zilong zhao

@zhaozilong

China, Wuhan

Joined Dec 2015

World Rank: #16 (387.1 points)

Institution: Huazhong University Of Science & Technology

Activity over the last year

Effectiveness

 Problems solved
1174
 Solutions submitted
47574

Problems

List of solved classical problems:

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

TODO list of classical problems:

ACPC10B BOX EASYFACT IITKWPCL MEXICAN PARITY STONE
ACPC10F BRCKTS2 EN IITKWPCM MILPATR PATHEADS STORE
ACPC10H BST EQ2 IITKWPCO MINDIFF PATHGAME STREDUCE
ACPC10I BTCODE_G EQBOX IITWPC4H MINDIST PERMPATT STRLCP
ADACITY BUD13TLF EQU2 IITWPC4J MINUS PIBO SUBSEQ
ADAGRAFT BWB ETFS ILKQUERY MKPAIRS POLQUERY SUMSUM
ADAMOLD BWORK EUROPEAN ILKQUERYIII MMINPER POSTERIN TAHSINREC
ADANUM C1LJUTNJ EVENFRQ INCR MOLE POWERUP TAKIN
ADAROADS CARDSHUF EXLAGFIB INS14C MON2012 POWFIB TANKS
ADASEA CARRHIM EXPLOSN INS14F MONODIG PRIME TAP2013A
ADATOMEL CCROSSX FACT1 INTERVA2 MOON1 PRIMEP TAP2013D
ADAVISIT CDOWN FACTMODP INVENT MOWS PRIMES2 TAP2014C
ADST01 CERC07S FCTRL4 IPL1 MPOLY PRIMEZUK TAP2014I
AE5A1 CIRCLE_H FINDLR IRECSQRT MREPLBRC PRJAN15B TAP2015F
AHOCUR CLEVER FLIB JAN MSE07E PRJAN15E TAP2015K
AJOB CNTINDX2 FN16ASGN JAVAC MSE08G PRJAN15F TAP2016E
ALIENS COLORSEG FOOL JOSWAP MSTS PSYCHO3 TAP2016G
ALONE COMCB FRNDZND JPIX MSUBSTR PSYCHOT TAP2016I
ALTPERM CONTEST FTOUR JRIDE MUL2COM R6PL TAXI2
ALWFACT COUNT FURYROAD JZPEXT MVECTOR RAIN1 TEMPERAT
AMR10D COWPIC GALOU KEQ MYQ2 RANDG TEMPTISL
AMR10I CRAZYSK GAME KOSPC13B MZVRK REPAIR1 TETRIS2D
AMR12J CRYPTO1 GAME2 KPARCH NANO RIOI_3_2 TETRIS3D
ANARC08F CRZYSMKR GAME3 KPMATRIX NARHIL RRSCHED TIEROPE
ANARC09C CT GCDS KRECT NASPRIM RSTAURNT TOHU
AND CUBERT GCJ1C09B KSMALL NEO2 SABBIRGAME TOP10
ARITH CUTSQRS GCJPURE KULE NG0FRCTN SANTA1 TRANSP
ARRPRM CWC2015 GCPC11A LARSUBP NITT8 SANVI TREEISO
ASSIGN4 CYLINDES GCPC11D LAZYCOWS NITTROAD SAWMILL TREX
ASSIST DCEPC11I GCPC11I LCPC11B NPC2015C SECTORS TSUNAMI
AVLVKT DCEPC12G GEM LUCKY NPC2015E SEQ2 TUTMRBL
BAT2 DCEPC14A GETFAST MAIN74 NPC2016E SEQPAR2 TWIST
BCAKE DCEPC504 GLJIVE MAIN8_E NTG SHOP2 TWOPROF
BDOI16C DCEPC505 GR MAKETREE NUMQDW SICRANO UCV2013K
BFALG DCEPC810 GRAFFDEF MATCH NUMTRY SKYLINE2 UOFTCC
BIA DEXTER HAN01 MATGAME NWERC11B SMILEY1807 VECTAR11
BIDGAME DIGITROOT HEADBANG MAUMAU NY10A SOPARADE WALKROBO
BITPLAY DINOSM HELPBOB MAXOR OAE SORTMAC WORDCNT
BLLUCK DISNEY HIGHWAY1 MCAMP OPMODULO SORTOUT WPC5C
BLOPER2 DIVCNT1 HOLIDAY1 MCARDS OVICUMSUM SPCO XC
BNMT DOMINOES HSHW MCQUERY OVISLARSUM SPRING YOUWIN
BOMB2 DRTREE IAPCR2E MEANARR PAIRDIV2 SRTMACH ZIGZAG
BOTTOM DYNACON2 IBIGAME MEDIAN3 PARADOX STARGATE