Ben Hachimori

@hachimori

Japan

Joined Apr 2005

World Rank: #1271 (23.9 points)

Activity over the last year

Effectiveness

 Problems solved
220
 Solutions submitted
1650

Problems

List of solved classical problems:

ABSYS CANDY ENCONDIN HIGHWAYS MMASS PICAD SHPATH
ACMAKER CANDY3 EQDIV HIKE MMAXPER PIR SOLDIER
ACODE CANTON EXPEDI HIST2 MNERED PLHOP SQRBR
ACS CATM EXPRESS HUBULLU MORSE PLSEARCH STABLEMP
ACT CERC07B FARMER IGARB MPOLSTAR POKER STAMPS
ADDREV CERC07K FASHION INCARDS MRECAMAN PON STONE
AE00 CERC07N FAVDICE INTERVAL MUDDY POSTERS STPAR
AIBOHP CERC07R FCTRL INUMBER MUL POUR1 SUBSEQ
APRIME CFRAC2 FCTRL2 JASIEK MZVRK PQUEUE SUBST1
ARITH CHMAZE FILTER JAVAC NAPTIME PRIME1 SUMFOUR
ARMY CLEANRBT FISHER JULKA NEG2 PRO SUMITR
ARRANGE CLONE FOOL LAGRANGE NGM PT07Y TEST
ASSIGN CNEASY FPOLICE LASTDIG NICEDAY PT07Z TETRA
ASSIST COINS FRACTION LIAR NOTATRI QTREE TFOSS
BABTWR COMCB FREQUENT LINE NSTEPS QTREE2 THREECOL
BALIFE CPRMT GCD2 LINES NSYSTEM QUADAREA TOANDFRO
BASE CRSCNTRY GEOM LISA OFFSIDE QUEST4 TOUR
BEADS CRYPTO1 GEOPROB LPERMUT OFORTUNE RABBIT1 TOURS
BILLIARD CRYPTO2 GNY07C LSORT ONEZERO RELINETS TREE1
BINGO CTAIN GNY07D M00PAIR ONP RENT TREEGAME
BINSTIRL CTRICK GNY07E M3TILE PAIRINT ROADS TRICENTR
BISHOPS CUBES GNY07F MAJSTOR PALACE RPS TRICOUNT
BITMAP CYLINDER GNY07H MARBLES PALIN SAM TRT
BLINNET DANGER GONDOR MATRIOSH PATHEADS SAMER08A UJ
BMJ DIV15 GOSSIPER MATSUM PAYING SAMER08C VFMUL
BOOKS1 DNPALIN GROCERY MAYA PB SAMER08E VONNY
BRCKTS DRINK GSS1 MCIRGAME PDECODE SAMER08F WORDCNT
BSHEEP EASYPIE GUESSING MDIGITS PERMUT1 SAMER08G WSCIPHER
BUGLIFE EASYPROB HALLOW MINIMAX PERMUT2 SCALE
BWHEELER EDGE HAN01 MIXTURES PFDEP SCAVHUNT
BYTESE1 EIGHTS HANGOVER MKLABELS PHIDIAS SERVICE
BYTESM2 ELECTRO HASHIT MKMONEY PHONELST SHOP

TODO list of classical problems:

AGGRCOW COUNT HELPR2D2 MCOINS PIGBANK SBANK TRANK
ATMS COURIER HISTOGRA MICEMAZE PLONK SCANNER TRIOMINO
BAISED CSTREET HMRO MINCOUNT POLEVAL SCUBADIV TRIP
BENEFACT CTGAME ICODER MTWALK POLYGAME SEQ TRSTAGE
BROKEN CZ_PROB1 IKEYB MUSKET POTHOLE SORTBIT TWENDS
CANDY2 DECORATE INCSEQ NHAY PPATH SUBS TWOSQRS
CDOWN DFLOOR JRIDE NOCHANGE PRMLX SUM1SEQ UPSUB
CHICAGO DISUBSTR KROW ORDERS PT07X SUPPER WALL
CHOCOLA DSUBSEQ LABYR1 PARTIT QKP SWTHIN WATER
CISTFILL DYZIO LAZYPROG PARTPALI QTREE4 TAUT WORDS1
CLK EOWAMRT LCS PARTY QUEST5 TAXI
CMEXPR EQBOX LWAR PERIOD ROADNET TOE1
CMPLS GAMEFIL MAYACAL PIE ROCK TOE2