C++ STL  deque, assign() program example

 

Compiler: Visual C++ Express Edition 2005

Compiled on Platform: Windows XP Pro SP2

Header file: Standard

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:

To do: Using the C++ assign() to erase elements from a deque and copies a new set of elements to the target deque in C++ programming

To show: How to use the deque, assign() to erase elements from a deque and copies a new set of elements to the target deque in C++ programming

 

// C++ STL deque, assign

#include <deque>

#include <iostream>

using namespace std;

 

int main(void)

{

// deque containers

deque <int> con1, con2;

// deque iterator

deque <int>::const_iterator cIter;

 

// push/insert data

con1.push_back(10);

con1.push_back(9);

con1.push_back(13);

con2.push_back(41);

con2.push_back(25);

con2.push_back(36);

 

// print the data and do some operations

cout<<"con1 deque: ";

for (cIter = con1.begin(); cIter != con1.end(); cIter++)

cout<<" "<<*cIter;

cout<<endl;

cout<<"\nOperation: con1.assign(++con2.begin(), con2.end())"<<endl;

con1.assign(++con2.begin(), con2.end());

cout<<"con1 deque: ";

for (cIter = con1.begin(); cIter != con1.end(); cIter++)

cout<<" "<<*cIter;

cout<<endl;

cout<<"\nOperation: con1.assign(7, 4)"<<endl;

con1.assign(7, 4);

cout<<"con1 deque: ";

for (cIter = con1.begin(); cIter != con1.end(); cIter++)

cout<<" "<<*cIter;

cout<<endl;

return 0;

}

 

Output examples:

 

con1 deque: 10 9 13

Operation: con1.assign(++con2.begin(), con2.end())

con1 deque: 25 36

Operation: con1.assign(7, 4)

con1 deque: 4 4 4 4 4 4 4

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