<ul><li>Given a string containing only digits, restore it by returning all possible valid IP address combinations.</li><li>The solution for this problem can be done using an iterative/brute force approach or a recursive/DFS approach.</li><li>The iterative approach involves checking all possible combinations of parts that form a valid IP address.</li><li>The recursive approach involves constructing the IP address by considering valid parts and backtracking when necessary.</li></ul>

Restore IP Addresses

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