All possible IP Address combinations
Given a string containing only digits, restore it by returning all possible valid IP address combinations.
For example:
Given
return
For example:
Given
"25525511135"
,return
["255.255.11.135", "255.255.111.35"]
. (Order does not matter)
-Permutation of the numbers.
ReplyDelete-For each permutation, check inet_aton(num, *inp) is successful.
Bhaskar, you cannot permutate the numbers. Look at the example - There were no permutations.
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