Tjandra Satria Gunawan

@tjandra

Indonesia, Depok

Joined Mar 2012

World Rank: #24 (344.9 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 SPEC_SET
ABA12D CANDY3 DWRONG HERDING MBINGO PLUSEVI SPEED
ABA12E CANDY4 DYZIO HEXBOARD MBLAST POKER SPFIBO
ABCD CANTON EASYMATH HIGHWAYS MC POLEVAL SPIKES
ABCDEF CARRALLY EASYPROB HIST2 MCHAOS POLYNOM SPP
ABCPATH CATHETEN EBOXES HISTOGRA MCLONUM PON SPP2
ABSP1 CATM EC_CONB HK MCOINS PONY1 SQFREE
ABSYS CCHESS EDIST HLPRSRCH MCUR98 PONY2 SQRBR
ACMT CDC12_H EDIT HLP_RAMS MDIGITS PONY3 SQRROOT
ACODE CENCRY EDIT1 HNUMBERS MFLAR10 PONY4 SQUAREV1
ACPC10A CEQU EGYPIZZA HOMEW MICEMAZE PONY5 SSEQ
ACPC10B CFPARTY EIGHTS HOMO MIDO PONY6 STABLEMP
ACPC10C CFRAC EKO HORRIBLE MIFF PONY8 STAMPS
ACPC10D CFRAC2 ELEVTRBL HOTELS MINCOUNT POP1 STC02
ACPC10E CHICAGO EMTY2 HPYNOS MINSUB POP2 STICKS
ACPC11B CHICKEGG ENCONDIN HPYNOSII MISERMAN POSAO STONE
ACPC11C CHOCOLA ENIGMATH HS08CODE MIXTURES POSTERS STONE2
ACS CIPHERJ EPALIN HS08PAUL MKEQUAL POTHOLE STPAR
ACT CIRCIRC EPTT HS09EQ MKLABELS POUR1 STRCOUNT
ADDGP CISTFILL EQBOX HS09SHIP MKMONEY POWERPHI STREETR
ADDREV CITY2 EQU2 HS10SQFT MKTHNUM POWPOW SUBS
ADFRUITS CLAW ETF HS12MULT MMASS POWPOW2 SUBSEQ
ADITYA13 CLEANRBT ETFD HUBULLU MMATRIX POWTOW SUBSN
ADV04B1 CLOCKS ETFS IDC1948 MMAXPER PPATH SUBST1
ADV04C CLONE EXCLSEC IEEEBGAM MMMGAME PQUEUE SUBSUMS
ADV04J CLTZ FACEFRND IITD4 MNNITAR PRESIDEN SUB_PROB
ADV04K CLZSTRNG FACT0 IITKWPCA MOHIB PRIME SUMFOUR
ADV04L CMPLS FACT1 IITKWPCB MONONUM PRIME1 SUMITR
AE00 CNEASY FACTCG2 IITKWPCH MOUNTAIN PRIMEZUK SUMMUL
AFS CNTPRIME FACTMUL IITKWPCN MPILOT PRIMPERM SUMSUMS
AFS2 CNT_LUCK FACTMULN IITKWPCO MRECAMAN PRINT SUSY
AFSK CODEIT03 FACTMULO INCARDS MSCHED PRISMSA SYNC13C
AGGRCOW CODESPTA FACTMULP INCPOWK MSE06H PRJAN15C TAP2012B
AGS CODESPTB FACVSPOW INCSEQ MSE08G PRJAN15E TAP2013G
AIBOHP CODESPTC FAKETSP INS14B MSET PRJAN15F TAP2013H
AKVQLD03 CODPABBU FANCY INS14C MSUBSTR PRO TAXI
ALICESIE COEF FARIDA INS14K MTOTALF PROBLEM4 TCNUMFL
ALIEN COINS FASHION INTEGER1 MUL PROOT TCOUNT2
ALIENS1 COINTOSS FAST2 INTEGMAX MUL2COM PROSCORE TCOUNT3
ALLIZWEL COMDIV FASTFLOW INVCNT MULTII PSTR TDKPRIME
ALMISPY CONGA FAVDICE IOIPALIN MULTIPLY PSYCHON TDPRIMES
AMR10C CONHONPR FCTRL IOPC1203 MULTQ3 PSYCHOT TEAM2
AMR10G COOLPROB FCTRL2 IOPC1204 MUTDNA PT07D TEST
