zilong zhao

@zhaozilong

China, Wuhan

Joined Dec 2015

World Rank: #15 (457.8 points)

Institution: Huazhong University Of Science & Technology

Activity over the last year

Effectiveness

 Problems solved
1361
 Solutions submitted
69977

Problems

List of solved classical problems:

ABA12C BLCONE DIVCNT3 HEADSHOT MAX_NUM PLNDROME SUBS
ABA12D BLINNET DIVCNTK HEAPULM MAY99_3 PLNDTREE SUBSET
ABCD BLLUCK DIVFACT HEISLAZY MB1 PLSQUARE SUBSHARD
ABCDEF BLMIRANA DIVFACT3 HELPR2D2 MBALL PMATRIX SUBST1
ABCPATH BLMIRINA DIVISION HERDING MBEEWALK POKER SUBSUMS
ABSP1 BLOCK_D DIVREL HEXGRAM MBINGO POLICEMEN SUBXOR
ABSURD BLOPER DIVSEQ HG MBIPALIN POLISH SUB_PROB
ABSYS BOI7SEQ DIVSTR HIGH MBLAST POLQUERY SUFEQPRE
ACANVAS BOI7SOU DIVSUM2 HIGHWAYS MBRACKET POLTOPOL SUM1SEQ
ACMAKER BOKAM143SOU DNALAB HIPPO MC POLYEQ SUMFOUR
ACMT BOMARBLE DOL HIST2 MCARDS POLYMUL SUMITR
ACODE BOMBER DOMINO8 HISTOGRA MCHAOS POLYNOM SUMMATION
ACPC10A BOMBER1 DONALDO HJB MCIRGAME PON SUMMUL
ACPC10D BOOKCASE DOORSPEN HKNAP MCOINS POSTERS SUMPRO
ACPC10G BOOKS1 DOTAA HLP_RAMS MDIGITS POTHOLE SUMSUMS
ACPC11B BOOKWORM DPAIR HMBY MDOLLS POUR1 SUPPER
ACPC11C BOPERISH DQUERY HOLI METEORS POWERCAR SWAPS
ACQUIRE BORING DRACULA HOMEW MFISH POWPOW SWTHIN
ACTIV BORW DRAGKING HOMO MGLAR10 POWPOW2 SYNC13C
ADABANKET BOTTOM DRINK HONDA MHLAR10 PPATH TABLE
ADABERRY BOXES DRUIDEOI HORRIBLE MICEMAZE PQUEUE TAP2012A
ADABRANC BOYSCOUT DSUBSEQ HOSPITAL MINMOVE PR003004 TAP2012B
ADACABAA BRCKTS DSUBTREE HOTELS MINNUM PRADIPSUM TAP2012C
ADACHES2 BRDGHRD DWARFLOG HPYNOS MINSTACK PRATA TAP2012D
ADACLEAN BRIDGE DYNACON1 HS08PAUL MINSTOCK PRETILE TAP2012E
ADACOINS BRKSTRNG DYNACON2 HS09EQ MINSUB PRHYME TAP2012F
ADACON BROKEN DYNALCA HS10SQFT MISERMAN PRIME TAP2012G
ADACROP BSHEEP DYZIO HUBULLU MIXTURES PRIME1 TAP2012H
ADACUT BST EAGLE1 HUSGAME MKBUDGET PRINT TAP2013C
ADACYCLE BTCODE_G EASYMATH HXH MKEQUAL PRMLX TAP2013E
ADADUNG BUBBLESORT EASYPIE IAPCR2C MKJUMPS PRMQUER TAP2013G
ADAFENCE BUD13TLF EASYPROB IAPCR2D MKTHNUM PRO TAP2013H
ADAFIELD BUGLIFE EC_CONB IAPCR2F MKUHAR PROBLEM4 TAP2013J
