Compilare: user.cpp:1:0: warning: ignoring #pragma comment [-Wunknown-pragmas] #pragma comment(linker, "/stack:20000000") ^ user.cpp: In member function ‘char InParser::read_ch()’: user.cpp:17:38: 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); ^