Sphere Online Judge

Oleg Chernyakhovskiy's user data

Current world rank: #2

(1048.5 points)

Username: defrager
Country: RUSSIAN FEDERATION
Institution: Google

Problems solved Solutions submitted Solutions accepted Wrong Answer Compile Error Runtime Error Time Limit Exceeded
1780 7256 2575 1904 237 967 1573

History of submissions
(plaintext version)

      List of solved classical problems:
ABA12C C1TABOVI EASYPIE HIST2 MDOLLS PHU09K SPAMD
ABA12D C2CRNI EASYPROB HISTOGRA MDOSTAVA PIB SPEED
ABA12E CABLETV EBOXES HISTORY MDST PICAD SPFIBO
ABCD CABLEXPR EDDIST HITOMISS MECGROUP PIE SPHIWAY
ABCDEF CADYDIST EDGE HKNAP MELE2 PIGBANK SPIN
ABCPATH CAKE EDIST HLPRSRCH MELE3 PIR SPLIT
ABSURD CAKE2 EDIT HMRO MEMDIS PITPAIR SPOINTS
ABSYS CAKE3 EDIT1 HNSUBWAY MENU PIZZALOC SPP
ACAB CAL EDIT2 HOLIDAY1 MESS PKA SPQUEUE
ACARGO CALCULAT EDIT3 HOLIDAY2 MEXICAN PKD SQCOUNT
ACFRAC CALLS EDS HOMEC MFISH PLAHTE SQDANCE
ACMAKER CAM5 EGYPIZZA HOMEW MFLAR10 PLATON SQFFACT
ACODE CAMELOT EIGHTS HOMO MGAME1 PLAYSIGN SQFREE
ACPC10A CANDN EKO HORRIBLE MGCSCLS PLCNMGME SQRBR
ACPC10B CANDY ELASTIC HOSPITAL MGLAR10 PLD SQRROOT
ACPC10C CANDY2 ELCS HOTELS MHLAR10 PLHOP SQUAREV1
ACPC10D CANDY3 ELECTRO HOTLINE MIB PLONK SQUA_REV
ACPC10E CANDYSTN ELEVTRBL HOUSES2 MICEMAZE PLSEARCH SSEQ
ACPC10G CANTON ELIM HPYNOS MIDO PLUSEVI SSHUFFLE
ACPC10H CAPCITY ELLIPSE HPYNOSII MILAR10 PLYGRND SSORT
ACPC10I CARDSHUF EMOTICON HS08CODE MILPATR PMATRIX SSTRCITS
ACPC11B CARNIVAL EMPODIA HS08EQ MINCOUNT PNTBYNUM STABARDS
ACPC11C CASHIER EMPTY HS08FOUR MINDIST POCRI STABLEMP
ACS CASTANET EN HS08PAUL MINES4 POKER STACK
ACT CATM ENCONDIN HSEQ MINIMAX POLEVAL STAMPS
ACTIV CATTACK ENUMRTNL HUBULLU MINMOVE POLQUERY STARGATE
ADDREV CATTLEB EOPERA ICAMPSEQ MINSEQ POLY1 STCKHOLM
ADFRUITS CAVE EOWAMRT ICODER MINTRIAN POLYCODE STEAD
ADSPROP CAVLI EPALIN ICPCS MINUS POLYEQ STEVE
ADV04B1 CCCCUBE EPURSE IEEEBGAM MINVEST POLYGAME STJEPAN
ADV04F1 CCHESS EQ IEXPOLRE MISERMAN POLYNOM STONE
ADV04I1 CCOST EQBOX IGARB MIXTURES POLYSSQ STORE
ADV04J CCROSS EQDIV IITD1 MJLAR10 PON STPAR
ADV04L CCROSSX EQU2 IITD4 MJOURNEY POSTERS STRCOUNT
ADVEDIST CDOWN ESCJAILA IITD5 MKBUDGET POTHOLE STRDIST
AE00 CENCRY ESJAIL IKEYB MKJUMPS POUR1 STRDIST2
AE2A CEOI09TR ETF IM MKLABELS PPATH STREDUCE
