CareerCup Given a binary matrix of N X N of integers , you need to return only unique rows of binary

Given a binary matrix of N X N of integers , you need to return only unique rows of binary arrays 

eg: 
0 1 0 0 1 
1 0 1 1 0 
0 1 0 0 1 
1 1 1 0 0 
ans: 
0 1 0 0 1 
1 0 1 1 0 
1 1 1 0 0

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TRIE data structure can work fine for this problem!!!