Compilare: main.cpp: In constructor 'Event::Event()': main.cpp:76:30: warning: suggest parentheses around assignment used as truth value [-Wparentheses] this->what = this->inorout = false; ~~~~~~~~~~~~~~^~~~~~~ main.cpp: In member function 'void InputReader::nxt()': main.cpp:25:45: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, sizeof(char), BUFF_SIZE, fin); ^