Question

How to copy vector in C++

Answer 1

#include <iostream>
#include <vector>

void printVector(std::vector<int> const &v) {
    for (int i = 0; i < v.size(); i++) {
        std::cout << v.at(i) << ' ';
    }
}
 
int main() {
    std::vector<int> v { 1, 4, 8, 7, 0, 3 };
    
    std::vector<int> copyv(v.size());

    copy(v.begin(), v.end(), copyv.begin());
 
    printVector(copyv);
 
    return 0;
}
     
     
     
     
/*
run:
   
1 4 8 7 0 3 
      
*/

 

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