Compilare: user.cpp: In function ‘int main()’: user.cpp:91:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("padurari.in", "r", stdin); ^ user.cpp:92:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("padurari.out", "w", stdout); ^ user.cpp: In member function ‘void Reader::NextPosition()’: user.cpp:55:43: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, 1, size, stream); ^