C++ vector insert

C++ vector insert
Techiio-author
Written by Sagar RabidasJanuary 28, 2022
6 min read
C++
0 VIEWS 1 LIKES 0 DISLIKES SHARE
1 LIKES 0 DISLIKES 0 VIEWS SHARE
Techiio-author
Sagar Rabidas

Software Developer

Let's start the discussion on C++ vector insert.

C++ vector insert

The C++ vector insert() is one of the features used to insert the factors into the vector-based containers, and it also prolonged through putting the brand new elements pointed at a few targeted positions anyplace we need to insert the factors also the field size is elevated mechanically even as putting the new factors in the container. So it also mechanically reallocates the storage space areas based totally upon the actual vector capability, so the vector additionally relocates the elements by way of the usage of the positions it will cope with each the old and contemporary positions once in a while, it also throws the inadequate mistakes it's going to arise due to the box sizes memory area.

Syntax:

In c++ every object, variables, keywords, and feature have their syntax and attributes for declaring inside the programming codes. Based totally on the necessities, we can make use of the unique key phrases, variables, information sorts, and capabilities from the programming libraries. The vector insert() is one of the capabilities from the vector package deal library, and its miles are used to calculate the insert of the person entered into the vector boxes.

#include<iostream>
#include<vector>
data type main()
{
std:: vector<data type> object name size declaration;
objectname.insert(parameters);
---some c++ code logics---
}

Examples of C++ vector insert

Below are the different examples to insert vector insert in C++

Example #1

Code:
#include <vector>
#include <iostream>
using namespace std;
int main(void)
{
vector <int> a;
vector <int>::iterator i;
a.push_back(19);
a.push_back(106);
a.push_back(72);
a.push_back(53);
cout<<"Welcome To My Domain:";
for(i = a.begin(); i != a.end(); i++)
cout<<" "<<*i;
cout<<endl;
cout<<"\nThe vector elements are: a.insert(a.begin()+1, 106)"<<endl;
a.insert(a.begin()+1, 106);
cout<<"Have a Nice day user teh vectores are: ";
for(i = a.begin(); i != a.end(); i++)
cout<<" "<<*i;
cout<<endl;
cout<<"\nThe vector elements are: a.insert(a.begin()+2, 54, 53)"<<endl;
a.insert(a.begin()+2, 54, 53);
cout<<"Have a Nice day user teh vectores are: ";
for(i = a.begin(); i != a.end(); i++)
cout<<" "<<*i;
cout<<endl;
cout<<"\nThe vector elements are: a.insert(a.begin()+1, a.begin()+2, a.begin()+3)"<<endl;
a.insert(a.begin()+1, a.begin()+2, a.begin()+3);
cout<<"Have a Nice day user teh vectores are: ";
for(i = a.begin(); i != a.end(); i++)
cout<<" "<<*i;
cout<<endl;
return 0;
}

Example #2

Code:

#include <iostream>
#include <cmath>
#include<vector>
using namespace std;
int main()
{
float m;
m = -67;
cout<<"abs("<<m<<"): "<<abs(m)<<endl;
m = -676.5645;
cout<<"abs("<<m<<"): "<<abs(m)<<endl;
m = 7665.2456;
cout<<"abs("<<m<<"): "<<abs(m)<<endl;
m = -.67832;
cout<<"abs("<<m<<"): "<<abs(m)<<endl;
m = -.87892;
cout<<"abs("<<m<<"): "<<abs(m)<<endl;
m = -6767.25245;
cout<<"abs("<<m<<"): "<<abs(m)<<endl;
m = -.6527;
cout<<"abs("<<m<<"): "<<abs(m)<<endl;
vector<int> i = { 13, 23, 32, 43 };
vector<int> j;
j.insert(j.begin(), i.begin(), i.end());
cout << "Welcome Users the vector elements are ";
for (auto k = j.begin(); k != j.end(); ++k)
cout << *k << "Have a Nice Day";
return 0;
}

Example #3

Code:

#include <iostream>
#include <vector>
void demo(const std::vector<int>& a)
{
for (auto i: a) {
std::cout << ' ' << i;
}
std::cout << '\n';
}
int main ()
{
std::vector<int> a(4,113);
demo(a);
auto b = a.begin();
b = a.insert(b, 200);
demo(a);
a.insert(b,5,273);
demo(a);
b = a.begin();
std::vector<int> j(6,366);
a.insert(b+2, j.begin(), j.end());
demo(a);
int k[] = { 432,543,654 };
a.insert(a.begin(), k, k+4);
demo(a);
}

C
C plus plus
vector insert
0 VIEWS 1 LIKES 0 DISLIKES SHARE
1 LIKES 0 DISLIKES 0 VIEWS SHARE
Was this blog helpful?
techiio-price-plantechiio-price-plantechiio-price-plantechiio-price-plantechiio-price-plan
You must be Logged in to comment
Code Block
Techiio-logo

Techiio is on the journey to build an ocean of technical knowledge, scouring the emerging stars in process and proffering them to the corporate world.

Follow us on:

Subscribe to get latest updates

You can unsubscribe anytime from getting updates from us
Developed and maintained by Wikiance
Developed and maintained by Wikiance