charles chen

@charles1992

China

Joined Jun 2008

World Rank: #285 (72.3 points)

Activity over the last year

Effectiveness

 Problems solved
222
 Solutions submitted
986

Problems

List of solved classical problems:

ACODE BOYSCOUT DISTANCE IM MMCUT PT07A STABLEMP
ACS BPRED DISUBSTR INCR MOBILE PT07J STEAD
ACT BRCKGAME DOMINO2 INUMBER MOBILE2 QTREE SUBS
ADDREV BRCKTS DOMINOES INVENT MONODIG QUEST4 SUBST1
AE00 BRICKS DRAGON IVAN MUSKET QUEST5 SUDOKU
AE2A BTOUR DRAGON2 JARA NECKLACE RAILROAD SUM1SEQ
AE2B BWHEELER EDIT2 JRIDE NICEDAY RATTERN SUMFOUR
AE3A BYTESM1 EMPODIA JULKA NQUEEN RECTANGL SUMSUMS
AE4B CABLETV EMPTY KPARCH NUMQDW RECTNG1 SUPPER
AE5B1 CALLS EN KPGAME ONEZERO RELATS1 SWAPS
AE5B2 CASHIER EPURSE KPMATRIX OPTM RENT TAN1
AGGRCOW CCCCUBE EXPAND LAZYPROG ORDERS REPEATS TAXI
AIBOHP CHAIN EXPEDI LIAR PANIC ROADNET TFSETS
ALIENS CHASE EXPLOSN LIS2 PARTIT ROBOT THREECOL
ANGELS CHASE1 EXPR1 LISA PARTPALI ROCK TOMJERRY
APRIME CHICAGO FIRM LITELANG PAYING ROCKETS TOUR
ARCTAN CHRIS FLBRKLIN LOGIC PB RPS TOURS
AROUND CNHARD FOOL LONER PERMUT1 SAM TRANS
ASSIGN COINS FSHEEP LOSTCT PHONY SCALES TRANSL
BAC CONDUIT FTOUR2 LPERMUT PHRASES SCITIES TRANSP
BACKUP CONNECT GAME LSORT PICAD SCUBADIV TRANSP2
BENEFACT CONTPACK GIRLSNBS MA1 PLHOP SEGMENTS TREE
BIA COURIER GREED MAP PLONK SEQ TREE1
BIGSEQ COVER2 GSS1 MATH1 POLY1 SEQ1 TWORK
BILLIARD CRSCNTRY GSS2 MATRIX2 POLYGAME SEQPAR TWOSQRS
BIO1 CSTREET GSS3 MATSUM POLYSSQ SERVICE VOCV
BIRTHDAY CUTOUT GSS5 MAWORK POSTERS SHAMAN WATER
BISHOPS CUTSQRS HACKERS MAZE POTHOLE SOPARADE WMELON
BITMAP DAGCNT HIGH MDST PRIMIT SORTBIT WORDEQ
BLOCKS DANCE HIKE MENU PRMLX SQDANCE WORDS
BLUEEQ2 DECORATE HKNAP MIXTURES PROFIT SQRBR
BOOK DETER3 HOLIDAY1 MLAND PSTRING SQRROOT

TODO list of classical problems:

BARB GAME2 HELPR2D2 MARIOGAM MUSIC PT07B SKIVALL
COVER GSS6 LANDSCAP MATCHING NETADMIN PT07F TEST
EXCHANGE HANOI07 LCS2 MSTS PRO REPAIR1 ZEBRA