apm.cpp: In function 'int main()': apm.cpp:35: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x apm.cpp:35: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x apm.cpp:36: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x apm.cpp:36: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x apm.cpp:28: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result