i am getting segmentation fault . This question is based on trie data structure.
input:-
1
3
abc
ab
abd
ab
Learning to debug things for yourself is an invaluable skill, but as a hint … “root” in main always stays as nullptr, and a call to search(…) will attempt to de-reference “root”, and de-referencing a null pointer (and attempting to make use of it) is undefined behaviour.
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