list in cpp

1#include <algorithm>
2#include <iostream>
3#include <list>
4 
5int main()
6{
7    // Create a list containing integers
8    std::list<int> l = { 7, 5, 16, 8 };
9 
10    // Add an integer to the front of the list
11    l.push_front(25);
12    // Add an integer to the back of the list
13    l.push_back(13);
14 
15    // Insert an integer before 16 by searching
16    auto it = std::find(l.begin(), l.end(), 16);
17    if (it != l.end()) {
18        l.insert(it, 42);
19    }
20 
21    // Print out the list
22    std::cout << "l = { ";
23    for (int n : l) {
24        std::cout << n << ", ";
25    }
26    std::cout << "};\n";
27}

1//code by Soumyadeep Ghosh
2//ig: @soumyadepp
3
4#include <bits/stdc++.h>
5
6using namespace std;
7
8void display_list(list<int>li)
9{
10  //auto variable to iterate through the list
11  for(auto i:li)
12  {
13    cout<<i<<" ";
14  }
15}
16int main()
17{
18  //definition
19  list<int>list_1;
20  int n,x;
21  cin>>n;
22  //taking input and inserting using insert function
23  for(int i=0;i<n;i++)
24  {
25    cin>>x;
26    list_1.insert(x);
27  }
28  //if list is not empty display it
29  if(list_1.empty()==false)
30  {
31    display_list(list_1);
32  }
33  list_1.sort(); //sorts the list
34  list_1.reverse(); //reverses the list
35  list_1.pop_back(); //deletes last element of the list
36  list_1.pop_front(); //deletes the first element of the list
37  
38  display_list(list_1);  //function to display the list
39  
40  
41  return 0;
42}
43//in addition , you can use nested lists such as list<list<int>> or list<vector<list>> etc

1#include <bits/stdc++.h>
2using namespace std;
3void display(list<int> &lst){
4    list<int> :: iterator it;
5    for(it = lst.begin(); it != lst.end(); it++){
6         cout<<*it<<" ";
7    }
8}
9int main(){
10    list<int> list1;
11    int data, size;
12    cout<<"Enter the list Size ";
13    cin>>size;
14    for(int i = 0; i<size; i++){
15        cout<<"Enter the element of the list ";
16        cin>>data;
17        list1.push_back(data);
18    }
19    cout<<endl;
20    display(list1);
21  return 0;
22}
23
24

1template < class T, class Alloc = allocator<T> > class list;