Answers for "vector c++ front"

c++ vector.back

#include <iostream>
#include <vector>

int main()
{
  std::vector<int> myvector;
  
  //add 2 to the back
  myvector.push_back(2);
  
  std::cout << myvector.back() << std::endl; //this will print 2
  
  myvector.push_back(46);
  std::cout << myvector.back() << std::endl; //prints 46
  
  return 0;
  
}

/*Output
2
46
*/

.front() c++

// queue::front
#include <iostream>       // std::cout
#include <queue>          // std::queue

int main ()
{
  std::queue<int> myqueue;

  myqueue.push(77);
  myqueue.push(16);
	cout << myqueue.front();
  myqueue.front() -= myqueue.back();    // 77-16=61

  std::cout << "myqueue.front() is now " << myqueue.front() << 'n';

  return 0;
}