zilong zhao

@zhaozilong

China, Wuhan

Joined Dec 2015

World Rank: #14 (457.6 points)

Institution: Huazhong University Of Science & Technology

Activity over the last year

Effectiveness

 Problems solved
1345
 Solutions submitted
77827

Problems

List of solved classical problems:

ABA12C BILLIARD DISCRT HALLOW MATT POWPOW SUMPRO
ABA12D BINGO DISJPATH HAMSTER1 MAWORK POWPOW2 SUMSUM
ABA12E BINPRNUM DISQUERY HANGOVER MAXLN PPATH SUMSUMS
ABCD BINSTIRL DISTANCE HAROWS MAXMATCH PQUEUE SUPPER
ABCDEF BISHOPS DISUBSTR HARSTR MAXOR PR003004 SWAPS
ABCPATH BIT2 DIV HASHIT MAXRAD PRADIPSUM SWTHIN
ABSP1 BITDIFF DIV15 HAYBALE MAXSUMSQ PRATA SYNC13C
ABSURD BITMAP DIV2 HC MAXWOODS PRETILE TABLE
ABSYS BLAMOEBA DIVCNT1 HC12 MAX_NUM PRHYME TAKIN
ACANVAS BLCONE DIVCNT2 HEADSHOT MAY99_3 PRIME TAP2012A
ACMAKER BLINNET DIVCNT3 HEAPULM MB1 PRIME1 TAP2012B
ACMT BLLUCK DIVCNTK HEISLAZY MBALL PRINT TAP2012C
ACODE BLMIRANA DIVFACT HELPR2D2 MBINGO PRMLX TAP2012D
ACPC10A BLMIRINA DIVFACT3 HERDING MC PRMQUER TAP2012E
ACPC10D BLOCK_D DIVISION HEXGRAM METEORS PRO TAP2012F
ACPC10G BLOPER DIVSEQ HG MGLAR10 PROBLEM4 TAP2012G
ACPC11B BOI7SEQ DIVSTR HIGH MHLAR10 PROD1GCD TAP2012H
ACPC11C BOI7SOU DIVSUM2 HIGHWAYS MICEMAZE PROFIT TAP2013C
ACQUIRE BOKAM143SOU DNALAB HIPPO MINMOVE PROOT TAP2013E
ACTIV BOMARBLE DNAOFELF HIST2 MINNUM PRUBALL TAP2013G
ADAAPHID BOMBER DOJO HISTOGRA MINSTACK PSTRING TAP2013H
ADABANKET BOMBER1 DOL HJB MINSTOCK PSWITCH TAP2013J
ADABERRY BOOKCASE DOMINO8 HKNAP MINSUB PSYCHON TAP2014B
ADABRANC BOOKS1 DONALDO HLP_RAMS MISERMAN PT07C TAP2014C
ADACABAA BOOKWORM DOORSPEN HMBY MIXTURES PT07D TAP2014E
ADACHES2 BOPERISH DOTAA HOLI MKBUDGET PT07F TAP2014F
ADACLEAN BORING DPAIR HOMEW MKEQUAL PT07J TAP2014G
ADACOINS BORW DRACULA HOMO MKJUMPS PT07X TAP2014H
ADACON BOTTOM DRAGKING HONDA MKTHNUM PT07Y TAP2014J
ADACROP BOYSCOUT DRAGON2 HORRIBLE MLK PT07Z TAP2015A
ADACUT BPM DRINK HOSPITAL MMAHWIRE PTIME TAP2015B
ADACYCLE BRCKTS DRUIDEOI HOTELS MMINMAX PUCMM210 TAP2015C
ADADUNG BRDGHRD DSUBSEQ HPYNOS MMINPAID PUTNIK TAP2015D