ADAFIMBR BUSYMAN EC_DIVS IBIGAME MLASERP PROD1GCD TAP2014B
ADAFRIEN BUZZ EC_MODE ICANDIES MLK PROFIT TAP2014C
ADAFTBLL BUZZW EC_P ICPCS MMAHWIRE PROOT TAP2014E
ADAFUROW BVAAN EDDIST IE1 MMASS PRUBALL TAP2014F
ADAGAME BWIDOW EDIST IE2 MMATRIX PSTRING TAP2014G
ADAGAME2 BYECAKES EDIT IE4 MMAXPER PSWITCH TAP2014H
ADAGCD BYTESE1 EGYPIZZA IGAME MMINMAX PSYCHON TAP2014J
ADAGROW BYTESE2 EIGHTS IGOR MMINPAID PT07C TAP2015A
ADAHW BYTESM2 EIUASSEMBLY IITKWPCA MMMGAME PT07F TAP2015B
ADAINDEX C1LJUTNJ EKO IITKWPCG MOBILE2 PT07J TAP2015C
ADAJOBS CAC ELCS IITKWPCH MOBIVINA PT07X TAP2015D
ADAKOHL CADYDIST ELEVTRBL IITKWPCJ MOD PT07Y TAP2015G
ADALIST CAKE2 EMOTICON IITKWPCM MOHIB PT07Z TAP2015H
ADAMATCH CAM5 EMTY2 IITKWPCN MON2012 PTIME TAP2015J
ADAMOLD CANDN EMTY3 IITWPC4F MONKK PUCMM210 TAP2015K
ADAORANG CANDY ENCONDIN IITWPC4I MONODIG PUTNIK TAP2016B
ADAPARTY CANDY3 ENIGMATH ILKQUERY2 MORSE PYRA TAP2016C
ADAPET CANTON EOPERA IM MOVIFAN QCJ3 TAP2016D
ADAPHOTO CAPCITY EPALIN IMMERSED MOZHCAN QCJ4 TAP2016F
ADAPICK CARDSHUF EQUI IMPER MOZHSLM QMAX3VN TAP2016J
ADAPLANT CASHIER ESCJAILA INC2015F MOZHSLS QN01 TAP2016K
ADAPLNTS CATM ESJAIL INCARDS MPILOT QTDIVIDE TAP2016L
ADAPOWER CATTACK ETF INCDSEQ MPOINT QTREE TAXI
ADAQUEUE CBANK ETFD INCPOWK MRECTCNT QTREE2 TBATTLE
ADARAIN CCHESS ETFS INCSEQ MROADS QTREE4 TBGAME
ADARAINB CCOST EXPEDI INDIPROG MSCHED QTREE5 TDKPRIME
ADASALE CDC12_A EXPOR INGRED MSE06H QTREE6 TDPRIMES
ADASALES CDC12_H EXPRESS INS14A MSE06I QTREE7 TEAM2
ADASEA CDRSANJ FACEFRND INS14C MSE08H QUADAREA TEMPERAT
ADASEQEN CEPC08B FACENEMY INS14G MSKYCODE QUE2 TEMPLEQ
ADASTRNG CEQU FACT0 INS14H MSTRING QUEEN TESSER
ADASUM CERC07B FACT1 INTEGER1 MSTRMND QUERYSTR TEST
ADATEAMS CERC07C FACT2 INTSUB MSUBSTR QUEST4 TETRA
ADATREE CERC07K FACTCG2 INUM MTOTALF QUEST5 TETRAHRD
ADATRIP CF25E FACTDIV INUMBER MTREE QUILT TETRAVEX
ADAUNIQ CGBOY FACTMUL INVCNT MTREECOL RACETIME TFOSS
ADAUSORT CHAIN FACTMULN INVDIV MTRIAREA RAIN1 TFRIENDS
ADDGP CHAIR FACVSPOW INVESORT MUDDY RANDMOD TFSETS
ADDREV CHARGY FAILURE INVPHI MUL RANGESUM THECODE
ADFRUITS CHASE FAKETSP IOIPALIN MULSORT RANGZER2 THRBL
