Assuming the file "File.txt" exists, where must it be located for this code snippet to work without error? ifstream in_file; in_file.open("File.txt"); In the same folder (directory) as the source code (.cpp) In system RAM All of these On the hard drive or flash drive Consider the following code snippet: ofstream out_file; out_file.open("Scores.txt"); out_file > s; ostringstream strm; strm.stron); str s; istringstream strm; strm.str(s); strm >> n; 0 ostringstream strm; strm.str(s); strm