What would be the algorithm of solving the above problem with the help of Dfs and similar approach?
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What would be the algorithm of solving the above problem with the help of Dfs and similar approach?
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Well, you could do binary search by d and run DFS to find if it is reachable with such d.
Could you explain your method bit more elaborately?
Please, specify the question. If you don't know binary search, google it.