AMR11A COUNTPAS FCTRL4 IPAD MYQ1 PT07X TETRA
AMR11E CPCRC1C FEAST IQUERY MYQ10 PT07Y TETRAHRD
AMR12D CPRIME FENCE1 ITRIX12E MYQ5 PT07Z TETRAVEX
AMR12H CPRMT FERT21_0 ITRIX_E MYQ8 PTC THEPOOL
AMZRCK CQM1TREE FIBOSUM IWGBS MZVRK PTIME THRPWRS
AMZSEQ CRAN01 FIBOSUM2 IZHONYT M_SEQ PUCMM025 TIEROPE
ANARC05B CRAN02 FIBPOL JANE NACCI PUCMM210 TINKUJOB
ANARC05H CRAN04 FIBTWIST JARJAR NAIVELOK PUCMM215 TIP1
ANARC05I CRAZYSK FINDPRM JAVAC NAJ0001 PUZZLE24 TIPTOP
ANARC08A CRDS FINDSR JNEXT NAKANJ PWSUM TMB
ANARC08B CRSCNTRY FISHER JOKER1 NDIV PYRA TOANDFRO
ANARC08G CRYPTO2 FLIB JPIX NDIVPHI QKP TOE1
ANARC08H CRYPTO3 FLING1 JRIDE NDIVPHI2 QN02 TOE2
ANARC09A CSLIKAR FN16ASGN JULKA NEG2 QTGIFT1 TOHU
ANARC09B CSQUARE FN16BASE JZPCIR NESPALIN QTREE TOHU2
ANARC09C CSTREET FN16CEIL KATHTHI NFACTOR QTREE2 TOUGH
ANDROUND CTGAME FN16CLK KCARRY NFURY QTREE3 TOUR
AP2 CTPLUCKY FN16QUOT KGSS NG0FRCTN QUADAREA TRAFFICN
AP3 CTRICK FN16SWAP KIMO4 NG1FRCTN QUADRATE TRANCLS
APCER CUBEFR FORMAT KMOVES NGM QUEST4 TRECOUNT
APS CUBES FPOLICE KNGCHECK NHAY RABBIT1 TREEII
ARITH CUTCAKE FREQUENT KNJIGE NICEBTRE RANGESUM TREENUM2
ARITH2 CYLINDER FRQPRIME KOILINE NICEDAY RANJAN02 TREEPAL
ARMY CZ_PROB1 FRS2 KOMPICI NITK06 RAONE TRGRID
ARRANGE DANCE FRSKT KOPC12B NITT2 RATING TRICENTR
ARRAYSUB DANDVIOL FUNAREA KOPC12H NITT8 RDNWK TRICOUNT
ARTHEVAL DANGER FUNFACT KOSPC13B NOCHANGE RE1 TRIGALGE
ASSIGN DCEPC11B FUNMODSEQ KOZE NOSQ REBOUND TRIKA
ASSIST DCEPC11C FUNPROB KPEQU NOTATRI REC TRIP
ATOMS DCEPC11F GALAXY KQUERY NOVICE43 RENT TRNGL
BABTWR DCEPC11I GAMARENA KQUERYO NOVICE63 REVFIB TRT
BAISED DCEPC11J GAMECG KSELECT NR2 RIOI_2_3 TSHOW1
BALLSAG DCEPC12B GAMES KSEQ NSQUARE RIOI_3_2 TUTMRBL
BANDW DCEPC12E GARDENAR KURUK14 NSQUARE2 RLCAT TWENDS
BASE DCEPC12G GCD2 LABYR1 NSTEPS RLE TWOKINGS
BBM DCEPC12H GCD3 LAGRANGE NSYSTEM RLM TWOSQRS
BC DCEPC14A GCDSQF LASTDIG NUMPLAY ROADNET UCI2009B
BEADS DCEPC14C GCJ1C09A LASTDIG2 NUMTSN ROADS UCV2013A
BEENUMS DCEPC14G GCJ1C09B LCA NWERC11A ROBBERY2 UCV2013I
BEHAPPY DCEPC200 GCJPURE LCMSUM NY10A ROBOTGRI UCV2013J
BENEFACT DCEPC202 GCPC11A LCPC11B NY10E ROCK UJ
BFBASE DCEPC203 GCPC11D LCPC12B OAE ROMAN ULM02
BFDIV DCEPC206 GCPC11F LCPC12C ODDDIV ROMAN008 UPDATEIT
BFMUL DCEPC207 GCPC11J LCPC12D OFFSIDE ROOTCIPH UVA1
BFPRMCYC DCEPC501 GEEKOUNT LCPC12E OKRET RPLA VECTAR1
BFREGEX1 DCEPC504 GENETIC LCPC12F OLOLO RPLB VECTAR4