AE2B CEPC08B EUROPEAN IMAGE MKLAR10 PQUEUE STREET
AE3A CERC07B EVERLAST IMATCH MKMONEY PRATA STREETR
AE4A CERC07C EXCHANGE IMGPROJ MKMOOM PRETILE STRGAMB
AE4B CERC07H EXCHNG IMMERSED MKPAIRS PRETTY STRLCP
AE5B1 CERC07K EXPAND IMP MKPALS PRETTYP STSTRING
AE5B2 CERC07L EXPEDI IMPORT MKTHNUM PRHYME SUBLEX
AEROLITE CERC07N EXPER IMPORT1 MKTHPATH PRIME1 SUBS
AGGRCOW CERC07P EXPLOSN IMPUNITS MKUHAR PRIMES2 SUBSEQ
AIBOHP CERC07R EXPR1 INCARDS MKWAVES PRIMEZUK SUBST1
AIRLINES CERC07S EXPR3 INCDSEQ MLAND PRIMIT SUBSUMS
ALIBB CERC07W EXPR4 INCEST MLASERP PRIMPERM SUBWAYPL
ALICEBOB CF25E EXPRESS INCPOWK MLE PRISMSA SUB_PROB
ALICECUB CF33C FACEFRND INCR MLK PRLGAME SUDOKU
ALICESIE CF36D FACT0 INCSEQ MMAHWIRE PRMLX SUDOKU2
ALIEN CFJUN21 FACT1 INDEPCNT MMASS PRO SUM1SEQ
ALIENS CFPARTY FACTCG2 INDEXGEN MMATRIX PROBLEM4 SUMFOUR
ALIENS1 CFRAC FACTOR1 INDIPROG MMAXPER PROBOR SUMITR
ALL CFRAC2 FACVSPOW ININT MMCUT PROFIT SUMMUL
ALTARS CH3D FAIRONOT INTCOMB MMIND PROGPROG SUMSLOPE
ALTPERM CHAIN FAKETSP INTEGER1 MMINMAX PROOT SUMSUMS
AMATH CHAIR FALLINGI INTEGMAX MMINPAID PROPKEY SUPPER
AMBIG CHARLIE FALTAENV INTERVA2 MMINPER PROSCORE SVADA
AMBM CHASE FAMILY INTERVAL MMMGAME PRUBALL SWAPS
AMCODES CHASE1 FANCY INUMBER MNERED PSTR SWARM
AMR10A CHEATING FARMER INVCNT MNMXPATH PSTRING SWJAM
AMR10C CHEFFEB FASHION INVENT MOBILE PSWITCH SWTHIN
AMR10D CHEFJUL FAST2 INVESORT MOBILE2 PT07A TABLE
AMR10E CHEFJUN FASTFLOW IOIBOUND MOBIVINA PT07B TABLE5X5
AMR10G CHEFMAR FASTFOOD IOIGARD MOD PT07C TABLIC
AMR10H CHEFMAY FAVDICE IOIISL08 MOLE PT07D TAILS
AMR10I CHICAGO FAVSUBS IOIPALIN MONODIG PT07F TAN1
AMR10J CHMAZE FCANDY IPCELLS MONONUM PT07G TAUT
AMR11A CHOCDIST FCATTLE ISLHOP MONSTER PT07H TAXI
AMR11E CHOCOLA FCSYS ITERBIT MOOPIZZA PT07J TBGAME
AMZRCK CHRIS FCTRL ITRIX_C MORPH PT07X TCNUMFL
AMZSEQ CIJEVI FCTRL2 ITRIX_D MORSE PT07Y TCOUNT2
ANALYSER CIPHERJ FCTRL4 ITRIX_E MOULDS PT07Z TCOUNT3
ANARC05B CIRCLES FENCE1 IVAN MOVEBOOK PTIME TCUTTER
ANARC05H CIRCSCR FENCE3 IWGBS MOVIE PUCMM025 TDKPRIME
ANARC05I CIRU FERRY IZBORI MOVMRBL PUCMM210 TDPRIMES
ANARC07C CISTFILL FERT21_0 JANE MOWS PUTIN TEAM2
ANARC07G CITY2 FFROG JARA MPART PUZZLE2 TEM
ANARC08A CIVIL FIBOSUM JASIEK MPIGS PWSUM TEMPLEQ
