Question

How to initialize a vector with array in c++

Answer 1

#include <iostream>
#include <vector>
 
int main ()
{
    int arr[] = {5, 7, 8, 1, 4};
    int size = sizeof(arr)/sizeof(arr[0]);
    std::vector<int> v;

    v.assign(arr, arr + size);

    for (auto const &n: v) {
        std::cout << n << " ";
    }
  
    return 0;
}
  
  
  
  
/*
run:

5 7 8 1 4 
   
*/

 

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