ADRABR CHASE1 FALTAENV IOPC1207 MULTII RANJAN02 THREECOL
ADV04F1 CHEATING FANCY ISAB MULTQ3 RAONE THREENUMBERS
ADVEDIST CHICAGO FARIDA IWGBS MUSKET RATING TIP1
AE00 CHMAZE FASHION JEDNAKOS MYQ10 RCB TIPTOP
AE2A CHOCOLA FASTFLOW JGTLE NABILHACKER REAYZCODETST TLE
AE5A2 CIJEVI FASTFOOD JNEXT NABILISU RECTANGL TMSUM
AEROLITE CINEMACON FAVDICE JOKER1 NACCI REDARR2 TOANDFRO
AFS CIRCLE_E FCANDY JOSWAP NAJGC RENT TOE1
AGGRCOW CIRU FCDC JUICE NAJKRACI REPEATS TOE2
AGPC01G CIRUT FCTRL JULKA NAJMS RESIST TOHU
AIBOHP CISTFILL FCTRL2 JUMPPY NAJPF RGBRED TORNJEVI
AKBAR CITY2 FENCE1 JZPGYZ NAJPWG RIOI_2_3 TOSCORE
AKVQLD03 CLASSICO FIBONOMIAL JZPLIT NAKANJ RIVALS TOUGH
ALCATRAZ2 CLEANRBT FIBOSQRT KAOS NAPTIME RKS TOUR
ALCATRAZ3 CLFLARR FIBOSUM KATHTHI NATALIAG RMID TOURIST
ALCATRAZ4 CLK FIBPOL KDOMINO NDIV RMID2 TPCPALIN
ALIBB CLOPPAIR FIBPWSUM KFSTB NDIVPHI RNG TPGA
ALICESIE CLOSEST FIBTWIST KGSS NDIVPHI2 ROADS TRAFFICN
ALIEN CLSLDR FILRTEST KHANS NDS ROCK TRANCLS
ALL CLZSTRNG FINDPRM KITROB NDT ROCKETS TRANSP2
ALLIN1 CMG FINDSR KMEDIAL NECKLACE ROHAAN TREECST
ALLIZWEL CMPLS FINFRAC KNIGHTS NEG2 ROOTCIPH TREEDEGREE
ALTSEQ CNTDO FINGP KNMOVE NETADMIN RPAR TREEISO
AMBIG CNTINDX FISHER KOICOST NEXTLEX RPGAMES TREEORD
AMBLE CNTPRIME FLING1 KOIREP NFACTOR RPLA TREEPAL
AMBM COCONUTS FLOWERS KOMPICI NFURY RPLB TRENDGCD
AMCODES CODECODE FLWRS KOPC12A NGCD RPLC TRICENTR
AMR10C CODEIT03 FN16ASGN KOPC12H NGM RPLL TRICKTRT
AMR10E CODEM4 FN16SWAP KOSARE NGM2 RPLN TRICOUNT
AMR10G CODERE3 FNRANK KOZE NHAY RRANGE TRIGALGE
AMR11A CODESPTB FOODIES KPEQU NICEBTRE RROOT TRIKA
AMR11B CODFURY FOXLINGS KPGAME NICEDAY RTREE TRIP
AMR11D COINS FP KPGRAPHS NICESEQ RUNAWAY TRIPINV
AMR11E COLONY FPLAN KPMATRIX NINJA3 SABBIRGAME TRNGL
AMR11F COMDIV FPOLICE KPOWERSUM NINJA7 SAFECRAC TROOPS
AMR11H COMPANYS FREQ2 KPPOLY NITK06 SALMAN TRT
AMR11I CONDUIT FREQUENT KPRIMESB NITT4 SAM TRVCOST
AMR11J CONNECT FRND KPSUM NOCHANGE SAMBOX TRYCOMP
AMR12A CONSEC FRNDCIRC KPURSUIT NORMA2 SAMER08A TSHOW1
AMR12D COOLNUMS FRNDZND KQUERY NOSQ SAMER08B TSUM
AMR12I CORNET FRQPRIME KQUERYO NOTATRI SAMER08C TTM
