C++ STL vector, begin() and end() code example

 

Compiler: Visual C++ Express Edition 2005

Compiled on Platform: Windows XP Pro SP2

Header file: Standard

Additional library: none/default

Additional project setting: Set project to be compiled as C++

Project -> your_project_name Properties -> Configuration Properties -> C/C++ -> Advanced -> Compiled As: Compiled as C++ Code (/TP)

Other info: none

To do: Using the C++ begin() to return a random-access iterator to the first element in the container and end() to return a random-access iterator that points just beyond the end of the vector in C++ programming

To show: How to use the C++ begin() to return a random-access iterator to the first element in the container and end() to return a random-access iterator that points just beyond the end of the vector in C++ programming

 

// C++ STL vector, begin(), end()

#include <vector>

#include <iostream>

using namespace std;

 

int main(void)

{

// vector container

vector <int> vec1;

// vector iterator

vector <int>::iterator vec1_Iter;

 

// push data into vector container

vec1.push_back(9);

vec1.push_back(2);

vec1.push_back(7);

vec1.push_back(3);

 

// print the  data

cout<<"Operation: vec1.begin() and vec1.end();"<<endl;

cout<<"vec1 vector data: ";

for(vec1_Iter = vec1.begin(); vec1_Iter != vec1.end(); vec1_Iter++)

cout<<*vec1_Iter<<' ';

cout<<endl;

return 0;

}

 

Output examples:

 

Operation: vec1.begin() and vec1.end();

vec1 vector data: 9 2 7 3

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