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Ricardo Bittencourt

@ricbit

Brazil, São Paulo

Joined Sep 2006

World Rank: #256 (80 points)

Institution: USP

Activity over the last year

Effectiveness

 Problems solved
447
 Solutions submitted
2929

Problems

List of solved classical problems:

ABA12D BUGLIFE EASYPROB HPYNOS MKWAVES POLEVAL SILVER
ABCDEF BYECAKES EDS HPYNOSII MMASS POLYCODE SMALL
ABCPATH BYTESM2 EGYPIZZA HS08CODE MOHIB PON SOLDIER
ABSYS C1LJUTNJ EIGHTS HS08PAUL MONODIG POSTERS SOLIT
ACODE CALCULAT ELEVTRBL HUBULLU MORSE POTHOLE SPEED
ACPC10A CAM5 ELIM ICODER MRECAMAN POUR1 SPP
ACPC10B CANDY ENCONDIN ICPCS MSET POWERUP SQRBR
ACPC11B CANDY3 EQBOX IGARB MTETRA POWPOW SQRROOT
ACPC11C CANTON EQDIV IITKWPCM MUL POWTOW SQUAREV1
ACS CATM ETF IMAGE M_SEQ PPATH STABLEMP
ACT CENCRY EUROPEAN IMGPROJ NAJPWG PQUEUE STAMPS
ADDREV CERC07R FACEFRND IMPUNITS NEG2 PRIME1 STAVATAR
ADV04J CFRAC FACTCG2 INCPOWK NGM PRIMEZUK STONE
ADV04L CFRAC2 FACVSPOW INDEXGEN NHAY PRIMPERM STPAR
AE00 CHASE FANCY INDIPROG NITT2 PRISMSA SUBS
AGGRCOW CHICAGO FASHION INS14G NOCHANGE PRJAN15F SUBSEQ
AIBOHP CHOCOLA FAVDICE INTEGER1 NOSQ PRO SUBST1
ALICESIE CIPHERJ FCTRL IOPC1203 NOTATRI PROBLEM4 SUDOKU
ALIENS1 CISTFILL FCTRL2 ITRIX_E NSQUARE PROBOR SUM1SEQ
AMBM CLEANRBT FCTRL4 JASIEK NSTEPS PROOT SUMFOUR
AMR10C CLK FENCE1 JAVAC NSYSTEM PROSCORE SUMITR
AMR10G CLONE FERT21_0 JNEXT NUMOFPAL PT07D SUMSUMS
AMR11E CLTZ FIBOSQRT JOKER1 NY10A PT07H TAP2012C
AMR12D CMPLS FIBOSUM JRIDE NY10B PT07X TAP2014E
AMZRCK CNEASY FIBTWIST JULKA NY10C PT07Y TAUT
ANARC05B CODEIT03 FINDSR KOZE NY10D PT07Z TDKPRIME
ANARC08B COEF FOOL KPEQU NY10E PTIME TDPRIMES
ANARC08H COINS FRACTION KROW ODWS PUCMM025 TEST
ANARC08J COMCB FREQUENT LABYR1 OFFSIDE PUCMM210 TETRA
ANARC09A COMDIV FRMT LASTDIG OFORTUNE PUCMM223 TETRAHED
ANARC09B CPC FROGS LASTDIG2 OHANISER PWSUM TETRAHRD
ANARC09C CPRIME FRS2 LEGRENDS OLOLO QUADAREA TOANDFRO
APRIME CPRMT FUNFACT LENGFACT ONEZERO QUADRATE TOE1
APS CRCLE_UI FUNPROB LINES ONP RABBIT1 TOE2
ARCTAN CRYPTO1 GAMES LISA OPCPIZZA REBOUND TOHU
ARITH CRYPTON GCD2 LOGIC ORDERSET REC TPERML
ARITH2 CSQUARE GCJ1C09A LONER OTOY1 REGPOLYG TRANK
ARMY CSTREET GCPC11F LWAR PAGAIN RENT TRANSL
ARRAYSUB CTRICK GENETIC M00PAIR PAIRINT RIOI_2_3 TRANSMIT
ASSIGN CUBEFR GEOM M3TILE PAIRSUM RIVALS TREE1
ASSIST CUBERT GEOPROB MAIN111 PALACE RLM TREENUM2
AVARY CUBES GIRLSNBS MAIN113 PALIN ROADNET TRGRID
BABTWR CZ_PROB1 GLJIVE MAIN72 PANCAKES ROBOTGRI TRICENTR
BASE DANGER GNY07H MAIN8_C PARKET1 ROCK TRICOUNT
BEADS DCEPC505 GONDOR MAJOR PARTIT ROMAN TRIGALGE
BEENUMS DCEPCA03 GOODB MARBLES PARTPALI ROMAN008 TRIP
BEHAPPY DEADFR GROCERY MARIO2 PARTY ROOT TRIPART
BILLIARD DECORATE GSS1 MATRIOSH PATHEADS ROOTCIPH TRT
BINGO DELCOMM GUANGGUN MATSUM PAYING RPLG TWINSNOW
BINSTIRL DEPEND GUESSING MAXLN PB SAMER08F TWOSQRS
BISHOPS DICT GUESSNM2 MAX_NUM PDECODE SAMER08G UCI2009B
BITMAP DICTSUB GUESSTHE MAYA PERMUT1 SAMER08K UJ
BLINNET DINONUM HACKRNDM MB1 PERMUT2 SBANK UPSUB
BLUEEQ3 DISUBSTR HAMSTER1 MBINGO PFDEP SBETS VERODOOM
BOGGLE DIV HANGOVER MCOINS PHIDIAS SCALE VONNY
BOMARBLE DIV15 HAREFOX MFLAR10 PHONELST SCAVHUNT WILLITST
BOOKS1 DIV2 HASHIT MICEMAZE PHONY SCPC11B WORDCNT
BOOLE DIVFACT HEADSHOT MIDO PICAD SCRAPER WORDS1
BOPERISH DIVISION HEPNUM MIFF PIE SCUBADIV WPC5I
BOWLING1 DNPALIN HIGHWAYS MINCOUNT PIGBANK SEQ WSCIPHER
BRCKTS DOJO HIKE MINI PIHEX2 SEQAGAIN YELBRICK
BROKEN DOUBLE HISTOGRA MIXTURES PIR SHELL YODA
BSMATH1 DYZIO HMRO MKLABELS POCRI SHOP ZSUM
BST EASYPIE HOMO MKMONEY POKER SHPATH

TODO list of classical problems:

AMR11A BUREAU DIVSUM2 FAKEHASH HELPCOMM MCOCIR STREETR
ANARC09G CAKE EASYFACT FINDMAX INS14A POWPOW2 TCNUMFL
BITPLAY CLEVER EDIT3 GCPC11A INVCNT PRIMEPOW TRIOPT
BOI7SEQ CLOPPAIR EQ2 GOSSIPER KPMATRIX PT07F VECTAR8
BSMATH2 DCEPC206 FACT0 HEAPULM LAGRANGE SMALLM

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