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create a copy of a vector c++

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Uptight Unicorn answered on February 14, 2022 Popularity 9/10 Helpfulness 1/10

answer create a copy of a vector c++

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create a copy of a vector c++

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template<typename T>
std::vector<T> create_copy(std::vector<T> const &vec)
{
    std::vector<T> v(vec);
    return v;
}

Popularity 9/10 Helpfulness 1/10 Language cpp

Source: www.techiedelight.com

Tags: c++ copy vector

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Contributed on Jun 26 2022

Uptight Unicorn

0 Answers Avg Quality 2/10

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copy constructor for vector c++

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// C++ code to demonstrate copy of vector
// by constructor method.
#include<bits/stdc++.h>
using namespace std;
  
int main()
{
    // Initializing vector with values
    vector<int> vect1{1, 2, 3, 4};
  
    // Declaring new vector and copying
    // element of old vector
    // constructor method, Deep copy
    vector<int> vect2(vect1);
  
    cout << "Old vector elements are : ";
    for (int i=0; i<vect1.size(); i++)
        cout << vect1[i] << " ";
    cout << endl;
  
    cout << "New vector elements are : ";
    for (int i=0; i<vect2.size(); i++)
        cout << vect2[i] << " ";
    cout<< endl;
  
    // Changing value of vector to show that a new
    // copy is created.
    vect1[0] = 2;
  
    cout << "The first element of old vector is :";
    cout << vect1[0] << endl;
    cout << "The first element of new vector is :";
    cout << vect2[0] <<endl;
  
    return 0;
}

Popularity 10/10 Helpfulness 4/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Apr 07 2022

Creepy Caribou

0 Answers Avg Quality 2/10

copy vector c++

Comment

// C++ code to demonstrate copy of vector
// by iterative method.
#include<iostream>
#include<vector>
using namespace std;
  
int main()
{
    // Initializing vector with values
    vector<int> vect1{1, 2, 3, 4};
  
    // Declaring new vector
    vector<int> vect2;
  
    // Using assignment operator to copy one
    // vector to other
    vect2 = vect1;
  
    cout << "Old vector elements are : ";
    for (int i=0; i<vect1.size(); i++)
        cout << vect1[i] << " ";
    cout << endl;
  
    cout << "New vector elements are : ";
    for (int i=0; i<vect2.size(); i++)
        cout << vect2[i] << " ";
    cout<< endl;
  
    // Changing value of vector to show that a new
    // copy is created.
    vect1[0] = 2;
  
    cout << "The first element of old vector is :";
    cout << vect1[0] << endl;
    cout << "The first element of new vector is :";
    cout << vect2[0] <<endl;
  
    return 0;
}

Popularity 10/10 Helpfulness 2/10 Language cpp

Source: www.geeksforgeeks.org

Tags: c++

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Contributed on Mar 29 2022

M3as

0 Answers Avg Quality 2/10

c++ copy vector

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// copy by assignment
vec_dst = vec_src;

Popularity 10/10 Helpfulness 1/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Feb 14 2022

Jittery Jay

0 Answers Avg Quality 2/10

create a copy of a vector c++

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