ADAFENCE BRIDGE DSUBTREE HRSIAM MOBILE2 PYRA TAP2015G
ADAFIELD BRKSTRNG DWARFLOG HS08PAUL MOBIVINA QCJ3 TAP2015H
ADAFIMBR BROKEN DYNACON1 HS09EQ MOD QCJ4 TAP2015J
ADAFRIEN BSHEEP DYNACON2 HS10SQFT MOHIB QMAX3VN TAP2015K
ADAFTBLL BST DYNALCA HUBULLU MON2012 QN01 TAP2016B
ADAFUROW BTCODE_G DYZIO HUSGAME MONKK QTDIVIDE TAP2016C
ADAGAME BUBBLESORT EAGLE1 HXH MONODIG QTREE TAP2016D
ADAGAME2 BUD13TLF EASYMATH IAPCR2C MONONUM QTREE2 TAP2016E
ADAGCD BUGLIFE EASYPIE IAPCR2D MORSE QTREE4 TAP2016F
ADAGROW BUSINESS EASYPROB IAPCR2F MOVIFAN QTREE5 TAP2016G
ADAHW BUSYMAN EC_CONB IBIGAME MOZHCAN QTREE6 TAP2016H
ADAINDEX BUZZ EC_DIVS ICANDIES MOZHSLM QTREE7 TAP2016J
ADAJOBS BUZZW EC_MODE ICPCS MOZHSLS QUADAREA TAP2016K
ADAKOHL BVAAN EC_P IE1 MPOINT QUE2 TAP2016L
ADALIST BWIDOW EDDIST IE2 MRECTCNT QUEEN TAXI
ADAMATCH BYECAKES EDIST IE4 MSCHED QUERYSTR TBATTLE
ADAMOLD BYTESE1 EDIT IGAME MSE06I QUEST4 TBGAME
ADAORANG BYTESE2 EGYPIZZA IGOR MSTRMND QUEST5 TDKPRIME
ADAPARTY BYTESM2 EIGHTS IITKWPCA MSUBSTR QUILT TDPRIMES
ADAPET C1LJUTNJ EIUASSEMBLY IITKWPCG MUDDY RACETIME TEAM2
ADAPHOTO CAC EKO IITKWPCH MUL RAIN1 TEMPERAT
ADAPICK CADYDIST ELCS IITKWPCJ MULSORT RANDMOD TEMPLEQ
ADAPLANT CAKE2 ELEVTRBL IITKWPCM MULTII RANGESUM TESSER
ADAPLNTS CAM5 EMOTICON IITKWPCN MULTQ3 RANGZER2 TEST
ADAPOWER CANDN EMTY2 IITWPC4F MUSKET RANJAN02 TETRA
ADAQUEUE CANDY EMTY3 IITWPC4I MYQ10 RAONE TETRAHRD
ADARAIN CANDY3 ENCONDIN ILKQUERY2 NABILHACKER RATING TETRAVEX
ADARAINB CANTON ENIGMATH IM NABILISU RCB TFOSS
ADASALE CAPCITY EOPERA IMMERSED NACCI REAYZCODETST TFRIENDS
ADASALES CARDSHUF EPALIN IMPER NAJGC RECTANGL TFSETS
ADASEA CASHIER EQUI INC2015F NAJKRACI REDARR2 THECODE
ADASEQEN CATM ESCJAILA INCARDS NAJMS RENT THRBL
ADASTRNG CATTACK ESJAIL INCDSEQ NAJPF REPEATS THREECOL
ADASUM CBANK ETFD INCPOWK NAJPWG RESIST THREENUMBERS
ADATAXES CCHESS ETFS INCSEQ NAKANJ RGBRED TIP1
ADATEAMS CCOST EXPEDI INDIPROG NAPTIME RIOI_2_3 TIPTOP
ADATREE CDC12_A EXPOR INGRED NATALIAG RIVALS TLE
ADATRIP CDC12_H EXPRESS INS14A NDIV RKS TMSUM
ADAUNIQ CDRSANJ FACEFRND INS14C NDIVPHI RMID TOANDFRO
