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  1. //
  2. //  main.cpp
  3. //  Iterating over a Vector
  4. //
  5. //  Created by Himanshu on 11/12/22.
  6. //
  7.  
  8. #include <iostream>
  9. #include <vector>
  10. using namespace std;
  11.  
  12. void printVectorUsingIndex (vector<int> v) {
  13.     int n = (int) v.size();
  14.  
  15.     for (int i=0; i<n; i++) {
  16.         cout<<v[i]<<" ";
  17.     }
  18.  
  19.     cout<<endl;
  20. }
  21.  
  22. void printVectorUsingIterator (vector<int> v) {
  23.     vector<int>::iterator it;
  24.  
  25.     for (it = v.begin(); it != v.end(); it++) {
  26.         cout<<(*it)<<" ";
  27.     }
  28.  
  29.     cout<<endl;
  30. }
  31.  
  32. void printVector (vector<int> v) {
  33.  
  34.     for (auto val : v) {
  35.         cout<<val<<" ";
  36.     }
  37.  
  38.     cout<<endl;
  39. }
  40.  
  41. int main () {
  42.  
  43.     // Initialisation
  44.     vector<int> vec({10, 15, 25, 40, 50});
  45.  
  46.     cout<<"Iterating over vector using index:"<<endl;
  47.     printVectorUsingIndex(vec);
  48.  
  49.     cout<<"Iterating over vector using iterator:"<<endl;
  50.     printVectorUsingIterator(vec);
  51.  
  52.     cout<<"Iterating over vector using auto:"<<endl;
  53.     printVector(vec);
  54.  
  55.     return 0;
  56. }
Success #stdin #stdout 0.01s 5428KB
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stdin
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Standard input is empty
stdout
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Iterating over vector using index:
10 15 25 40 50 
Iterating over vector using iterator:
10 15 25 40 50 
Iterating over vector using auto:
10 15 25 40 50
https://ideone.com/Cn9MVq
language:
C++ 4.3.2 (gcc-4.3.2)
created:
2 years ago
visibility:
secret

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