Compilare: user.cpp: In function ‘int main()’: user.cpp:100:27: warning: ISO C++ forbids converting a string constant to ‘char*’ [-Wwrite-strings] ofbuffer g("flori.out"); ^ user.cpp: In member function ‘void InputReader::adv()’: user.cpp:18:50: 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); ^