sant.cpp: In function 'int main()': sant.cpp:35: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x sant.cpp:35: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x sant.cpp:44: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x sant.cpp:44: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x sant.cpp:18: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result sant.cpp:18: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result