If I want to implement trie using two dimensional array, how should I decide the size of array.
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If I want to implement trie using two dimensional array, how should I decide the size of array.
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In worst case the trie will have number of nodes equal to the sum of lengths of the strings from the input, let's call that s. In worst case, each node will have number of edges equal to the size of the alphabet, let's call that a. So, it should be s × a.
Thanks SaYami, I got your point.