AMZSEQ COT FSEATS KRECT NOVICE43 SAMER08D TTTABLE
ANARC05B COT2 FTOUR2 KSMALL NOVICE63 SAMER08E TULIPNUM
ANARC05H COT3 FUNFACT KURUK14 NPC2014A SAMER08F TUTMRBL
ANARC05I COT4 FUNPROB LABYR1 NPC2014B SAMTWARR TWENDS
ANARC07C COU FURYROAD LAS NPC2014E SAS001 TWIST
ANARC08A COUNT1IT GAMARENA LASER_BEAM NPC2014F SAS002 TWOGAME
ANARC08B COURAGE GAME3 LASTDIG NPC2015A SBANK TWOKINGS
ANARC08G COURIER GAMES LASTDIG2 NPC2015B SBETS TWOPATHS
ANARC08H COVER GANNHAT LASTSHOT NPC2015D SCALES TWOSQRS
ANARC09A COVER2 GCD2 LAZYPROG NPC2015F SCAVHUNT UCBINTG
ANARC09B COWCAR GCD3 LCA NPC2016A SCELL UCI2009D
ANARC09F CPAIR GCDEX LCMSUM NPC2016C SCITIES UCV2013A
AND CPAIR2 GCDEX2 LCPC11B NQUEEN SCPC11B UCV2013B
ANDROUND CPATTERN GCDMAT LCPC12B NSTEPS SCPC11H UCV2013E
ANGELS CPCRC1C GCJ082A LCPC12F NSUBSTR SCUBADIV UCV2013H
ANGRMTST CPRIME GCJ1C09A LCS NSUBSTR2 SEGMENTS UCV2013I
ANTP CPRMT GCJ1C09C LCS0 NSYSTEM SEGSQRSS UFPR14D
ANTTT CRAN02 GCJ2012C LCS2 NTHPRIME SELTEAM UJ
AP2 CRAN04 GCPC11B LCS3 NTICKETS SEQ UJ01
APIO10A CRAYON GCPC11D LDP NUB04 SEQ6 ULM02
APIO14_A CRDS GCPC11H LEXIPOS NUM08 SEQN ULM09
APM CROSSOVER GCPC11J LEXSTR NUMOFPAL SEQPAR UNIHW
APS CRSCNTRY GDCOFTI LGLOVE NUMPATH SERGEARS UNTITLE1
ARBITRAG CRYPTO6 GDIL LIFEGAME NUMTHEO01 SERGRID UOFTCG
ARCTAN CRYPTON GEEKOUNT LIGHTIN NUMTSN SERVICE UPDATEIT
ARDA1 CRZYSMKR GEN LIM NWERC04H SFN VBOSS
AREA1 CS345A1 GEN2 LINEGAR NWERC11F SGAME VCIRCLES
ARITH CSTREET GEOPROB LINES NY10E SGIFT VECTAR1
ARITH2 CTGAME GERGOVIA LINEUP ODDDIV SHAHBG VECTAR10
ARMY CTRICK GGD LIS2 ODWS SHAKILKEYWORD VECTAR13
AROPE3 CTTC GHOSTS LISA OEN SHANGUL VECTAR5
ARRANGE CUBEFR GIRLSNBS LITE OFFSIDE SHELF VECTAR8
ARRAYSUB CUBNUM GIVEAWAY LITEPIPE OILCOMP SHOP VENOM
ARRTWIST CVJETICI GMSTRE LKS OLOLO SHOP2 VFMUL
ARTHEVAL CVXPOLY GNY07C LMCONSTR OMWG SHPATH VHUFFM
ASCDFIB CWORLD GNY07D LOCKER ONBRIDGE SINEGGS VIENTIAN
ASSIGN CYCLERUN GNY07F LONGCS ONEZERO SKIVER1 VISIBLEBOX
ASSIST CYLINDER GNY07H LOOPEXP ONORIVER1 SKY VISION
ASUMHARD CZ_PROB1 GNYR09F LOPOV ONP SKYLINE VLATTICE
