Problem 1097. USC Fall 2012 ACM Question A : Read Input File

This Challenge is to read the Question A input text file of the USC ACM Fall 2012 Contest.

The text format is: Number of sets,RowsSet1 ColsSet1,Array1, Vector1, RowsSet2 ColsSet2, Array2, Vector2

eg:Two data sets of arrays 3x3 and 2x4

2
3 3
000
111
110
010
2 4
1010
1100
0001

The USC input file has 17 data sets.

Input: [ url_filename, k], k= array data set to return

Output: Selected data set Array

Example: [ http://contest.usc.edu/index.php/Fall12/Home?action=download&upname=codes.in.txt, 1]

Output: [0 0 0; 1 1 1; 1 1 0]

How will the Pros read and process the text file?

Follow up Challenge will be solving the actual ACM question.