"list in cpp" Code Answer's

cpp std list example

By Clever Cowfish on Jan 11, 2021

#include <algorithm>
#include <iostream>
#include <list>
 
int main()
{
    // Create a list containing integers
    std::list<int> l = { 7, 5, 16, 8 };
 
    // Add an integer to the front of the list
    l.push_front(25);
    // Add an integer to the back of the list
    l.push_back(13);
 
    // Insert an integer before 16 by searching
    auto it = std::find(l.begin(), l.end(), 16);
    if (it != l.end()) {
        l.insert(it, 42);
    }
 
    // Print out the list
    std::cout << "l = { ";
    for (int n : l) {
        std::cout << n << ", ";
    }
    std::cout << "};\n";
}

Source: en.cppreference.com

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list in cpp

By Cheerful Crab on Nov 22, 2020

//code by Soumyadeep Ghosh
//ig: @soumyadepp

#include <bits/stdc++.h>

using namespace std;

void display_list(list<int>li)
{
  //auto variable to iterate through the list
  for(auto i:li)
  {
    cout<<i<<" ";
  }
}
int main()
{
  //definition
  list<int>list_1;
  int n,x;
  cin>>n;
  //taking input and inserting using insert function
  for(int i=0;i<n;i++)
  {
    cin>>x;
    list_1.insert(x);
  }
  //if list is not empty display it
  if(list_1.empty()==false)
  {
    display_list(list_1);
  }
  list_1.sort(); //sorts the list
  list_1.reverse(); //reverses the list
  list_1.pop_back(); //deletes last element of the list
  list_1.pop_front(); //deletes the first element of the list
  
  display_list(list_1);  //function to display the list
  
  
  return 0;
}
//in addition , you can use nested lists such as list<list<int>> or list<vector<list>> etc

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list stl

By Viper on Aug 06, 2020

template < class T, class Alloc = allocator<T> > class list;

Source: www.cplusplus.com

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