Andy William

@andypertamax

Indonesia, Surabaya

Joined Oct 2011

World Rank: #46 (226.5 points)

Institution: Institut Teknologi Sepuluh Nopember

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

Activity over the last year

Effectiveness

 Problems solved
721
 Solutions submitted
1089

Problems

List of solved classical problems:

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