ANARC08B CLEANRBT FIBTWIST JAVAC MPILOT PYRA TEMPTISL
ANARC08C CLEVER FILRTEST JAZZYJOB MPOINT PYRSUM TENNIS
ANARC08D CLK FILTER JEDNAKOS MPOLEVAL PYRSUM2 TEST
ANARC08F CLOCKS FINDMAX JEWELS MPOLGRID QCJ1 TETRA
ANARC08G CLONE FINDPATH JLEAGUE MPOLSTAR QCJ2 TETRAHED
ANARC08H CLONES FINDPRM JMFILTER MPOLY QCJ3 TETRAHRD
ANARC08I CLOPPAIR FINDSR JNEXT MRAVOGRA QCJ4 TETRAVEX
ANARC08J CLOSEST FINFRAC JOCHEF MRECAMAN QKP TETRIS2D
ANARC09A CLTZ FIRM JPIX MRECT1 QMAX3VN TETRIS3D
ANARC09B CMEXPR FISHER JRIDE MRECTCNT QTREE TETRISGM
ANARC09C CMPLS FISHNET JRNTMRS MREPLBRC QTREE2 TFOSS
ANARC09D CNEASY FLBRKLIN JUICE MROADS QTREE4 TFSETS
ANARC09F CNHARD FLIB JULKA MSAFE QTREE5 THRBL
ANARC09G CNTTEAMS FLOWERS JUMP1 MSE06E QUADAREA THREECOL
ANARC09H CNTTREE FLOWERS2 JZPCIR MSE06H QUADRATE THREETW1
ANARC09I COCONUTS FLOWGROW JZPGYZ MSE06I QUEEN TICKET
ANARC09J CODE FLWRS KEQ MSE07E QUERYSTR TILING
ANDROUND CODE1 FNRANK KFRIENDS MSE08G QUEST4 TLE
ANGELS CODEIT03 FOLD KGSS MSE08H QUEST5 TOANDFRO
ANTTT CODESPTB FOOL KITEPRBL MSKYCODE QUILT TOE1
AP2 COEF FOOTBALL KITROB MSTRING RABBIT1 TOE2
AP3 COINS FOREST KKKCT2 MSTRMND RACETIME TOHU
APRIME COINTOSS FOREST2 KMSL4B MSTS RAIL TOHU2
ARBITRAG COMBAT FOUROW KNIGHTS MTELE RAILROAD TOMJERRY
ARCHI COMCB FP KNIGHTSR MTOTALF RAIN1 TOP10
ARCHPLG COMDIV FPLAN KNJIGE MTRAIN RAIN2 TOPCODE
ARCTAN COMMEDIA FPOLICE KOICOST MTREE RAIN3 TORNJEVI
ARDA1 COMPASS FRACTAL KOILINE MTREECOL RAINBOW TOSCORE
AREA1 COMPLETE FRACTAN KOIREP MTRGAME RAMP TOUR
ARITH COMPRESS FRACTION KOLACI MTRIAREA RANJAN02 TOURIST
ARITH2 CONDUIT FREQ2 KOLICA MTWALK RATING TOURS
ARITHSEQ CONGA FREQUENT KOPC12A MUDDY RATTERN TOWER
ARMY CONNECT FROGGER KPARCH MUL REBOUND TPERML
AROAD CONTEST FROGS KPEQU MUL2COM REC TRAFFICN
AROUND CONTPACK FRQPRIME KPGAME MULPAL RECTANGL TRANK
ARRANGE COOLNUMS FSEATS KPGRAPHS MULTIPLY RECTNG1 TRANS
ARRANGE2 COPYDNA FSHEEP KPMATRIX MULTQ3 RECTNG2 TRANSJ
ARRAYSUB CORNET FTHEELF KPMAZE MUSIC RELATS1 TRANSL
ASCIRC COUNT FTOUR KPPOLY MUSKET RELINETS TRANSMIT
ASISTENT COUNTPAS FTOUR2 KPRIMES2 MVECTOR RELJEF TRANSP
ASSIGN COURIER FUNFACT KPSORT MWORDS REMGAME TRANSP1
ASSIGN4 COVER FUNPROB KPSUM MYQ1 RENT TRANSP2
ASSIGN5 COVER2 FUPRCO KPURSUIT MYSTIC REPAIR1 TRAVERSE
ASSIST COWCAR FUSION KRECT MZVRK REPEATS TREASURY