ADAUSORT CEPC08B FACENEMY INS14G NDIVPHI2 RMID2 TOE1
ADDGP CEQU FACT0 INS14H NDS RNG TOE2
ADDREV CERC07B FACT1 INTEGER1 NDT ROCK TOHU
ADFRUITS CERC07C FACT2 INTSUB NECKLACE ROCKETS TORNJEVI
ADRABR CERC07K FACTCG2 INUM NEG2 ROHAAN TOSCORE
ADV04F1 CF25E FACTDIV INUMBER NETADMIN ROOTCIPH TOUGH
ADVEDIST CGBOY FACTMUL INVCNT NEXTLEX RPAR TOUR
AE00 CHAIN FACTMULN INVDIV NFACTOR RPGAMES TOURIST
AE2A CHAIR FACVSPOW INVESORT NFURY RPLA TPGA
AE5A2 CHASE FAILURE INVPHI NGCD RPLB TRANCLS
AEROLITE CHASE1 FAKETSP IOIPALIN NGM RPLC TRANSP
AFS CHEATING FALTAENV IOPC1207 NGM2 RPLL TRANSP2
AGGRCOW CHICAGO FANCY ISAB NHAY RPLN TREEDEGREE
AGPC01G CHMAZE FARIDA IWGBS NICEBTRE RRANGE TREEISO
AIBOHP CHOCOLA FASHION JAVAC NICEDAY RROOT TREEORD
AKBAR CINEMACON FASTFLOW JGTLE NICESEQ RTREE TREEPAL
AKVQLD03 CIRCLE_E FASTFOOD JNEXT NINJA3 RUNAWAY TRENDGCD
ALCATRAZ2 CIRU FAVDICE JOKER1 NINJA7 SABBIRGAME TRICENTR
ALCATRAZ3 CIRUT FCANDY JOSWAP NITK06 SAFECRAC TRICKTRT
ALCATRAZ4 CISTFILL FCDC JUICE NITT1 SALMAN TRICOUNT
ALIBB CITY2 FCTRL JULKA NITT4 SAM TRIGALGE
ALICESIE CLASSICO FCTRL2 JUMPPY NITT8 SAMBOX TRIKA
ALIEN CLEANRBT FENCE1 JZPEXT NITTROAD SAMER08A TRIP
ALL CLFLARR FIBHARD JZPGYZ NOCHANGE SAMER08B TRIPINV
ALLIN1 CLK FIBONOMIAL JZPLIT NORMA2 SAMER08C TRNGL
ALLIZWEL CLONE FIBOSQRT KAOS NOSQ SAMER08D TROOPS
ALTSEQ CLOPPAIR FIBOSUM KATHTHI NOTATRI SAMER08E TRT
AMBIG CLOSEST FIBPOL KDOMINO NOVICE43 SAMER08F TRVCOST
AMBLE CLSLDR FIBPWSUM KFSTB NOVICE63 SAMTWARR TRYCOMP
AMBM CLZSTRNG FIBTWIST KGSS NPC2014A SAS001 TSHOW1
AMCODES CMG FILRTEST KHANS NPC2014B SAS002 TSUM
AMR10C CMPLS FINDPRM KITROB NPC2014E SBANK TTM
AMR10E CNTDO FINDSR KMEDIAL NPC2014F SBETS TTTABLE
AMR10G CNTINDX FINGP KNIGHTS NPC2015A SCALES TULIPNUM
AMR11A CNTPRIME FISHER KNMOVE NPC2015B SCAVHUNT TUTMRBL
AMR11B COCONUTS FLING1 KOICOST NPC2015D SCELL TWENDS
AMR11D CODECODE FLOWERS KOIREP NPC2015F SCITIES TWINSNOW
AMR11E CODEIT03 FLWRS KOMPICI NPC2016A SCPC11B TWOGAME
AMR11F CODEM4 FN16ASGN KOPC12A NPC2016C SCPC11H TWOKINGS
AMR11H CODERE3 FN16SWAP KOPC12H NQUEEN SCUBADIV TWOPATHS
