Tjandra Satria Gunawan

@tjandra

Indonesia, Depok

Joined Mar 2012

World Rank: #25 (334.2 points)

Institution: Matematika UI

Optimize the code to be fastest! visit: http://www.spoj.com/problems/TJANDRA/ for more info

Activity over the last year

Effectiveness

 Problems solved
934
 Solutions submitted
6309

Problems

List of solved classical problems:

ABA12C CANDY DUKKAR2 HEPNUM MBEEWALK PLUS SPEED
ABA12D CANDY3 DWRONG HERDING MBINGO PLUSEVI SPFIBO
ABA12E CANDY4 DYZIO HEXBOARD MBLAST POKER SPIKES
ABCD CANTON EASYMATH HIGHWAYS MC POLEVAL SPP
ABCDEF CARRALLY EASYPROB HIST2 MCHAOS POLYNOM SPP2
ABCPATH CATHETEN EBOXES HISTOGRA MCLONUM PON SQFREE
ABSP1 CATM EC_CONB HK MCOINS PONY1 SQRBR
ABSYS CCHESS EDIST HLPRSRCH MCUR98 PONY2 SQRROOT
ACMT CDC12_H EDIT HLP_RAMS MDIGITS PONY3 SQUAREV1
ACODE CENCRY EDIT1 HNUMBERS MFLAR10 PONY4 SSEQ
ACPC10A CEQU EGYPIZZA HOMEW MICEMAZE PONY5 STABLEMP
ACPC10B CFPARTY EIGHTS HOMO MIDO PONY6 STAMPS
ACPC10C CFRAC EKO HORRIBLE MIFF PONY8 STC02
ACPC10D CFRAC2 ELEVTRBL HOTELS MINCOUNT POP1 STICKS
ACPC10E CHICAGO EMTY2 HPYNOS MINSUB POP2 STONE
ACPC11B CHICKEGG ENCONDIN HPYNOSII MISERMAN POSAO STONE2
ACPC11C CHOCOLA ENIGMATH HS08CODE MIXTURES POSTERS STPAR
ACS CIPHERJ EPALIN HS08PAUL MKEQUAL POTHOLE STRCOUNT
ACT CIRCIRC EPTT HS09EQ MKLABELS POUR1 STREETR
ADDGP CISTFILL EQBOX HS09SHIP MKMONEY POWERPHI SUBS
ADDREV CITY2 EQU2 HS10SQFT MKTHNUM POWPOW SUBSEQ
ADFRUITS CLAW ETF HS12MULT MMASS POWPOW2 SUBSN
ADITYA13 CLEANRBT ETFD HUBULLU MMATRIX POWTOW SUBST1
ADV04B1 CLOCKS ETFS IDC1948 MMAXPER PPATH SUBSUMS
ADV04C CLONE EXCLSEC IEEEBGAM MMMGAME PQUEUE SUB_PROB
ADV04J CLTZ FACEFRND IITD4 MNNITAR PRESIDEN SUMFOUR
ADV04K CLZSTRNG FACT0 IITKWPCA MOHIB PRIME SUMITR
ADV04L CMPLS FACT1 IITKWPCB MONONUM PRIME1 SUMMUL
AE00 CNEASY FACTCG2 IITKWPCH MOUNTAIN PRIMEZUK SUMSUMS
AFS CNTPRIME FACTMUL IITKWPCN MPILOT PRIMPERM SUSY
AFS2 CNT_LUCK FACTMULN IITKWPCO MRECAMAN PRINT SYNC13C
AFSK CODEIT03 FACTMULO INCARDS MSCHED PRISMSA TAP2012B
AGGRCOW CODESPTA FACTMULP INCPOWK MSE06H PRJAN15C TAP2013G
AGS CODESPTB FACVSPOW INCSEQ MSE08G PRJAN15E TAP2013H
AIBOHP CODESPTC FAKETSP INS14B MSET PRJAN15F TAXI
AKVQLD03 CODPABBU FANCY INS14C MSUBSTR PRO TCNUMFL
ALICESIE COEF FARIDA INS14K MTOTALF PROBLEM4 TCOUNT2
ALIEN COINS FASHION INTEGER1 MUL PROOT TCOUNT3
ALIENS1 COINTOSS FAST2 INTEGMAX MUL2COM PROSCORE TDKPRIME
ALLIZWEL COMDIV FASTFLOW INVCNT MULTII PSTR TDPRIMES
ALMISPY CONGA FAVDICE IOIPALIN MULTIPLY PSYCHON TEAM2
AMR10C CONHONPR FCTRL IOPC1203 MULTQ3 PSYCHOT TEST
AMR10G COOLPROB FCTRL2 IOPC1204 MUTDNA PT07D TETRA
AMR11A COUNTPAS FCTRL4 IPAD MYQ1 PT07X TETRAHRD