ATMS COWPIC GALLUP KROW NACCI RESIST TREE
ATOURISM CPAIR GALOU KRUS NAGAY RHOMBS TREE1
AVARY CPATTERN GAME KRUSKAL NAJKRACI RIGHTTRI TREE2
AVDM CPC GAME2 KSEQ NAPTIME RLM TREECST
AVOIDSOS CPCRC1C GAME31 KUTH NBLTHIEF RNDORDER TREEGAME
AXIS CPRIME GAMEFIL KVALTWR NCKLCE RNG TREEISO
BABTWR CPRMT GAMETIME LABYR1 NDIVPHI RNUMBER TREESIM
BABY CPU GANNHAT LABYR2 NDIVPHI2 ROADNET TREESUM
BAC CRAZYR GARBAGE LAGRANGE NECKDEC ROADS TRES
BACKPACK CRDS GARDEN LAND NECKLACE ROADTRIP TREX
BACKTPOL CROBOTS GARDENAR LANDFILL NEG2 ROBBERY2 TREZOR
BACKUP CROSSBIT GASWARS LANDING NETADMIN ROBIN TRGRID
BAISED CRSCNTRY GCD2 LANDSCAP NFACTOR ROBOT TRIBE2
BALIFE CRYPTO GCDEX LARGE NG0FRCTN ROBOTGRI TRICENTR
BALL CRYPTO1 GCDSQF LASTDIG NG1FRCTN ROCK TRICOUNT
BALL1 CRYPTO2 GCJ08C LASTDIG2 NGM ROCKETS TRIEQUAL
BALLIGHT CRYPTO3 GCJ101AB LATTICE NGM2 ROMAN TRIGALGE
BALLOON CRYPTO4 GCJ101BB LAWNMWR NGON ROMANRDS TRIKA
BALLOT CRYPTO6 GCJ101C LAZYCOWS NHAY ROOKS TRIOMINO
BANDMATR CRYPTO7 GCPC11A LAZYPROG NICEDAY ROOT TRIOPT
BANDW CRYPTON GCPC11B LCDS NOCHANGE ROOTCIPH TRIP
BARB CSQUARE GCPC11C LCKYCONT NONDEC ROUNDT TRIPART
BARN CSTREET GCPC11D LCM NOSQ RP TRKNIGHT
BASE CSUBSEQS GCPC11E LCMSUM NOTATRI RPAR TROLLS
BC CT GCPC11F LCS NOTOKNOT RPGAMES TROOPS
BCHOCO CT101CC GCPC11H LCS2 NOVICE43 RPLC TRSTAGE
BEADS CT10R3B GCPC11I LCS3 NOVICE62 RPLD TRT
BEENUMS CT14E GCPC11J LEAKCONT NOVICE63 RPLE TRUTHORL
BEGIN CT16E GEM LEGO NOVICE65 RPLH TSHOW1
BEHAPPY CT23E GEN LEGRENDS NQUEEN RPLN TSPAGAIN
BENEFACT CT25C GEN2 LENGFACT NSTEPS RPS TSUM
BFALG CTAIN GENETIC LEONARDO NSUBSTR RPSSL TTABLE
BFIT CTFLAG GENETICS LEXBRAC NSUBSTR2 RRSCHED TTOP
BGAME CTGAME GEOM LFM NSYSTEM RSORTING TTTABLE
BHAT007 CTOI09_1 GEOPROB LGLOVE NUMGAME RSTAURNT TUG
BIA CTOI10D1 GEORGE LIAR NUMOFPAL RUNAWAY TUTMRBL
BICYCLE CTOI10D2 GERGOVIA LIFEGAME NUMQDW SA04C TWENDS
BIGSEQ CTOI10D3 GETBACK LIFTS NWERC04H SA04D TWENTYQ
BILLIARD CTRICK GF2 LIM NWERC10G SALTOS TWICE
BINGO CUBARTWK GHOSTS LINE NWERC10H SAM TWINSNOW
BINSTIRL CUBEFR GIRLSNBS LINELAND NWERC11B SAMER08A TWIST
BIO1 CUBEND GIWED LINES NWERC11E SAMER08B TWOPROF
BIRD CUBERT GK LINEUP NY10A SAMER08C TWORK
BIRTHDAY CUBES GLASNICI LIS2 NY10B SAMER08D TWOSQRS
BISHOP2 CUCKOO GLJIVE LISA NY10C SAMER08E TYPESET
