1 HONDA MINSUB PRIME1 TAP2012F
ACPC10G BWIDOW EASYPROB HORRIBLE MISERMAN PRINT TAP2013C
ACPC11B BYECAKES EC_CONB HOSPITAL MIXTURES PRMLX TAP2013E
ACPC11C BYTESE2 EDIST HOTELS MKEQUAL PRO TAP2013G
ACQUIRE BYTESM2 EGYPIZZA HPYNOS MKJUMPS PROBLEM4 TAP2013H
ACTIV CAC EIGHTS HS08PAUL MKTHNUM PROD1GCD TAP2013J
ADACLEAN CADYDIST EIUASSEMBLY HS09EQ MLASERP PROOT TAP2014B
ADACYCLE CAM5 EKO HS10SQFT MMAHWIRE PRUBALL TAP2014E
ADAFIELD CANDY ELEVTRBL HUBULLU MMASS PSTRING TAP2014F
ADAGAME CANDY3 EMTY2 HXH MMATRIX PSYCHON TAP2014G
ADAGAME2 CANTON ENCONDIN IAPCR2C MMMGAME PT07C TAP2014H
ADAINDEX CAPCITY ENIGMATH IAPCR2F MOBILE2 PT07F TAP2014J
ADALIST CATM EOPERA ICANDIES MOD PT07J TAP2015A
ADAPICK CATTACK EPALIN IE4 MPILOT PT07X TAP2015C
ADAQUEUE CCHESS EQUI IGAME MROADS PT07Y TAP2015G
ADARAINB CCOST ESYRCRTN IITKWPCG MSCHED PT07Z TAP2016B
ADDGP CDC12_A ETF IITKWPCN MSE06H PTIME TAP2016C
ADDREV CDRSANJ EXPEDI IITWPC4F MSKYCODE PUCMM210 TAP2016D
ADFRUITS CEQU EXPOR IITWPC4I MSTRING PUTNIK TAP2016F
ADVEDIST CERC07B EXPRESS IM MTOTALF PYRA TAP2016J
AE00 CERC07K FACEFRND IMMERSED MTREE QCJ3 TAP2016K
AE2A CF25E FACENEMY IMPER MTRIAREA QCJ4 TAP2016L
AE5A2 CHAIN FACT0 INC2015F MUL QMAX3VN TAXI
AEROLITE CHAIR FACTCG2 INCDSEQ MULTQ3 QTDIVIDE TBATTLE
AFS CHASE FACTMUL INCSEQ MUSKET QTREE TBGAME
AGGRCOW CHEATING FACVSPOW INGRED MYQ10 QTREE2 TDKPRIME
AIBOHP CHOCOLA FAILURE INS14G NAJMS QTREE4 TDPRIMES
ALIBB CINEMACON FANCY INTSUB NAJPF QTREE5 TEAM2
ALICESIE CIRCLE_E FARIDA INUM NAKANJ QTREE6 TEMPLEQ
ALIEN CIRU FASHION INVCNT NDIV QTREE7 TEST
ALLIZWEL CIRUT FASTFLOW IOIPALIN NDIVPHI QUERYSTR TETRA
ALTSEQ CISTFILL FASTFOOD IWGBS NDIVPHI2 QUEST4 TFOSS
AMBIG CITY2 FAVDICE JEDNAKOS NEG2 RACETIME TFSETS
AMBM CLASSICO FCANDY JNEXT NETADMIN RANGESUM THREECOL
AMR10C CLEANRBT FCTRL JULKA NEXTLEX RANGZER2 TIPTOP
AMR10E CLK FCTRL2 JZPGYZ NFACTOR RAONE TLE
AMR10G CLOPPAIR FIBOSUM KAOS NGCD RENT TMSUM
AMR11A CLZSTRNG FIBPOL KATHTHI NGM REPEATS TOANDFRO
AMR11B CMG FIBTWIST KGSS NGM2 RIVALS TOE1
AMR11D CMPLS FILRTEST KHANS NHAY RKS TPCPALIN
AMR11E CNTDO FINDPRM KNIGHTS NICEBTRE RMID2 TRAFFICN
AMR11F CNTINDX FINDSR KOICOST NICEDAY RNG TRANSP2
AMR11H CNTPRIME FINFRAC KOPC12A NINJA3 ROADS TREECST
AMR11I COCONUTS FINGP KOZE NITK06 ROCK TREEORD
AMR11J CODEIT03 FISHER KPEQU NOCHANGE RPAR TRENDGCD