AMR11E CPCRC1C FEAST IQUERY MYQ10 PT07Y TETRAVEX
AMR12D CPRIME FENCE1 ITRIX12E MYQ5 PT07Z THEPOOL
AMR12H CPRMT FERT21_0 ITRIX_E MYQ8 PTC THRPWRS
AMZRCK CQM1TREE FIBOSUM IWGBS MZVRK PTIME TIEROPE
AMZSEQ CRAN01 FIBOSUM2 IZHONYT M_SEQ PUCMM025 TINKUJOB
ANARC05B CRAN02 FIBPOL JANE NACCI PUCMM210 TIP1
ANARC05H CRAN04 FIBTWIST JARJAR NAIVELOK PUCMM215 TIPTOP
ANARC05I CRAZYSK FINDPRM JAVAC NAJ0001 PUZZLE24 TMB
ANARC08A CRDS FINDSR JNEXT NAKANJ PWSUM TOANDFRO
ANARC08B CRSCNTRY FISHER JOKER1 NDIV PYRA TOE1
ANARC08G CRYPTO2 FLIB JPIX NDIVPHI QKP TOE2
ANARC08H CRYPTO3 FLING1 JRIDE NDIVPHI2 QN02 TOHU
ANARC09A CSLIKAR FN16ASGN JULKA NEG2 QTGIFT1 TOHU2
ANARC09B CSQUARE FN16BASE JZPCIR NESPALIN QTREE TOUGH
ANARC09C CSTREET FN16CEIL KATHTHI NFACTOR QTREE2 TOUR
ANDROUND CTGAME FN16CLK KCARRY NFURY QUADAREA TRAFFICN
AP2 CTPLUCKY FN16QUOT KGSS NG0FRCTN QUADRATE TRANCLS
AP3 CTRICK FN16SWAP KIMO4 NG1FRCTN QUEST4 TRECOUNT
APCER CUBEFR FORMAT KMOVES NGM RABBIT1 TREEII
APS CUBES FPOLICE KNGCHECK NHAY RANGESUM TREENUM2
ARITH CUTCAKE FREQUENT KNJIGE NICEBTRE RANJAN02 TREEPAL
ARITH2 CYLINDER FRQPRIME KOILINE NICEDAY RAONE TRGRID
ARMY CZ_PROB1 FRS2 KOMPICI NITK06 RATING TRICENTR
ARRANGE DANCE FRSKT KOPC12B NITT2 RDNWK TRICOUNT
ARRAYSUB DANDVIOL FUNAREA KOPC12H NITT8 RE1 TRIGALGE
ARTHEVAL DANGER FUNFACT KOSPC13B NOCHANGE REBOUND TRIKA
ASSIGN DCEPC11B FUNMODSEQ KOZE NOSQ REC TRIP
ASSIST DCEPC11C FUNPROB KPEQU NOTATRI RENT TRNGL
ATOMS DCEPC11F GALAXY KQUERY NOVICE43 REVFIB TRT
BABTWR DCEPC11I GAMARENA KQUERYO NOVICE63 RIOI_2_3 TSHOW1
BAISED DCEPC11J GAMECG KSELECT NR2 RIOI_3_2 TUTMRBL
BALLSAG DCEPC12B GAMES KSEQ NSQUARE RLCAT TWENDS
BANDW DCEPC12E GARDENAR KURUK14 NSQUARE2 RLE TWOKINGS
BASE DCEPC12G GCD2 LABYR1 NSTEPS RLM TWOSQRS
BBM DCEPC12H GCD3 LAGRANGE NSYSTEM ROADNET UCI2009B
BC DCEPC14A GCDSQF LASTDIG NUMPLAY ROADS UCV2013A
BEADS DCEPC14C GCJ1C09A LASTDIG2 NUMTSN ROBBERY2 UCV2013I
BEENUMS DCEPC14G GCJ1C09B LCA NWERC11A ROBOTGRI UCV2013J
BEHAPPY DCEPC200 GCJPURE LCMSUM NY10A ROCK UJ
BENEFACT DCEPC202 GCPC11A LCPC11B NY10E ROMAN ULM02
BFBASE DCEPC203 GCPC11D LCPC12B OAE ROMAN008 UPDATEIT
BFDIV DCEPC206 GCPC11F LCPC12C ODDDIV ROOTCIPH UVA1
BFMUL DCEPC207 GCPC11J LCPC12D OFFSIDE RPLA VECTAR1
BFPRMCYC DCEPC501 GEEKOUNT LCPC12E OKRET RPLB VECTAR4
BFREGEX1 DCEPC504 GENETIC LCPC12F OLOLO RPLC VECTAR5
BFROTATE DCEPC505 GEOM LCPC12G ONEZERO RPLD VENOM
BFTAB DCEPC701 GEOPROB LCPC12H ONP RPLE VERODOOM
BGTSTR DCEPC702 GERGOVIA LCS OPCPIZZA RPLG VFMUL
BHAT007 DCEPC706 GIRLSNBS LEGRENDS ORDERS RPLH VHELSING
BILLIARD DCEPC804 GK LENGFACT ORDERSET RPLK VISION
