Compilare: main.cpp: In member function 'char InParser::read_ch()': main.cpp:14:29: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, 4096, fin); ^ main.cpp: In function 'int main()': main.cpp:86:25: warning: 'dr' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<dr-k+1<<' '<<dr<<' '<<eMax; ^~~