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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. int main () {
  5.  
  6. std::vector<int> vec{1, 2};
  7. vec.resize(4);
  8.  
  9. std::cout << vec.size() << std::endl;
  10. for (auto& num : vec) {
  11. std::cout << num << std::endl;
  12. };
  13. return 0;
  14. }
Success #stdin #stdout 0.01s 5320KB
stdin
Standard input is empty
stdout
4
1
2
0
0