ATOMS DAGCNT GOALFR LOSTBOX OPCPIZZA SK_001 VMILI
AU7_5 DAGCNT2 GOC11A LOSTNSURVIVED OPTM SLIKAR VOCV
AVARY DANGER GOC11B LOTGAME ORDERS SMALL VONNY
AVCHESS DAVIDG GONDOR LOVEGURU ORDERSET SNGINT VOTAS
A_W_S_N DBALLZ GONE LPERMUT ORDSUM23 SNGMSG VPALIN
BABTWR DCD GOO LPIS ORGNZ SOCIALNE WACHOVIA
BABY DCEPC11B GOODA LQDCANDY OTOCI SOCNETC WATER
BACKPACK DCEPC12G GOODB LTRAFFIC OVGDEL SOLDIER WEBISL
BACKTPOL DCEPC12H GOODG LUCIFER PAGAIN SOLDIERS WEIGHT
BACKUP DCEPC13D GOT LVADER PAINTWAL SOLIT WEIRDFN
BADXOR DCEPC14G GPA1 M00PAIR PAIRSUM SOLVEIT WIJGT
BAISED DCEPC14H GPINTRI M3TILE PALDR SORTBIT WILLITST
BALIFE DCEPC206 GRAFFDEF MAGSUB1 PALIN SPCU WINDVANE
BALLOON DCEPC501 GRASSPLA MAIN111 PARADOX SPEED WORDCNT2
BALLOT DCEPC505 GREED MAIN112 PARSUMS SPHIWAY WORDEQ
BALLSUM DCEPC702 GRZZ MAIN72 PARTIT SPIKES WORDRING
BALNUM DCEPC706 GS MAIN74 PARTPALI SPIRALGR WORDS1
BANDW DCEPC810 GSCANDY MAIN75 PARTY SPOINTS WOWSUBSTR2
BANKROB DCEPCA03 GSHOP MAIN8_C PATHEADS SPP WPC5E
BAPPP DCEPCA09 GSS1 MAIN8_E PATULJCI SQDANCE WPC5G
BARB DCOWS GSS2 MAJOR PAYING SQFREE WPC5I
BAT1 DECOY GSS3 MAKEMAZE PBCGAME SQRBR WPUZZLES
BAT3 DEFKIN GSS4 MAKETREE PBOARD SQRMINSUM WSCIPHER
BC DETECT GSS5 MAR01 PEBBMOV SSHUFFLE WTK
BDOI16A DETER3 GSS6 MARBLES PERFUME SSORT XMAX
BDOI16B DFLOOR GSS7 MARIOGAM PERIOD STABLEMP XMEN
BDOI16D DICT GSS8 MARTIAN PERIODNI STAMPS XOINC
BDOI16E DIEHARD GSWORDS MARYBMW PERMUT1 STARSBC XXXXXXXX
BEADS DIFERENC GUANGGUN MATCH PERMUT2 STAVATAR XYI
BEHAPPY DIGITROOT GUESSING MATCHING PFDEP STC02 YAPP
BEMINE DIGOKEYS HABLU MATGAME PGCD STC10 YODANESS
BENEFACT DINGRP HACKING MATHLOVE PHIDIAS STONE2 YOSEQ
BFIT DISCRT HACKRNDM MATRIX PHONELST STPAR ZAMENA
BGSHOOT DISJPATH HALLOW MATSUM PHRASES STRANG ZCR
BIGSEQ DISQUERY HAMSTER1 MATT PHT STRAWB ZNANSTVE
BINGO DISTANCE HANGOVER MAWORK PIE STRCOUNT ZQUERY
BINPRNUM DISUBSTR HAROWS MAXLN PIGBANK STRLCP ZSUM
BINSTIRL DIV HARSTR MAXMATCH PIHU1 STRMATCH ZUMA
BISHOPS DIV15 HASHIT MAXOR PIR STRNGSLV
BITDIFF DIV2 HAYBALE MAXRAD PKPLOL STRSEQ
BITMAP DIVCNT1 HC MAXSUMSQ PLAYGAME SUBLEX
BLAMOEBA DIVCNT2 HC12 MAXWOODS PLD SUBMERGE