AMR12D CODEM4 FNRANK KPGAME NOTATRI RPLA TRICOUNT
AMR12I CODERE3 FP KPGRAPHS NOVICE63 RPLB TRIGALGE
AMZSEQ CODFURY FPLAN KPSUM NPC2014A RPLC TRIP
ANARC05B COINS FPOLICE KPURSUIT NPC2014B RPLL TRNGL
ANARC05H COLONY FREQ2 KQUERY NPC2014E RPLN TRT
ANARC05I COMDIV FREQUENT KQUERYO NPC2014F RROOT TRVCOST
ANARC08G COOLNUMS FRNDCIRC KURUK14 NPC2015A SAFECRAC TSHOW1
ANARC08H CORNET FRQPRIME LABYR1 NPC2015D SAMER08A TSUM
ANARC09A COT FTOUR2 LAS NPC2016A SAMER08C TTM
ANDROUND COT2 FUNPROB LASER_BEAM NQUEEN SAMER08D TWENDS
ANGRMTST COT3 GAMES LASTDIG NSTEPS SAMER08E TWOKINGS
ANTP COT4 GANNHAT LAZYPROG NSUBSTR SAMER08F TWOPATHS
ANTTT COU GCD2 LCA NUMOFPAL SBANK TWOSQRS
APIO10A COURAGE GCD3 LCMSUM NUMPATH SBETS UCV2013A
APS COURIER GCDEX LCPC12B NUMTSN SCALES UCV2013E
ARBITRAG COWCAR GCJ1C09A LCS NWERC04H SCAVHUNT UCV2013H
ARCTAN CPAIR GCJ1C09C LCS0 NY10E SCITIES UJ01
ARDA1 CPCRC1C GCPC11H LCS2 ODDDIV SCPC11B ULM09
ARITH2 CPRIME GCPC11J LCS3 ODWS SCUBADIV UNTITLE1
ARMY CRAN02 GEN LEXIPOS OILCOMP SEGSQRSS UOFTCG
ARRANGE CRAN04 GEOPROB LEXSTR OLOLO SEQ UPDATEIT
ARRAYSUB CRDS GERGOVIA LGLOVE OMWG SEQ6 VCIRCLES
ARTHEVAL CRSCNTRY GNY07H LIM ONEZERO SERGRID VECTAR1
ASCDFIB CS345A1 GNYR09F LINES ONP SHAHBG VECTAR13
ASSIGN CSTREET GOC11B LINEUP OPCPIZZA SHANGUL VECTAR5
ATOMS CTGAME GONE LIS2 OPTM SHOP VENOM
BABTWR CTRICK GOO LISA ORDERS SHPATH VFMUL
BABY CUBEFR GOODA LITE ORDERSET SKYLINE VISIBLEBOX
BACKPACK CUBNUM GOODB LKS OTOCI SNGINT VLATTICE
BACKUP CVJETICI GOODG LOOPEXP PAGAIN SNGMSG VMILI
BADXOR CVXPOLY GOT LOPOV PAINTWAL SOLDIER VOCV
BAISED CYLINDER GPA1 LOSTBOX PALDR SOLIT VONNY
BALLOON DAGCNT GPINTRI LOSTNSURVIVED PALIN SORTBIT VOTAS
BALLOT DANGER GRASSPLA LOTGAME PARTIT SPEED WACHOVIA
BALLSUM DBALLZ GS LPERMUT PARTPALI SPIKES WATER
BALNUM DCEPC11B GSCANDY LQDCANDY PARTY SPIRALGR WEBISL
BANDW DCEPC13D GSHOP LUCIFER PATULJCI SPP WEIGHT
BANKROB DCEPC206 GSS1 M00PAIR PAYING SQDANCE WEIRDFN
BARB DCEPC501 GSS2 M3TILE PERFUME SQFREE WILLITST
BAT1 DCEPC706 GSS3 MAIN112 PERIOD SQRBR WORDS1
BEADS DCEPCA03 GSS4 MAIN72 PERIODNI SQRMINSUM WPC5I
BGSHOOT DCOWS GSS5 MAIN75 PERMUT1 SSHUFFLE WPUZZLES
BIGSEQ DETER3 GSS6 MAIN8_C PERMUT2 SSORT WSCIPHER
BINGO DFLOOR GSS7 MAKEMAZE PFDEP STABLEMP WTK
BINSTIRL DICT GSS8 MARBLES PGCD STAMPS XMAX
BIPCSMR16 DIEHARD GUANGGUN MARIOGAM PHIDIAS STARSBC XOINC
