mxl.cpp: In function 'int main()': mxl.cpp:58: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x mxl.cpp:58: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x mxl.cpp:70: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x mxl.cpp:70: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x mxl.cpp:77: warning: comparison between signed and unsigned integer expressions mxl.cpp:85: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x mxl.cpp:85: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x