I am trying to make arrays inside a structure.. the structure looks like,

struct mystruct{

  int val;
  int num;
  string state[];
  mystruct *next[];


The next pointer array works fine but state array gives segmentation fault.

I have an array of this structure .

mystruct Graph [];

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Arrays must have a size. If your goal is an array with unknown or variable size, I'd recommend an std::vector:

#include <vector>

struct mystruct {
    int val;
    int num;
    std::vector<std::string> state;
    std::vector<mystruct*> next;

<already answered, deleted>

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