BFROTATE DCEPC505 GEOM LCPC12G ONEZERO RPLC VECTAR5
BFTAB DCEPC701 GEOPROB LCPC12H ONP RPLD VENOM
BGTSTR DCEPC702 GERGOVIA LCS OPCPIZZA RPLE VERODOOM
BHAT007 DCEPC706 GIRLSNBS LEGRENDS ORDERS RPLG VFMUL
BILLIARD DCEPC804 GK LENGFACT ORDERSET RPLH VHELSING
BINSTIRL DCEPC810 GLASS LINES OTOY1 RPLK VISION
BIO1 DCEPCA01 GLASS2 LISA PACKRECT RPLN VLATTICE
BISHOP2 DCEPCA03 GLJIVE LITE PAGAIN RROOT VPL0_A
BISHOPS DCEPCA04 GNY07D LKS PAIRSUM SAFECRAC VPL0_B
BIT2 DCEPCA06 GNY07F LOCKER PALDR SAMER08A VPL0_C
BITMAP DCEPCA08 GNY07H LOOPEXP PALIM SAMER08C VPL2_AA
BLINNET DCEPCA10 GNYR04C LOVINGPW PALIN SAMER08D VUDBOL5
BLOCK_D DCRYPT GNYR09F LQDCANDY PALINDNA SAMER08E VUDBOL7
BLOPER2 DEADFR GOALFR LUCKYNUM PARADOX SAMER08F WACHOVIA
BOBERT DEC123 GONE M00PAIR PARCARD1 SAMER08G WEIRDFN
BOCOMP DEFKIN GOODB M3TILE PARKET1 SBANK WILLITST
BOGGLE DICE GOODD MADN PARSUMS SBETS WINDVANE
BOI7SEQ DICT GOODG MAIN111 PARTY SBSTR1 WONOWON
BOMARBLE DIEHARD GP1 MAIN113 PBOARD SCAVHUNT WORDCNT
BOOKS1 DIFERENC GRC MAIN12A PCPC12D SCPC11B WORDS1
BORING DIFFV GRIDSUM1 MAIN12B PCPC12E SCUBADIV WPC4F
BORING2 DIG GRIDSUM3 MAIN72 PCPC12I SEAGOD WPC5A
BOTTOM DIGCNT GSCANDY MAIN74 PCPC12J SEGSQRSS WPC5D
BRCKTS DIGNUM GSHOP MAIN8_C PDECODE SELLPHN2 WPC5F
BRDGHRD DINONUM GSS1 MAJOR PEBBLE SEQ WRONG
BRI DISUBSTR GSS3 MAKEMAZE PEGS SEQ6 WSCIPHER
BRIDGE DIV GSS4 MANGOES PERIOD SEQ7 WTK
BROKEN DIV15 GSS5 MANJFIRE PERIOD2 SEQAGAIN XMAX
BSHEEP DIV2 GSWORDS MARBLES PERIOD4 SHAHBG XMEN
BSHIP DIVISER9 GUANGGUN MARTIAN PERMUT1 SHAKTI XOINC
BSMATH1 DIVSUM2 GUESSING MATCHING PERMUT2 SHOP XORRAY
BTCODE_D DIXDOOM GUESSNM2 MATHII PERMUT3 SHPATH YAPP
BTCODE_J DOJ1 GUESSTHE MATSUM PFDEP SHUFFLES YELBRICK
BUGLIFE DOJ2 GUMATH2 MAXGRITH PFOLD SICRANO YODA
BUILDTOW DOJO HABLU MAXLN PHIDIAS SID YODANESS
BUSYMAN DOMINST HACKRNDM MAXSUMSQ PHONELST SILVER YOKOF
BUZZOFF DONALDO HAMSTER1 MAXWOODS PHT SIRNUMS YOUTUBE
BVAAN DORTMUND HANGOVER MAX_NUM PIBO SKEY YOUWIN
BWIDOW DOTAA HAP01 MAY99_1 PIBO2 SMALLM YOYOCQM
BYECAKES DQUERY HARSHAD MAY99_2 PIE SNAKYNUM ZAMENA
BYTESE1 DSUBSEQ HASHIT MAY99_3 PIGBANK SOLDIER ZIGZAG
BYTESE2 DSWEETS HAYBALE MAY99_4 PIR SOLDIERS ZSUM
BYTESM2 DTWW HC MAYA PIRACON SORTING
CADYDIST DUGDUG HC12 MAYCA PISANO SPCQ
CAM5 DUKKAR HEADSHOT MB1 PLNDROME SPCU

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