BINSTIRL DCEPC810 GLASS LINES OTOY1 RPLN VLATTICE
BIO1 DCEPCA01 GLASS2 LISA PACKRECT RROOT VPL0_A
BISHOP2 DCEPCA03 GLJIVE LITE PAGAIN SAFECRAC VPL0_B
BISHOPS DCEPCA04 GNY07D LKS PAIRSUM SAMER08A VPL0_C
BIT2 DCEPCA06 GNY07F LOCKER PALDR SAMER08C VPL2_AA
BITMAP DCEPCA08 GNY07H LOOPEXP PALIM SAMER08D VUDBOL5
BLINNET DCEPCA10 GNYR04C LOVINGPW PALIN SAMER08E VUDBOL7
BLOCK_D DCRYPT GNYR09F LQDCANDY PALINDNA SAMER08F WACHOVIA
BLOPER2 DEADFR GOALFR LUCKYNUM PARADOX SAMER08G WEIRDFN
BOBERT DEC123 GONE M00PAIR PARCARD1 SBANK WILLITST
BOCOMP DEFKIN GOODB M3TILE PARKET1 SBETS WINDVANE
BOGGLE DICE GOODD MADN PARSUMS SBSTR1 WONOWON
BOI7SEQ DICT GOODG MAIN111 PARTY SCAVHUNT WORDCNT
BOMARBLE DIEHARD GP1 MAIN113 PBOARD SCPC11B WORDS1
BOOKS1 DIFERENC GRC MAIN12A PCPC12D SCUBADIV WPC4F
BORING DIFFV GRIDSUM1 MAIN12B PCPC12E SEAGOD WPC5A
BORING2 DIG GRIDSUM3 MAIN72 PCPC12I SEGSQRSS WPC5D
BOTTOM DIGCNT GSCANDY MAIN74 PCPC12J SELLPHN2 WPC5F
BRCKTS DIGNUM GSHOP MAIN8_C PDECODE SEQ WRONG
BRDGHRD DINONUM GSS1 MAJOR PEBBLE SEQ6 WSCIPHER
BRI DISUBSTR GSS3 MAKEMAZE PEGS SEQ7 WTK
BRIDGE DIV GSS4 MANGOES PERIOD SEQAGAIN XMAX
BROKEN DIV15 GSS5 MANJFIRE PERIOD2 SHAHBG XMEN
BSHEEP DIV2 GSWORDS MARBLES PERIOD4 SHAKTI XOINC
BSHIP DIVISER9 GUANGGUN MARTIAN PERMUT1 SHOP XORRAY
BSMATH1 DIVSUM2 GUESSING MATCHING PERMUT2 SHPATH YAPP
BTCODE_D DIXDOOM GUESSNM2 MATHII PERMUT3 SHUFFLES YELBRICK
BTCODE_J DOJ1 GUESSTHE MATSUM PFDEP SICRANO YODA
BUGLIFE DOJ2 GUMATH2 MAXGRITH PFOLD SID YODANESS
BUILDTOW DOJO HABLU MAXLN PHIDIAS SILVER YOKOF
BUSYMAN DOMINST HACKRNDM MAXSUMSQ PHONELST SIRNUMS YOUTUBE
BUZZOFF DONALDO HAMSTER1 MAXWOODS PHT SKEY YOUWIN
BVAAN DORTMUND HANGOVER MAX_NUM PIBO SMALLM YOYOCQM
BWIDOW DOTAA HAP01 MAY99_1 PIBO2 SNAKYNUM ZAMENA
BYECAKES DQUERY HARSHAD MAY99_2 PIE SOLDIER ZIGZAG
BYTESE1 DSUBSEQ HASHIT MAY99_3 PIGBANK SOLDIERS ZSUM
BYTESE2 DSWEETS HAYBALE MAY99_4 PIR SORTING
BYTESM2 DTWW HC MAYA PIRACON SPCQ
CADYDIST DUGDUG HC12 MAYCA PISANO SPCU
CAM5 DUKKAR HEADSHOT MB1 PLNDROME SPEC_SET

TODO list of classical problems:

ACFRAC FACT2 KOSARE MAIN12C MTETRA PERIOD3 WITTY
AE2B FCTRHELL KULE MAX2214 NQUEEN PLOT1 XXXXXXXX
BSMATH2 FWFUNC LCDS MOD PCPC12H ROOT
BTCODE_E INS14D LCS2 MSKYCODE PELL2 THREETW1

Public problems created by user:

POLTOPOL FIBOSQRT FAST_BF2 SELFDESN SWAP_HRD AVMG1 JC15D
ASUMHARD INVPHI TJANDRAS BUGTEST BFGCD AVMG2 JC15E
CSPATH INVDIV A_W_S_N EGCJPURE FCTRL5 JOLLYKINGDOM JC15F
MNTILE SUBSHARD IRECSQRT BFK_AUTO BFONP LASER_BEAM
BSPRIME CRCLE_UI CIRCLE_E TOKI1493 SWAPSORT JC15A
EPROBLEM WOW_SQR CIRCLE_M SWAP_ESY VAL_GAM4 JC15B
BFTRI FAST_BF CIRCLE_H SWAP_MED XMAS2014 JC15C