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  1. #include <vector>
  2. #include <iostream>
  3.  
  4. int main() {
  5.     std::vector<int> v = {1,2,3,4,5,6};
  6.     int& i = v[2]; //should point to 3
  7.     std::cout << i << '\n';
  8.     v.resize(5000);
  9.     v.push_back(7);
  10.     v.push_back(8);
  11.     v.push_back(9);
  12.     std::cout << i;
  13. }
Success #stdin #stdout 0s 3028KB
comments (?)
stdin 
Standard input is empty
stdout 
3
0
https://ideone.com/toQqnp
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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