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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	// your code goes here
  7. 	vector<int> v(3);
  8.  
  9. 	v[0] = 5;
  10. 	v[1] = 10;
  11. 	v[2] = 17;
  12. 	v.push_back(19);
  13.  
  14. 	cout << v.front() << endl;
  15. 	cout << v.back() << endl;
  16. 	cout << v.at(2) << endl;
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 4404KB
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stdin
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Standard input is empty
stdout
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5
19
17
https://ideone.com/hg1j8O
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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