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  • \$\begingroup\$ Wow, +1! And I hoped my roman numerals solution will be the best... :( ;-) \$\endgroup\$ Commented Jan 14, 2014 at 15:35
  • \$\begingroup\$ The variants below can be made shorter: cat(a<-T+T,T-T,T/T,a^a,sep="") (30 chars), paste0(aT+T,T-T,T/T,a^a) (26 chars) \$\endgroup\$ Commented Jan 15, 2014 at 10:16
  • \$\begingroup\$ @Tomas, the function paste0 is not allowed, as it contains the symbol 0. Your solution makes 30 characters if using cat. \$\endgroup\$ Commented Jan 21, 2014 at 10:47
  • \$\begingroup\$ create file 2014 in current directory and write list.files() - 12 characters \$\endgroup\$ Commented Jan 31, 2014 at 17:00
  • \$\begingroup\$ @Zbynek, I expect your solution not to be valid in the general scope of codegolf rules. \$\endgroup\$ Commented Feb 1, 2014 at 9:19