ploaia.cpp:37: error: ISO C++ forbids initialization of member 'w' ploaia.cpp:37: error: making 'w' static ploaia.cpp:37: error: ISO C++ forbids in-class initialization of non-const static member 'w' ploaia.cpp:39: error: ISO C++ forbids initialization of member 'c' ploaia.cpp:39: error: making 'c' static ploaia.cpp:39: error: ISO C++ forbids in-class initialization of non-const static member 'c' ploaia.cpp:41: error: ISO C++ forbids initialization of member 'addv' ploaia.cpp:41: error: making 'addv' static ploaia.cpp:41: error: ISO C++ forbids in-class initialization of non-const static member 'addv' ploaia.cpp: In function 'int32_t main()': ploaia.cpp:245: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ploaia.cpp:246: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result