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Andy William

@andypertamax

Indonesia, Surabaya

Joined Oct 2011

World Rank: #41 (237.6 points)

Institution: Institut Teknologi Sepuluh Nopember

Not solving anymore, I only create problems for contests now.

Activity over the last year

Effectiveness

 Problems solved
728
 Solutions submitted
1105

Problems

List of solved classical problems:

ABA12D BSHEEP DRINK HXH MIDO PSWITCH SUBSHARD
ABCD BSHIP DSUBSEQ ICAMPSEQ MINCOUNT PSYCHO3 SUBSN
ABCDEF BST DTRAP ICODER MINI PSYCHON SUBST1
ABCPATH BTCODE_H EALP1 IEEEBGAM MINNUM PSYCHOT SUMFOUR
ABSP1 BUGLIFE EASYMATH IGALAXY MISERMAN PT07X SUMITR
ABSURD BUILDTOW EASYPIE IGAME MIXTURES PT07Y SUMSUM
ABSYS BULK EASYPROB IGOR MKLABELS PT07Z SWERC14G
ACODE BUREAU EBOXES IIITD1 MKMONEY PTIME TAP2012A
ACPC10A BUSYMAN EC_CONB IITKWPCB MMASS PTRELIC TAP2012D
ACPC10D BWB EC_DIVS IITKWPCF MMMAGIC3 PUCMM025 TAP2012H
ACPC10E BWIDOW EC_MODE IITKWPCI MMMGAME PUCMM210 TAP2013C
ACPC11B BYECAKES EC_SER IITKWPCO MNNITAR PUCMM335 TAP2013G
ACS BYTESE2 EDGE IITWPC4I MONONUM QCJ1 TAP2014B
ACT BYTESM2 EDIST IITWPC4J MRECAMAN QCJ2 TAP2014C
ADAGAME2 C1LJUTNJ EDIT IMAGE MSCHED QCJ3 TAP2014H
ADDREV CAC EDIT1 IMMERSED MSE06H QCJ4 TAP2014J
ADJDUCKS CADYDIST EGYPIZZA IMPUNITS MSTRMND QKP TCOUNT2
ADV04J CAM5 EIGHTS INDIPROG MUL QTDIVIDE TCOUNT3
AE00 CANDY EKO INS14A MULTIPLY QTGIFT3 TDKPRIME
AFS CANDY3 EMILABC INS14B MUTDNA QUADAREA TDPRIMES
AFS2 CANTON ENEM INS14C MYQ1 QUADRATE TEAM2
AGGRCOW CARRHIM ENIGMATH INS14D MZVRK QUEST5 TEAMNIM
AGS CATHETEN EOPERA INS14E M_SEQ RABBIT1 TEST
AIBOHP CATM EPTT INS14F NAIVELOK RANDG TETRA
AKVOD05 CATTACK EQBOX INS14G NAJHQ RANGESUM THEPOOL
ALICESIE CDC12_C ETF INUM NAKANJ RANGZER2 THRBL
ALIEN CENCRY EVERLAST INVCNT NATALIAG RANJAN02 TILE001
ALIEN2 CERC07R EXPEDI IPL1 NBIN RATING TLIGHTS
ALIEN3 CHAOS_CC EXPR3 IRECSQRT NCLNE RDNWK TOANDFRO
ALLBARN2 CHGROOM FACEFRND ISELECT NEG2 RE1 TOE1
ALLIN1 CHICAGO FACTCG2 IWGBS NGM REBOUND TOE2
ALLIZWEL CHICKEGG FAKETSP IZHONYT NHAY REDRONESIA TOHU
ALMISPY CHOCOLA FANCY JANE NICEBTRE RKRCTAN TOHU2
AMBM CITY2 FARIDA JAVAC NITK06 RKS TOURNEY
AMR10C CIVIL FASHION JNEXT NITT1 RMID TPCPALIN
AMR10G CLONE FAST2 JOKER1 NITT2 RMOVIE TRANSMIT
AMR11B CLOPPAIR FAVDICE JRIDE NITT8 ROADNET TRAVERSE
AMR11E CLSLDR FCANDY JULKA NITTROAD ROCK TRGRID
AMR12D CLTZ FCTRL KBASEEN NOSQ ROCKETS TRICENTR
AMR12G CMPLS FCTRL2 KFRIENDS NOTATRI ROHAAN TRICOUNT
AMSCO1 CNEASY FCTRL4 KFSTB NOVICE43 ROIM TRIGALGE
AMZRCK CNTINDX FENCE1 KGSS NOVICE62 ROMAN TRIKA
AMZSEQ CODEIT03 FIBOSUM KIMO1 NOVICE63 ROOTCIPH TRT
ANAGCD CODERE3 FIBTWIST KMOVES NR2 ROULETTD TSHOW1
ANAGR CODESPTB FLWRS KNGCHECK NSTEPS RPLA TUG
ANARC05B COEF FONTSIZE KNJIGE NSYSTEM RPLC TWENDS
ANARC05I COINS FRNDCIRC KOILINE NUMPLAY RPLD TWOSQRS
ANARC08B COINTOSS FTHEELF KONSTRAKSCHION NY10A RPLE UCF
ANARC08D COMDIV FUNPROB KOPC12B NY10E RPLH UCV2013A
ANARC08G CONGA GAMARENA KOSPC13B OAE RPLN UCV2013C
ANARC08H CONHONPR GAME3 KOZE OFFSIDE RPS UCV2013D
