zilong zhao

@zhaozilong

China, Wuhan

Joined Dec 2015

World Rank: #16 (396.3 points)

Institution: Huazhong University Of Science & Technology

Activity over the last year

Effectiveness

 Problems solved
1213
 Solutions submitted
52228

Problems

List of solved classical problems:

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

TODO list of classical problems:

ACPC10B BOTTOM DOMINOES HSHW MINDIFF PERMPATT STORE
ACPC10F BOX DRTREE IAPCR2E MINDIST PIBO STREDUCE
ACPC10H BRCKTS2 DYNACON2 IBIGAME MINSEQ PL STRLCP
ACPC10I BST EASYFACT IITKWPCL MINUS POCRI SUBSEQ
ADAAPPLE BUD13TLF EN IITKWPCO MINVEST POLQUERY SUMSUM
ADACITY BWB EQ2 IITWPC4H MKPAIRS POSTERIN TAHSINREC
ADAGRAFT BWORK EQBOX IITWPC4J MMINPER POWERUP TAKIN
ADAMOLD C1LJUTNJ EQU2 ILKQUERY MOLE POWFIB TANKS
ADANUM CARDSHUF EUROPEAN ILKQUERYIII MOON1 PRIME TAP2013A
ADAPLANT CARRHIM EVENFRQ INCR MOWS PRIMEP TAP2013D
ADAROADS CCROSSX EXLAGFIB INS14F MPOLY PRIMES2 TAP2014C
ADATOMEL CDOWN EXPLOSN INTERVA2 MREPLBRC PRIMEZUK TAP2014I
ADAVISIT CERC07S FACT1 INVENT MSE07E PRJAN15B TAP2015F
ADST01 CFRAC2 FACTMODP IPL1 MSE08G PRJAN15E TAP2015K
AE3A CHASE1 FCTRL4 IRECSQRT MSTS PRJAN15F TAP2016E
AE5A1 CIRCLE_H FINDLR JAN MUL2COM PSYCHO3 TAP2016G
AHOCUR CLEVER FLIB JAVAC MVECTOR PSYCHOT TAP2016I
AJOB CNTINDX2 FN16ASGN JOSWAP MYQ2 PTRI TAXI2
ALIENS CODESPTI FOOL JPIX MZVRK R6PL TEMPERAT
ALONE COLORSEG FRNDZND JRIDE NANO RANDG TEMPTISL
ALTPERM COMCB FTOUR JZPEXT NARHIL REPAIR1 TETRIS2D
ALWFACT CONTEST GALOU KEQ NASPRIM RIOI_3_2 TETRIS3D
AMR10D COUNT GAME KOSPC13B NCOPRIME RRSCHED TIEROPE
AMR10I COWPIC GAME2 KPARCH NEO2 RSTAURNT TOHMOVE2
AMR12J CRAZYSK GAME3 KPMATRIX NG0FRCTN SANTA1 TOHU
ANARC08F CRYPTO1 GCDS KSMALL NITT8 SANVI TOP10
ANARC09C CRZYSMKR GCJ101BB KULE NITTROAD SAWMILL TRANSP
AND CT GCJ1C09B LARSUBP NPC2015C SECTORS TREEISO
ARITH CUBERT GCJPURE LAZYCOWS NPC2015E SEQ2 TREX
ARRPRM CUTSQRS GCPC11A LCPC11B NPC2016E SEQPAR2 TSUNAMI
ASSIGN4 CWC2015 GCPC11D LSORT NTG SHAMAN TUTMRBL
AVLVKT CYLINDES GCPC11I LUCKY NUMQDW SICRANO TWOPROF
BAT2 DCEPC11I GEM MAIN74 NUMTRY SID UCV2013K
BCAKE DCEPC12G GETFAST MAIN8_E NWERC11B SKYLINE2 UOFTCC
BDOI16C DCEPC14A GLJIVE MAUMAU NY10A SMILEY1807 VECTAR11
BFALG DCEPC504 GR MCAMP OAE SOPARADE VECTAR4
BIA DCEPC505 GRAFFDEF MCARDS OPMODULO SORTMAC WALKROBO
BIDGAME DCEPC810 HAN01 MCQUERY OVICUMSUM SORTOUT WIRELESS
BITPLAY DEXTER HAP01 MEANARR OVISLARSUM SPCO WORDCNT
BLLUCK DIGITROOT HEADBANG MEDIAN3 PAIRDIV2 SPRING WPC5C
BLOPER2 DINOSM HELPBOB MENU PARITY SRTMACH XC
BNMT DISNEY HIGHWAY1 MEXICAN PATHEADS STARGATE YOUWIN
BOMB2 DIVCNT1 HOLIDAY1 MILPATR PATHGAME STONE ZIGZAG