jb.cpp: In function 'void SecondAndThirdPrecompute()': jb.cpp:113: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x jb.cpp: In function 'int main()': jb.cpp:200: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result jb.cpp:201: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result jb.cpp:203: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result jb.cpp:205: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result jb.cpp:207: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result