zoo.cpp: In function 'void build(int, int, int)': zoo.cpp:28: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zoo.cpp:28: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zoo.cpp:35: warning: comparison between signed and unsigned integer expressions zoo.cpp:35: warning: comparison between signed and unsigned integer expressions zoo.cpp:38: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zoo.cpp:38: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zoo.cpp:43: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zoo.cpp:43: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zoo.cpp:46: warning: comparison between signed and unsigned integer expressions zoo.cpp:48: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zoo.cpp:48: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zoo.cpp:51: warning: comparison between signed and unsigned integer expressions zoo.cpp:53: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x zoo.cpp:53: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x