Compilare: main.cpp: In function 'void update(int, int)': main.cpp:41:10: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] poz=poz-poz&(poz^(poz-1)); ~~~^~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:116:26: 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); ^