Andy William

@andypertamax

Indonesia, Surabaya

Joined Oct 2011

World Rank: #40 (244.3 points)

Institution: Institut Teknologi Sepuluh Nopember

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

Activity over the last year

Effectiveness

 Problems solved
722
 Solutions submitted
1089

Problems

List of solved classical problems:

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

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