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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8.     vector <int> vec(10);
  9.     for(int i=0; i<10; i++){
  10.         vec[i]=i+1;
  11.         cout << vec[i] << endl;
  12.     }
  13.     cout << "the length of this vector is " << vec.size() << endl;
  14.     vec.resize(20);
  15.     for(int i=0; i<20; i++){
  16.         vec[i]=i+1;
  17.         cout << vec[i] << endl;
  18.     }
  19.     cout << "the length of this vector is " << vec.size() << endl;
  20. }
Success #stdin #stdout 0s 3428KB
comments (?)
stdin 
Standard input is empty
stdout 
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the length of this vector is 10
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the length of this vector is 20
https://ideone.com/WFjivX
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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