urgenta.cpp: In function 'int main()': urgenta.cpp:60: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x urgenta.cpp:60: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x urgenta.cpp:55: warning: unused variable 'j' urgenta.cpp:52: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result urgenta.cpp:53: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result urgenta.cpp:56: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result urgenta.cpp:59: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result