Compilare: main.cpp: In member function 'void AINT::update(int, int, int, int, int, int)': main.cpp:42:14: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] if(a <= st & dr <= b) { ~~^~~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:128:38: 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); ^