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  1. #include<iostream>
  2. #include<vector>
  3. using namespace std;
  4.  
  5. vector<int>* method()
  6. {
  7. vector<int> v={1,2,3};
  8. vector<int> *p=&v;
  9. cout<<p->front()<<endl;
  10. return p;
  11. }
  12.  
  13. int main()
  14. {
  15. auto p=method();
  16. cout<<p->front()<<endl;
  17. return 0;
  18. }
Runtime error #stdin #stdout 0s 3412KB
stdin
Standard input is empty
stdout
1