TODO list of classical problems:

ACPC10B BUSINESS EQBOX INTERVAL MPOLY POWFIB STREET
ACPC10F BWB EQU2 INVENT MREPLBRC PRIMEP STSTRING
ACPC10H BWORK EUROPEAN IPL1 MSE07E PRIMES2 SUBSEQ
ACPC10I C1TABOVI EVENFRQ IRECSQRT MSE08G PRIMEZUK SUBSUMP
ADAAPPLE CARRHIM EXLAGFIB JAN MSTS PRJAN15B SUMSUM
ADABLOOM CCROSSX EXPLOSN JARJAR MUL2COM PRJAN15E TAHSINREC
ADACHERY CDOWN FACTMODP JAVAC MVECTOR PRJAN15F TAKIN
ADACITY CEOI09TR FCTRL4 JOCHEF MYQ2 PRMFN TANKS
ADACROW CERC07S FERT21_0 JPIX MZVRK PSTR TAP2013A
ADAGRAFT CFRAC2 FINDLR JRIDE NANO PSYCHO3 TAP2013D
ADAHACK CIRCLE_H FLIB JZPCIR NARHIL PSYCHOT TAP2013I
ADALICI CLEVER FOOL JZPEXT NASPRIM PTRI TAP2014I
ADANUM CMEXPR FTOUR KALTSUM NCOPRIME PUCMM334 TAP2015F
ADAROADS CNTINDX2 GALOU KEQ NEO2 PWRANDMOD TAP2016E
ADATOMEL COD1 GAME KOSPC13B NG0FRCTN PYTRIP2 TAP2016G
ADAVISIT CODESPTI GAME2 KPARCH NITT8 R6PL TAP2016I
ADST01 COLORSEG GCDS KPRIMES2 NITTROAD RANDG TAXI2
AE3A COMCB GCJ08C KULE NKDIV RELJEF TEMPTISL
AE5A1 CONTEST GCJ101BB LARMY NNUM REPAIR1 TETRIS2D
AHOCUR COUNT GCJ1C09B LARSUBP NPC2015C RIOI_3_2 TETRIS3D
AJOB COWPIC GCJPURE LAZYCOWS NPC2015E RRSCHED THRSUM
ALIENS CRAZYSK GCPC11A LSORT NPC2016E RSTAURNT TIEROPE
ALONE CRYPTO1 GCPC11I LUCKY NTG SANTA1 TIP2
ALTPERM CT GEM LUCKYNUM NUM03 SANVI TOHMOVE2
ALWFACT CT16E GETFAST MAIN113 NUMGAME SAWMILL TOP10
AMR10D CUBERT GLJIVE MAIN12B NUMQDW SECTORS TRANSP
AMR10I CUTSQRS GR MAR02 NUMTH02 SEQ2 TREASURY
AMR12J CWC2015 GRE MATNUM NUMTRY SEQPAR2 TREESUM
ANARC07J CYLINDES HAN01 MAUMAU NWERC11B SFLIP TREX
ANARC08F DCEPC11I HAP01 MCAMP NY10A SHAKTI TSUNAMI
ANARC09C DCEPC14A HEADBANG MCQUERY OAE SHAMAN TWOPROF
ARRPRM DCEPC14F HELPBOB MEANARR OPMODULO SICRANO UCODES
ASSIGN4 DCEPC504 HIGHWAY1 MEDIAN3 OVICUMSUM SID UCV2013K
ATMS DCEPCA06 HIKE MELE3 OVISLARSUM SKYLINE2 UMNOZAK
AVLVKT DELIVER HOLIDAY1 MENU PAAAARTY SMILEY1807 UNTITLED
BAT2 DEXTER HRSIAM MEXICAN PAIRDIV2 SNAKYNUM UOFTCC
BCAKE DICTSUB HSHW MILPATR PALACE SOCOLA VECTAR11
BDOI16C DINOSM IAPCR2E MINDIFF PARITY SOPARADE VECTAR4
BFALG DISNEY IITKWPCI MINDIST PARTPLNE SORTMAC VILLAGES
BIA DIVFACT4 IITKWPCL MINSEQ PATHGAME SORTOUT WALKROBO
BIDGAME DIVISER9 IITKWPCO MINUS PERMPATT SPCO WIRELESS
BITPLAY DOMINOES IITWPC4D MINVEST PIB SPQUEUE WORDCNT
BLOPER2 DOSA IITWPC4H MKPAIRS PIBO SPRING WPC4F
BNMT DRTREE IITWPC4J MMINPER PIZZALOC SRTMACH WPC5C
BOI7FEN EASYFACT ILKQUERY MOLE PL STARGATE XC
BOMB2 EC ILKQUERYIII MONO POCRI STEAD YOUWIN
BOWLING1 EIDSALAMI2 INCR MOON1 POSTERIN STONE ZIGZAG
BOX EN INS14F MOWS POTATOPL STORE
BRCKTS2 EQ2 INTERVA2 MOZPWS POWERUP STREDUCE