Compilare: user.cpp: In function ‘int main()’: user.cpp:116:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i <= maskM; ++i) ^ user.cpp: In member function ‘char Scanner::getChar()’: user.cpp:20:50: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, MAX_SIZE, 1, inputFile); ^