ANARC09A COURAGE GAMECG KSELECT OFORTUNE RPSSL UCV2013E
ANARC09B COWCAR GAMES KULE OHANIBTR RPSWAR UCV2013F
ANARC09C CPCRC1C GARDENAR LABYR1 OLOLO RRSCHED UCV2013H
AP2 CPRMT GCD2 LARSUBP ONEXLIS RTREE UCV2013I
AP3 CRAN01 GCPC11F LASTDIG ONEZERO SA04C UCV2013J
APPROB CRCLE_UI GEEKOUNT LASTDIG2 ONP SAMER08E UJ
APS CRDS GEOM LCPC12E OPBIT SAMER08F ULM02C
ARCHI CRSCNTRY GEOPROB LCPC12F OPCPIZZA SAMER08G UOFTAB
ARITH CRYPTO GIRLSNBS LENGFACT PAINTBLK SANTA3 UOFTAC
ARITH2 CRYPTO1 GLJIVE LIFERACE PALIN SBANK UOFTAD
ARMY CRYPTO2 GNY07H LKS PANCAKES SBETS UOFTAE
ARRAYSUB CRYPTO3 GNYR09F LOCKER PARCARD1 SBSTR1 UOFTAF
ARRHUDAI CSTREET GOALFR LOOPEXP PARKET1 SCPC11A UOFTBB
ASCDFIB CT16E GOODB LQDCANDY PARTY SCPC11B UOFTBD
ASSIGN CTRICK GOODD M00PAIR PB SCPC11F UOFTBE
ASSIST CUBARTWK GOODE M3TILE PBCGAME SCPC11G UPDATEIT
ATOMS CUBE GOODF MADN PCPC12E SCUBADIV VECTAR11
AU7_5 CUBEFR GOPI_SW MAGIC4 PCPC12F SECTORS VERODOOM
BABTWR CUBES GP1 MAIN113 PEBBLE SEGFAULT VFMUL
BACKPACK CVJETICI GPA1 MAIN12A PEGS SELFDESN VHELSING
BAD CWORLD GRAFFTRI MAIN12B PERMUT1 SHAHBG VIENTIAN
BAISED CYLINDER GREAT_E MAIN74 PERMUT2 SHANGUL VOLNTEER
BALIFE CZ_PROB1 GSS1 MAIN8_C PFND SHELL VPL0_A
BANDW DANCE GSS3 MAIN8_D PFOLD SHOP VPL1_AA
BANKROB DANGER GUANGGUN MAJOR PFORLOOP SHPATH VPL1_AB
BANSTAND DCEPC11B GUERNICA MAJSTOR PHONELST SICRANO VPL2_AA
BASE DCEPC11F GUESSING MAKESUM PHT SID VPL2_AC
BC DCEPC12B GUESSLNK MANGOES PIGBANK SILVER VPL2_AD
BEADS DCEPC12E GUESSN3 MANJFIRE PIHEX2 SIMPGAME VPL2_BC
BEENUMS DCEPC12F GUESSTHE MARBLES PIR SKY VUDBOL5
BFPRMCYC DCEPC14C GUMATH2 MARIO2 PIRACON SKYLINE VUDBOL7
BFROTATE DCEPC14G HACKRNDM MATSUM PLAYGAME SNGGW WA
BFTAB DCEPC206 HANDS MAXGRITH POLEVAL SNGLOOP1 WACHOVIA
BFTRI DCEPC504 HANGOVER MAXLN PON SNGMSG WALL
BILLIARD DCEPC505 HAPPYTL MAX_NUM PONY1 SNGPG WATER
BINSTIRL DCES HASHIT MAY99_2 PONY3 SNIM WEIGHT
BIO1 DCRYPT HC MAY99_3 PONY8 SNIPE WILLITST
BISHOPS DECOY HC12 MAY99_4 PONY9 SOLDIERS WINDVANE
BITMAP DERP HCT00001 MAYA PORTALUN SORTING WINSTRAT
BLINNET DGAME HEADSHOT MAYCA POSAO SPEED WORDCNT
BLOCK_D DIEHARD HELPDONN MB1 POUR1 SPIDY WORDS1
BLOPER DIG HEPNUM MBALL POWERUP SPIKES WORKB
BLOPER2 DIGNUM HEXBOARD MBEEWALK POWTOW SPLITS WPC4F
BOARD1 DIGOKEYS HIGHWAYS MBR PPATH SPRING WPC5D
BOGGLE DISTO HISTOGRA MC PQUEUE SQRBR WPC5I
BOMARBLE DISUBSTR HOLIDAY2 MCAMP PRESIDEN SQUAREV1 WTK
BOPERISH DIV15 HOMEW MCHAOS PRIME1 STAMPS WWAKER
BOWLING1 DIVISION HORRIBLE MCLB PRINT STICKS XMAX
BRCKTS DIXIE001 HOTELS MCOINS PRISMSA STK YAPP
BRDGHRD DOJO HPPROF MECGROUP PRLOVE STPAR YELBRICK
BRIDGE DONALDO HPYNOS MFLAR10 PRMQUER STRAWB YODANESS
BRODOVI DOTAA HPYNOSII MICEMAZE PROBLEM4 STREETR YUMMY
BROUL DQUERY HUBULLU MIDEARTH PROSCORE STRGAMB ZSUM

Public problems created by user:

TIGA NPC2014A NPC2014H BLKEK THINKING
THINK NPC2014B CARDFLIP BLMIRINA
THINKBIT NPC2014C YOSSY BLMIRANA
THINKX NPC2014D BLBONO BLAMOEBA
THINKLOL NPC2014E BLHETA THINKLUL
KSMALL NPC2014F BLUNIQ BLLUCK
L2R NPC2014G BLCONE COVFEFE

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