Ray Song
@shingray
China, Shanghai
Institution: No. 2 High School Attached to East China Normal University
History of submissions(plaintext version)
Problems
List of solved classical problems:
TODO list of classical problems:
ADDREV | DESERT | HIGH | PAINTBLC | PT07J | SUBST1 | |
BOXES | EXPRESS | HISTOGRA | PICAD | PT07Y | SUM1SEQ | |
COVER | FASHION | MOBILE2 | PRETILE | PT07Z | WORDEQ | |
CRSCNTRY | FLWRS | MULTQ3 | PRIME1 | SEGSQRSS | WORDS1 |