BISHOPS CURSE GLOVE LITE NY10D SAMER08F UCI2009B
BITMAP CUTOUT GLUE LITELANG NY10E SAMER08G UCI2009D
BLINNET CUTSQRS GNUM LITEPIPE O2JAM SAMER08H UCODES
BLOCK CVJETICI GNY07C LLCA OAE SAMER08I UCUBE
BLOCKDRO CVXPOLY GNY07D LOGIC ODDDIV SAMER08J UFAST
BLOCKS CYCLERUN GNY07E LOGIC2 OFBEAT SAMER08K UJ
BLUEEQ2 CYLINDER GNY07F LONER OFFSIDE SAMTWARR UMNOZAK
BLUEEQ3 CZ_PROB1 GNY07G LONGCS OFORTUNE SBACT UNLOCK
BMJ DAGCNT GNY07H LOSTCT OILCOMP SBANK UNTITLE1
BNWNIM DAGCNT2 GNY07I LPERMUT OKRET SBETS UNTITLED
BNYINT DANCE GNYR09F LPRIME OLOLO SBSTR1 UPSUB
BOBALLS DANGER GOALFR LPRISON ONEZERO SC1 VBOSS
BOBALLS2 DCD GOLDG LQDCANDY ONP SCALE VCIRCLES
BOCOMP DCEPC206 GONDOR LQDNUMS OPCPIZZA SCALES VERODOOM
BOI7ESC DCEPC207 GONESORT LSORT OPTM SCANNER VFMUL
BOI7SEQ DCEPC504 GORELIAN LSQF OPTSUB SCAVHUNT VGCD
BOI7SOU DCOUNT GOSSIPER LUBEN ORDERS SCITIES VHELSING
BOKO DEADFR GPA1 LUCKYNUM ORDERSET SCPC11A VHUFFM
BOLESSON DECORATE GPINTRI LWAR ORIGLIFE SCPC11B VIENTIAN
BOMARBLE DEFKIN GRAPHGAM M00PAIR OROSNAKE SCRAPER VILLAGES
BOMB DEJAVU GRC M3TILE ORZ SCROLL VLATTICE
BOMB2 DELCOMM GREED MA1 OSPROB1 SCUBADIV VMILI
BOMBER DELCOMM2 GREEDULM MAFBOI08 OTOCI SCYPHER VOCV
BONFIRE DEPEND GREMLINS MAGIC4 PA06ANT SDGAME VOL
BOOK DEPOSIT GRIDCOIN MAIN111 PAAAARTY SDGAME2 VONNY
BOOKCASE DESERT GRIDPNTS MAIN112 PAGAIN SEGMENTS VORONOI
BOOKS1 DETECT GROCERY MAIN113 PAINTBLC SEGTREE VPALIN
BOOLE DETER2 GS MAIN12A PAINTBLK SEGVIS VPARTY
BOPERISH DETER3 GSS1 MAIN12B PAINTTMP SELTEAM VUDBOL7
BORW DFLOOR GSS2 MAIN72 PAINTWAL SEQ WA
BOTTOM DICE1 GSS3 MAIN73 PAIRGRPH SEQ1 WACHOVIA
BOWLING1 DICT GSS4 MAIN74 PAIRINT SEQ2 WAGE
BOXES DICTSUB GSS5 MAIN75 PAIRSORT SEQ5 WALL
BOYSCOUT DIFFDIAG GSS6 MAIN8_C PAIRSUM SEQ6 WAR
BPORT DIG GSS7 MAIN8_D PALACE SEQ7 WARE
BPRED DIGNUM GUANGGUN MAIN8_E PALDR SEQFUN WATER
BRAILLE DINGRP GUARD MAJMUN PALIM SEQN WEIGHT
BRCKGAME DINONUM GUERNICA MAJOR PALIN SEQPAR WEIRDFN
BRCKTS DINOSM GUESSING MAJSTOR PALNUM SEQPAR2 WIDGET
BRCKTS2 DIRVS GUESSLNK MAKETREE PALSEC SEQUENCE WIJGT
BREAK DISJPATH GUESSTHE MAP PANCAKES SEQUOIA WILD
BRI DISQUERY HAALPHA MARBLES PANIC SERIALN WILLITST
BRICKS DIST HABLU MARIO2 PARADOX SERVERS WINDMILL
BRIDGE DISTANCE HACKERS MARIOGAM PARITY SERVICE WINDOW1
