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C++ Linked List Exercises: Create and display linked list

C++ Linked List: Exercise-1 with Solution

Write a C++ program to create and display a Singly Linked List.

Visualization:

C++ Exercises: Create and display linked list

Test Data:
The list contains the data entered:
11 9 7 5 3 1

Sample Solution:

C++ Code:

#include <iostream>
 
using namespace std;
 
//Declare node 
struct Node{
    int num;
    Node *next;
};
 
//Starting (Head) node
struct Node *head=NULL;
 
//Insert node at start
void insert_Node(int n){
    struct Node *new_node=new Node;
    new_node->num=n;
    new_node->next=head;
    head=new_node;
}
 
//Display all nodes
void display_all_nodes(){
	cout<<"The list contains the data entered:\n";
    struct Node *temp = head;
    while(temp!=NULL){
        cout<<temp->num<<" ";
        temp=temp->next;
    }
    cout<<endl;
}
 
int main(){
    insert_Node(1);
    insert_Node(3);
    insert_Node(5);
    insert_Node(7);
    insert_Node(9);
    insert_Node(11);
    display_all_nodes();
    return 0;
}

Sample Output:

The list contains the data entered:
11 9 7 5 3 1 

Flowchart:

Flowchart: Create and display linked list.

CPP Code Editor:

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C++ Programming: Tips of the Day

How to replace all occurrences of a character in string?

std::string doesn't contain such function but you could use stand-alone replace function from algorithm header.

#include <algorithm>
#include <string>

void some_func() {
  std::string s = "example string";
  std::replace( s.begin(), s.end(), 'x', 'y'); // replace all 'x' to 'y'
}

Ref: https://bit.ly/3niU71x