BITDIFF DIGOKEYS HABLU MARTIAN PHONELST STC02 XXXXXXXX
BITMAP DINGRP HACKING MATCHING PHRASES STPAR XYI
BLAMOEBA DISJPATH HACKRNDM MATHLOVE PHT STRANG YAPP
BLINNET DISQUERY HALLOW MATSUM PIE STRNGSLV YODANESS
BLMIRANA DISUBSTR HAMSTER1 MAXLN PIGBANK SUBLEX ZAMENA
BLMIRINA DIV HANGOVER MAXMATCH PIHU1 SUBMERGE ZQUERY
BOKAM143SOU DIVCNT2 HAROWS MAXRAD PLAYGAME SUBS ZSUM
BOMBER DIVFACT HASHIT MAXSUMSQ PLD SUBST1
BOMBER1 DIVISION HEADSHOT MBEEWALK PLSQUARE SUBSUMS
BOOKS1 DIVSUM2 HEISLAZY MBIPALIN POLISH SUBXOR

TODO list of classical problems:

ABCD BUD13TLF EQ2 IITKWPCL MINDIFF PRJAN15E TAP2012G
ACPC10B BWB EUROPEAN IITKWPCO MINUS PROFIT TAP2012H
ACPC10F BWORK EVENFRQ INCR MKPAIRS PSYCHO3 TAP2013A
ADST01 CARDSHUF EXLAGFIB INS14C MMINPER QUADAREA TAP2013D
AJOB CASHIER EXPLOSN INTEGER1 MOLE QUEEN TAP2014C
AKBAR COLORSEG FACT1 INTERVA2 MON2012 RAIN1 TAP2014I
AKVQLD03 COVER FCDC INVENT MONODIG RATING TAP2015B
ALIENS COWPIC FN16ASGN IPL1 MOON1 REPAIR1 TAP2015J
ALL CPATTERN FOOL JAVAC MPOLY RMID TAP2016E
ALTPERM CRAZYSK FRND JOSWAP MREPLBRC RSTAURNT TAP2016G
ANARC08B CROSSOVER FRNDZND JUMPPY MSE08G SABBIRGAME TAP2016I
ANARC08F CRYPTO1 FSEATS JZPEXT MSTS SAM TESSER
AND CRZYSMKR FTOUR KNMOVE MUDDY SAMTWARR TETRIS3D
ANGELS CT FURYROAD KOSPC13B MVECTOR SANTA1 TIEROPE
APIO14_A CUBERT GALOU KPARCH MZVRK SAWMILL TOE2
AREA1 CUTSQRS GAME KPMATRIX NSUBSTR2 SECTORS TOHU
ARITH CWC2015 GAME3 KRECT NUMQDW SEGMENTS TOP10
ARRPRM CZ_PROB1 GCDS KSMALL NUMTRY SEQ2 TOSCORE
ASSIGN4 DAVIDG GCJ1C09B KULE NWERC11B SEQPAR2 TOUR
ASSIST DCEPC504 GCPC11A LASTDIG2 OAE SHOP2 TRANSP
BCAKE DEFKIN GCPC11D LASTSHOT PAIRDIV2 SKY TREEISO
BENEFACT DEXTER GEM LAZYCOWS PAIRSUM SKYLINE2 TSUNAMI
BIA DISNEY GEN2 LCPC12F PARADOX SMILEY1807 TTTABLE
BIDGAME DISTANCE GETFAST LIGHTIN PARITY SOCIALNE TWIST
BISHOPS DIV2 GIVEAWAY LMCONSTR PATHEADS SORTMAC TWOPROF
BITPLAY DIVCNT3 GR LPIS PATHGAME STARGATE UCV2013K
BLOPER DIVREL GREED MAIN74 PBCGAME STONE UOFTCC
BLOPER2 DNALAB HEAPULM MATCH PEBBMOV STORE VECTAR11
BOMB2 DOMINOES HIGHWAY1 MATGAME PLNDROME STREDUCE VPALIN
BOOKWORM DOORSPEN HKNAP MAWORK POWERCAR STRLCP WINDVANE
BOTTOM DYZIO HOLIDAY1 MAXOR POWFIB SUBSET WORDCNT
BOX EASYMATH HSHW MCAMP PRHYME SUB_PROB WPC5C
BRCKTS2 EDIT IAPCR2E MEDIAN3 PRIME SUPPER YOUWIN
BRDGHRD EMOTICON IE1 MFISH PRIMEZUK TANKS ZIGZAG
BST EN IITKWPCJ MILPATR PRJAN15B TAP2012E