BRIDGES2 DISUBSTR HACKING MARKUP PARKET1 SERVICEH WINGOLD
BRII DIV HACKRNDM MARTIAN PARKINGL SETCOV WINSTRAT
BRODOVI DIV15 HALLOW MATCH PARSUMS SETNJA WIRELESS
BROKEN DIV2 HAMSTER1 MATCHING PARTIT SETSTACK WLOO0707
BROUL DIVCON HAMSTER2 MATGAME PARTPAL SFLIP WMELON
BROW DIVISER9 HAN01 MATH1 PARTPALI SHAMAN WONKA1
BRPAR DIVREL HANDS MATHS PARTPLNE SHELL WORD
BRTREE DIVSUM2 HANGLET MATRICA PARTSUM SHLIGHTS WORDCNT
BSHEEP DNA HANGOVER MATRIOSH PARTY SHMOOGLE WORDEQ
BSMATH1 DNALAB HANOI07 MATRIX PARTY2 SHOP WORDRING
BSMATH2 DNPALIN HANOICAL MATRIX2 PATHEADS SHOP2 WORDS
BST DOCTOR HAPPYTL MATSUM PATULJCI SHOPPERS WORDS1
BTCODE_A DOJO HARDP MAWORK PAYING SHORTCIR WORKB
BTCODE_B DOMINO1 HARDQ MAXIMUS PB SHORTCUT WORMS
BTCODE_C DOMINO2 HAREFOX MAXISET PBCGAME SHPATH WPC4F
BTCODE_D DOMINOES HAROWS MAXLN PBOARD SHUFFLE1 WPUZZLES
BTCODE_E DOORSPEN HASHIT MAXMATCH PC8H SHUFFLEN WSCIPHER
BTCODE_F DOTAA HASTOCK MAXSUB PDECODE SICRANO WTK
BTCODE_G DOUBLE HATEAM MAXSUMSQ PEBBLE SIGNGAME XIXO
BTCODE_H DOUBLEVI HAYBALE MAYA PEBBMOV SILVER XMAX
BTCODE_K DOUTI HC MAYACAL PERFECTR SKIING XOINC
BTOUR DP HCHAINS MAZE PERFUME SKISLOPE XORROUND
BUGLIFE DPEQN HEADQRT MB1 PERIOD SKIVALL XXXXXXXX
BUILD DPMAX HEADSHOT MBALL PERIODNI SKY XYYHHTT
BUILDING DQUERY HEAPULM MBEEWALK PERMCODE SKYLINE YALOP
BUILDTOW DRACULA HELP MBINGO PERMJUMP SLEEP YAPP
BULK DRAGON HELPBOB MBIPALIN PERMPATT SLIKAR YELBRICK
BULLETIN DRAGON2 HELPR2D2 MBLAST PERMSG SLINK YKH
BUNDLE DRAGONCU HEPNUM MBR PERMUT1 SNAKYNUM YODA
BUREAU DRAWM HERDING MBRACKET PERMUT2 SNIPE YODANESS
BUS DRAWQUAD HERE MCARDS PERMUT3 SNOOKER YOUTUBE
BUSYMAN DRINK HEXAGON MCHAOS PFDEP SNOWGAME ZEROCNT
BUZZW DRIVE HEXBOARD MCIRGAME PFOLD SOCIALNE ZIGZAG
BWHEELER DROOT HEXTILE MCLB PGCD SOCOLA ZOO
BWORK DSUBSEQ HHAND MCLONUM PHDISP SOLDIER ZSEQ
BYECAKES DSUBTREE HHEMANT MCOCIR PHIDIAS SOLDIERS ZSUM
BYTESE1 DTT HIDTRI MCOINS PHONELIN SOLIT ZUMA
BYTESE2 DTWW HIGH MCONSTR PHONELST SONG
BYTESH1 DYNALCA HIGHWAY MCONVERT PHONMESS SOPARADE
BYTESM1 DYZIO HIGHWAY1 MCQUERY PHONY SORTBIT
BYTESM2 EARTHQK HIGHWAYS MDIGITS PHRASES SORTING
C1LJUTNJ EASYMATH HIKE MDIGITS1 PHU09H SPACESET

      TODO list of classical problems:
GCD3

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