Tjandra Satria Gunawan

@tjandra

Indonesia, Depok

Joined Mar 2012

World Rank: #13 (381 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
933
 Solutions submitted
6309

Problems

List of solved classical problems:

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

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