Write a program to synchronize data sets between data centers using as few copies as possible.
Example 1:
----------
Input:

4
1 3 4
1 2 3
1 3
1 4 2

One Possible Correct Output:

2 2 1
4 1 2
2 2 3
4 4 3
3 1 4
done

Question

Write a program to synchronize data sets between data centers using as few copies as possible. 
Example 1:
----------
Input:
 
4
1 3 4
1 2 3
1 3
1 4 2
 
One Possible Correct Output:
 
2 2 1
4 1 2
2 2 3
4 4 3
3 1 4
done

anonymous · Accepted Answer

Input:
line1: number of data sets
line2,3,4... = the actual data sets

Output:
optimal copy strategy: 
each line must contain one copy instruction

Eg: 4 1 2 means move number 4 from data set 1 to data set 2

carmel9186 · Answer

Could you provide more details on the actual question? hard to answer without more information ...

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