AMR11I CODESPTB FNRANK KOSARE NSTEPS SEGMENTS TWOSQRS
AMR11J CODFURY FOODIES KOZE NSUBSTR SEGSQRSS UCBINTG
AMR12A COINS FOXLINGS KPEQU NSUBSTR2 SELTEAM UCI2009D
AMR12D COLONY FPLAN KPGAME NSYSTEM SEQ UCV2013A
AMR12I COMDIV FPOLICE KPGRAPHS NTHPRIME SEQ6 UCV2013B
AMZSEQ COMPANYS FREQ2 KPMATRIX NTICKETS SEQN UCV2013E
ANARC05B CONDUIT FREQUENT KPOWERSUM NUMOFPAL SEQPAR UCV2013H
ANARC05H CONNECT FRND KPPOLY NUMPATH SERGEARS UCV2013I
ANARC05I CONSEC FRNDCIRC KPRIMESB NUMTSN SERGRID UFPR14D
ANARC07C COOLNUMS FRNDZND KPSUM NWERC04H SERVICE UJ
ANARC08A CORNET FRQPRIME KPURSUIT NWERC11F SFN UJ01
ANARC08B COT FSEATS KQUERYO NWERC11G SGAME ULM02
ANARC08G COT2 FTOUR2 KSMALL NY10A SGIFT ULM09
ANARC08H COT3 FUNFACT KTH_INDEX NY10E SHAHBG UNIHW
ANARC09A COT4 FUNPROB KURUK14 ODDDIV SHAKILKEYWORD UNTITLE1
ANARC09B COU FURYROAD LABYR1 ODWS SHAKTI UOFTCD
ANARC09C COUNT1IT GAMARENA LAS OEN SHANGUL UOFTCG
ANARC09F COURAGE GAME3 LASER_BEAM OFFSIDE SHELF UPDATEIT
ANARC09G COURIER GAMES LASTDIG OILCOMP SHINCARD URJC2_F
AND COVER GANNHAT LASTDIG2 OLOLO SHOP VBOSS
ANDROUND COVER2 GCD2 LASTSHOT OMWG SHOP2 VCIRCLES
ANGELS COWCAR GCD3 LAZYPROG ONEZERO SHPATH VECTAR1
ANGRMTST CPAIR GCDEX LCA ONORIVER1 SINEGGS VECTAR10
ANTP CPAIR2 GCDEX2 LCMSUM ONP SKIVER1 VECTAR13
ANTTT CPATTERN GCDMAT LCPC11B OPCPIZZA SKY VECTAR4
AP2 CPCRC1C GCJ082A LCPC12B OPTM SKYLINE VECTAR5
APIO10A CPRMT GCJ1C09A LCPC12F ORDERS SK_001 VECTAR8
APIO14_A CRAN02 GCJ1C09C LCS ORDSUM23 SMALL VENOM
APM CRAN04 GCJ2012C LCS0 ORGNZ SNGINT VFMUL
APS CRAYON GCPC11B LCS2 OVGDEL SNGMSG VHUFFM
ARBITRAG CRDS GCPC11D LCS3 PAINTWAL SOCIALNE VIENTIAN
ARCTAN CROSSOVER GCPC11H LDP PAIRSUM SOCNETC VISIBLEBOX
ARDA1 CRSCNTRY GCPC11J LEXIPOS PALIN SOLDIER VISION
AREA1 CRYPTO6 GDCOFTI LEXSTR PARADOX SOLDIERS VLATTICE
ARITH CRYPTON GDIL LGLOVE PARSUMS SOLIT VMILI
ARITH2 CRZYSMKR GEEKOUNT LIFEGAME PARTIT SOLVEIT VOCV
ARMY CS345A1 GEN LIGHTIN PARTPALI SORTBIT VONNY
AROPE3 CSTREET GEN2 LIM PARTY SPCU VOTAS
ARRANGE CTGAME GEOPROB LINEGAR PATHEADS SPEED VPALIN
ARRAYSUB CTRICK GERGOVIA LINES PATULJCI SPHIWAY VZLA2019D
