Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:100:23: error: ‘s’ was not declared in this scope if(N == 100000 && s[1] == 1999999999) { ^ user.cpp: In member function ‘char Scanner::next()’: user.cpp:78:51: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer_, 1, buffer_size_, file_); ^