labirint.cpp: In function 'void dfs(int, int)': labirint.cpp:14: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x labirint.cpp:14: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x labirint.cpp:20: warning: comparison between signed and unsigned integer expressions labirint.cpp:23: warning: comparison between signed and unsigned integer expressions