ARRTWIST CTTC GGD LINEUP PAYING SPIKES WACHOVIA
ARTHEVAL CUBEFR GHOSTS LIS2 PBCGAME SPIRALGR WATER
ASCDFIB CUBNUM GIRLSNBS LISA PBOARD SPOINTS WEBISL
ASSIGN CWORLD GIVEAWAY LITE PCPC12E SPP WEIGHT
ASSIST CYCLERUN GMSTRE LITEPIPE PERFUME SQDANCE WEIRDFN
ASUMHARD CYLINDER GNY07C LKS PERIOD SQFREE WIJGT
ATOMS CZ_PROB1 GNY07D LMCONSTR PERMUT1 SQRBR WILD
AU7_5 DAGCNT GNY07F LOCKER PERMUT2 SQRMINSUM WILLITST
AVARY DAGCNT2 GNY07H LONGCS PFDEP SSHUFFLE WINDVANE
AVCHESS DANGER GNYR09F LOOPEXP PGCD SSORT WIRELESS
A_W_S_N DAVIDG GOALFR LOPOV PHIDIAS STABLEMP WORDCNT2
BABTWR DBALLZ GOC11A LOSTBOX PHONELST STAMPS WORDEQ
BABY DCD GOC11B LOSTNSURVIVED PHRASES STARSBC WORDRING
BACKPACK DCEPC11B GONE LOTGAME PHT STAVATAR WORDS1
BACKTPOL DCEPC11I GOO LOVEGURU PIE STC02 WOWSUBSTR2
BACKUP DCEPC12G GOODA LPERMUT PIGBANK STC10 WPC4F
BADXOR DCEPC12H GOODB LPIS PIHU1 STONE WPC5E
BAISED DCEPC13D GOODG LQDCANDY PIR STONE2 WPC5G
BALIFE DCEPC14G GOT LTRAFFIC PISANO STPAR WPC5I
BALLOON DCEPC14H GPA1 LUCIFER PKPLOL STRANG WPUZZLES
BALLOT DCEPC206 GPINTRI LVADER PLAYGAME STRAWB WSCIPHER
BALLSUM DCEPC501 GRAFFDEF MAGSUB1 PLD STRCOUNT WTK
BALNUM DCEPC505 GRASSPLA MAIN111 PLNDROME STRLCP XMAX
BANDW DCEPC702 GREED MAIN112 PLNDTREE STRMATCH XMEN
BANKROB DCEPC705 GRZZ MAIN72 PLSQUARE STRNGSLV XXXXXXXX
BAPPP DCEPC706 GSCANDY MAIN74 PMATRIX STRSEQ XYI
BARB DCEPC810 GSHOP MAIN75 POKER SUBLEX YAPP
BAT1 DCEPCA03 GSS1 MAIN8_C POLICEMEN SUBMERGE YODANESS
BAT3 DCEPCA09 GSS2 MAIN8_E POLISH SUBS YOSEQ
BC DCOWS GSS3 MAJOR POLQUERY SUBSET ZAMENA
BDOI16A DECOY GSS4 MAKEMAZE POLTOPOL SUBSHARD ZCR
BDOI16B DEFKIN GSS5 MAKETREE POLYEQ SUBST1 ZNANSTVE
BDOI16D DETECT GSS6 MARBLES POLYMUL SUBSUMS ZQUERY
BDOI16E DETER3 GSS7 MARIOGAM POLYNOM SUBXOR ZSUM
BEADS DFLOOR GSS8 MARTIAN PON SUB_PROB ZUMA
BEHAPPY DICT GSWORDS MARYBMW POP1 SUFEQPRE
BEMINE DIEHARD GUANGGUN MATCH POSTERIN SUM1SEQ
BENEFACT DIFERENC GUESSING MATCHING POSTERS SUMFOUR
BFIT DIGITROOT HABLU MATGAME POTHOLE SUMITR
BGSHOOT DIGOKEYS HACKING MATHLOVE POUR1 SUMMATION
BIGSEQ DINGRP HACKRNDM MATSUM POWERCAR SUMMUL

