Valid Ip Addresses

Given a string containing only digits, restore it by returning all possible valid IP address combinations.

A valid IP address must be in the form of A.B.C.D, where A,B,C and D are numbers from 0-255. The numbers cannot be 0 prefixed unless they are 0.

Example:

Given “25525511135”,

return [“255.255.11.135”, “255.255.111.35”]. (Make sure the returned strings are sorted in order)

NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a doubt? Checkout Sample Codes for more details.
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