Lider, Valentin Viktorovich
1st Prize, Problem 058. TT, 1975-1976
#2
11 + 9
6490 | yacpdb | 2009 |
56 | The Problemist | 2014 |
133 | The Problemist Supplement | 2017 |
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).