Koki Igarashi

@igarash1

Japan, Tokyo

Joined May 2011

World Rank: #1007 (27.2 points)

Institution: NaN

Activity over the last year

Effectiveness

 Problems solved
289
 Solutions submitted
1505

Problems

List of solved classical problems:

ABCDEF CANTON FREQ2 KOICOST MRECAMAN POLQUERY STREET
ABSYS CATM FREQUENT KOILINE MRECTCNT POLYSSQ STREETR
ACODE CATTLEB FTOUR2 KOIREP MSAFE PON SUBSEQ
ACPC10A CCCCUBE GAMES KRECT MSTICK POSAO SUBST1
ACPC10D CHAIR GANNHAT LABYR1 MTREE POSTERS SUBSUMS
ACPC11B CHICAGO GCD2 LAGRANGE MTWALK POTHOLE SUM1SEQ
ACS CHOCOLA GIRLSNBS LASTDIG MULTQ3 POUR1 SUMFOUR
ADDREV CLK GLJIVE LASTDIG2 MZVRK PPATH SUMITR
AE00 CLOCKS GNY07C LCPC12F NAJKRACI PRIME1 SUMSUMS
AGGRCOW CLONE GOO LINES NEG2 PRO SUPPER
AIBOHP CNEASY GSS1 LIS2 NGM PSWITCH SWAPS
ALIENS COINS GSS3 LITE NHAY PT07X TCUTTER
AMBM COMDIV GSS4 LPERMUT NICEDAY PT07Y TEAM2
AMR10G COWCAR GSS5 LQDCANDY NOTATRI PT07Z TEMPLEQ
AMZRCK CTRICK GSS7 LUBEN NSTEPS QTREE TEST
AMZSEQ CUBES GUESSING M00PAIR NY10A QTREE2 THREECOL
ANARC05B CYLINDER HACKRNDM M3TILE ODDDIV QTREE5 TOANDFRO
ANARC09A CZ_PROB1 HANGOVER MAJOR OFFSIDE QUEST4 TOURIST
ANARC09B DANGER HASHIT MAJSTOR ONEZERO QUEST5 TRANK
ANDROUND DCEPCA06 HELPR2D2 MATRIOSH ONP RABBIT1 TRGRID
ARITH DEFKIN HERDING MATRIX2 ORDERSET RACETIME TRICOUNT
ARITH2 DEPEND HIKE MATSUM PAIRSUM RATING TRIP
ARMY DFLOOR HIST2 MAXLN PALIN RECTNG1 TRT
ARRAYSUB DINGRP HISTOGRA MAXSUMSQ PALSEC RENT TSHOW1
ASSIST DISQUERY HOMO MAYA PARADOX ROADNET TWINSNOW
BABTWR DISUBSTR HORRIBLE MBIPALIN PARTSUM RPAR TWOSQRS
BACKPACK DIV15 HOTELS MCOINS PARTY RRSCHED UPSUB
BACKUP DOORSPEN HPYNOS MDOLLS PATHEADS SAMER08F WATER
BANDW DQUERY HPYNOSII MELE3 PATULJCI SCAVHUNT WEIRDFN
BEADS DYZIO HS08PAUL MENU PEBBLE SCPC11B WILLITST
BITMAP EASYPROB HUBULLU MFISH PERMUT1 SCUBADIV WINDOW1
BLINNET EDIST ICAMPSEQ MFLAR10 PERMUT2 SEQPAR WORDS1
BOI7SEQ EGYPIZZA ICODER MICEMAZE PFDEP SHOP XOINC
BOI7SOU EIGHTS IKEYB MINUS PHIDIAS SHPATH YAPP
BOOKS1 EMPTY INCDSEQ MISERMAN PHONELST SOLDIER YODANESS
BRCKTS EXPEDI INCSEQ MIXTURES PICAD SOLIT ZNANSTVE
BRI FASHION INVCNT MLASERP PIE SPOINTS ZUMA
BSHEEP FCTRL IOIPALIN MLE PIGBANK SSEQ
BYTESE1 FCTRL2 JAVAC MMAXPER PIR STABLEMP
BYTESM2 FISHER JRIDE MOBILE2 PIZZALOC STAMPS
CANDY FPOLICE JULKA MOBIVINA PLSEARCH STONE
CANDY3 FRACTION KGSS MPILOT POLEVAL STPAR

TODO list of classical problems:

ABCD CMPLS COVER2 EQBOX FCANDY GSS2 PLD
BOXES COUNT CTAIN FACTMUL FLWRS KPSUM RESTACK