Language does not matter

Solve at least two problems in Unknown Language Round

naagi8, first achieved on Feb. 21, 2011

Gassa8, first achieved on Feb. 21, 2011

PavelKunyavskiy7, first achieved on Feb. 21, 2011

ashi0097, first achieved on Feb. 21, 2011

uwi7, first achieved on Feb. 21, 2011

K_operafan6, first achieved on Feb. 21, 2011

halyavin6, first achieved on March 20, 2011

osa_k6, first achieved on Feb. 21, 2011

knightL6, first achieved on Nov. 20, 2011

shevchen5, first achieved on March 20, 2011

atetubou5, first achieved on March 20, 2011

nab5, first achieved on Feb. 22, 2012

MuratKhayrulin5, first achieved on July 30, 2011

DuX5, first achieved on Nov. 20, 2011

afix5, first achieved on July 30, 2011

dalex5, first achieved on Feb. 21, 2011

yeputons5, first achieved on Feb. 21, 2011

logicmachine5, first achieved on Feb. 21, 2011

hirosegolf5, first achieved on March 20, 2011

Icemore5, first achieved on Feb. 21, 2011