cartonase.cpp:8: warning: 'typedef' was ignored in this declaration cartonase.cpp: In function 'int main()': cartonase.cpp:30: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x cartonase.cpp:30: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x cartonase.cpp:36: warning: unused variable 'ok' cartonase.cpp:19: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result cartonase.cpp:20: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result cartonase.cpp:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cartonase.cpp:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cartonase.cpp:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result