TODO list of classical problems:

ACPC10B BOWLING1 DRTREE IITKWPCI MINSEQ POCRI STORE
ACPC10C BOX EASYFACT IITKWPCL MINUS POTATOPL STREDUCE
ACPC10E BRCKTS2 EC IITKWPCO MINVEST POWERUP STREET
ACPC10F BURGLARY EIDSALAMI2 IITWPC4D MKPAIRS POWFIB STSTRING
ACPC10H BWB EN IITWPC4H MOHIBPIZ PRIMEP SUBSEQ
ACPC10I BWORK EQ2 IITWPC4J MOLE PRIMES2 SUBSUMP
ADAAPPLE C1TABOVI EQBOX ILKQUERY MONO PRIMEZUK TAHSINREC
ADABLOOM CABLETV EQDIV ILKQUERYIII MOON1 PRJAN15B TANKS
ADACHERY CARRHIM EQU2 INCR MOWS PRJAN15E TAP2013A
ADACITY CCROSSX EUROPEAN INS14F MOZPWS PRJAN15F TAP2013D
ADACROW CDOWN EVENFRQ INTERVA2 MPOLY PRMFN TAP2013I
ADAGRAFT CEOI09TR EXLAGFIB INTERVAL MSE07E PSTR TAP2014I
ADAHACK CERC07S EXPLOSN INVENT MSTS PSYCHO3 TAP2015F
ADALICI CFRAC2 FACTMODP IPL1 MYQ2 PSYCHOT TAP2016I
ADANUM CIRCLE_H FCTRL4 IRECSQRT NANO PTRI TAXI2
ADAQUBIC CLEVER FERT21_0 JAN NARHIL PUCMM334 TEMPTISL
ADAROADS CMEXPR FINDLR JARJAR NASPRIM PWRANDMOD TETRIS2D
ADATOMEL CNTINDX2 FLIB JOCHEF NCOPRIME PYTRIP2 TETRIS3D
ADAVISIT COD1 FOOL JPIX NEO2 R6PL THRSUM
ADST01 CODESPTI FROGPARTY JRIDE NG0FRCTN RANDG TIEROPE
AE3A COLORSEG FTOUR JUSTAPAL NKDIV REPAIR1 TIP2
AHOCUR COMCB GALOU JZPCIR NNUM RIOI_3_2 TOHMOVE2
AJOB CONTEST GAME JZPSTA NPC2015C RRSCHED TOP10
ALIENS COUNT GAME2 KALTSUM NPC2015E RSTAURNT TREASURY
ALONE COWPIC GCDS KEQ NPC2016E SANTA1 TREESUM
ALTPERM CRAZYSK GCJ08C KOSPC13B NTG SANVI TREX
ALWFACT CRYPTO1 GCJ101BB KPARCH NUMGAME SAWMILL TSUNAMI
AMR10D CT16E GCJ1C09B KPRIMES2 NUMQDW SECTORS TUG
AMR10I CUBERT GCJPURE KULE NUMTRY SEQ2 TWOPROF
AMR12J CUTSQRS GCPC11A LARMY NWERC11B SEQPAR2 UCODES
ANARC07J CWC2015 GCPC11I LARSUBP NWERC11H SFLIP UCV2013K
ANARC08F CYLINDES GEM LSORT OAE SHAMAN UMNOZAK
APS2 DCEPC14A GETFAST LUCKY OKRET SICRANO UNTITLED
ARRPRM DCEPC14F GLJIVE MAIN113 OPMODULO SID UOFTCC
ATMS DCEPC504 GR MAIN12B OVICUMSUM SKYLINE2 VECTAR11
AVLVKT DCEPCA06 GRE MATNUM OVISLARSUM SMILEY1807 VILLAGES
BAT2 DELIVER HAN01 MAUMAU PAAAARTY SNAKYNUM VZLA2019G
BCAKE DEPEND HAP01 MCAMP PAIRDIV2 SNGPG WALKROBO
BDOI16C DEXTER HEADBANG MCUR98 PALACE SOCOLA WPC5C
BFALG DICTSUB HELPBOB MEANARR PARITY SOPARADE XC
BIA DINOSM HIGHWAY1 MEDIAN3 PARTPLNE SORTMAC XORX
BIDGAME DISNEY HIKE MENU PATHGAME SORTOUT YOUWIN
BITPLAY DIVFACT4 HOLIDAY1 MEXICAN PERMPATT SPCO ZIGZAG
BLOPER2 DIVISER9 HPREFIX MILPATR PIB SPRING ZOO
BOI7FEN DOMINOES HSHW MINDIFF PIBO SRTMACH
BOMB2 DOSA IAPCR2E MINDIST PL STEAD