C :: Insert Linked List Into Another Linked List
Jun 29, 2013
I have a linked list comprised of chars like so...
Code:
node1 - "p"
node2 - "o"
node3 - "p"
I need a function that will take in three perameters...node *replaceChar(node *head, char key, char *str)Stipulations of this function. head is the head of the list, 'key' and 'str' are guaranteed to contain alphanumeric characters only (A-Z, a-z, and 0-9). str can range from 1 to 1023 characters (inclusively). So if I call this function with these perameters..
Code:
node *head == /*the head of the list to be examined*/
char key == "p"char *str == "dog"The new list will look like this...
node1 - 'd'
node2 - 'o'
node3 - 'g'
node4 - 'o'
node5 - 'd'
node6 - 'o'
node7 - 'g'
All instances of 'p' were replaced with 'dog' I have a toString function which takes in a string and converts it to a linked list and returns the head. So assume that you can call the function on str = "dog" so...
Code:
toString(str) == /*this will return the head to the list made from the str*/
If it's unclear what my question is...I am stumped on how to write the replaceChar function the one that takes in three perameters..
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Oct 25, 2013
I have a problem with inserting a node between two nodes.
Code:
#include <stdio.h>
#include <stdlib.h>
struct listelem {
int nbr;
struct listelem *next;
[Code] ....
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Feb 17, 2013
I'm trying to make a function that lets me pass an index and a string and will insert the string at that index in the linkedlist... here is so function i have so far:
Code:
typedef struct node {
char* value;
struct node* next;
} LinkedList;
void llAddAtIndex(LinkedList** ll, char* value, int index) {
[Code] .....
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Feb 12, 2014
I have a program and function i'm having an issue understanding. Here is what it's doing in the main.
int main() {
orderedLinkedList<MemberDO> memberList;
MemberDO::readFromFile("Member.dat", memberList);
return 0;
}
So it is creating a linked list object using the MemberDO class type which has a int, string, char and double. Then it will call the readFromFile static function in the MemberDO. So this is where my problem is I have this function
void MemberDO::readFromFile(char *fname, orderedLinkedList<MemberDO>& list) {
}
How do I read in each individual data member from the input then create a new MemberDO object and insert the objects into the linked list specified in the second argument list?
Here is the MemberDO class declarations
class MemberDO {
private:
int key;
string lastName;
char firstInitial;
double dues;
[Code] ....
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Jul 26, 2013
I'm having trouble inserting a node in a nth position into a double linked list. My for loop is giving me an exception handler error and I can't link the node after the new node is inserted back to the new node. Here is my code,
void mylist::insertpos(const int &pos, const string &s, const int & c) {
listnode* temp1 = new listnode(s,c);
temp1->s =s;
temp1->next = NULL;
[Code]....
I attached my header file incase you need to see the definitions for my objects.
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Oct 14, 2014
It is suppose to insert items in Linked List in sorted ascending order and no duplicates are allowed.The code complies but it creates duplicates out of order.
ListRetVal CSortedList :: InsertItem(const ListItemType &newItem)
{
ListItemNode* newLNode = new ListItemNode();
newLNode->value=newItem;
newLNode->next=NULL;
[Code].....
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Feb 17, 2013
I'm still trying to insert a node at a passed index in a linked list. This is my function, it doesn't work but i feel like it's close.
Code:
void llAddAtIndex(LinkedList** ll, char* value, int index) {
LinkedList* newNode = (LinkedList*)malloc(sizeof(LinkedList));
newNode->value = value;
LinkedList* prevNode = *ll;
for(int i = 0; i < index; i++){
[Code] ....
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Feb 8, 2014
How to randomly insert certain numbers into a linked list with 10 nodes. Meaning I want to put for example numbers 1 5 10 15 20 25 30 35 40 50 in random locations in the linked list.
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Mar 16, 2014
is this correct? I used this sorting with numbers i don't know if it is the same with strings. When I run it, there are no errors detected, but when i try to view it, the inputs does not appear.
void add(node **h, node **t){
node *temp, *ptr;
char s[20];
temp = (node*) malloc(sizeof(node));
printf ("-INSERT-");
printf("Fruit: ");
scanf("%s", temp->fruit);
[Code] .....
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Feb 20, 2014
I'm trying to figure out how to insert a node into a linked list at a particular location based on a time..I have this declared outside of everything globally.
Code:
struct aTime {
char name[LENGTH];
int time;
struct aTime* next;
};
struct aTime* head = NULL; And then this function that is used to add nodes (aTime structs) to a linked list. It adds the first node fine, but not subsequent ones. I think this is because I have while p-> != NULL but it is always going to be null when the function is called since I create a new aTime struct. So I guess my question is how, after one struct has been added at the beginning, do I point to the head node and traverse the list, insert a node, and make sure everything is still linked? Do I need another temp aTime struct?
Code:
void add_time(char name[LENGTH], int seconds)
{
struct aTime *p;
p = (struct aTime *) malloc(sizeof(struct aTime));
if (head == NULL)
{
strcpy(p->name, name);
p->seconds = seconds;
}
[code]....
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May 16, 2013
Error:
--------------------Configuration: nc - Win32 Debug--------------------
Compiling...
cv.cpp
Linking...
LIBCD.lib(crt0.obj) : error LNK2001: unresolved external symbol _main
Debug/nc.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.
nc.exe - 2 error(s), 0 warning(s)
Compiles with 0 error but on running 2 Errors appear.
I'm Inputting data of an object from user and then inserting it in the link list.
#include <iostream>
//#include <fstream>
using namespace std;
#define LEN 100
////////////////////////////////////////////////////////////////////////////////////////////////////
class employee{
[Code] ....
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Apr 29, 2013
I'm trying to write a function that takes two linked lists and creates a third one with only the common elements.
It assumes the first list (the caller) has no dups, but it doesn't seem to be working. The program doesn't crash, it just hangs when it is supposed to display L3 (the third list)..everything else runs and is displayed fine.
template <typename T>
LList <T> LList <T>:: common (LList <T> &B)//common fct
{
Node <T> *hunter1 = Head;
[Code]......
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Dec 31, 2014
Code:
// Write a function called insertEntry() to insert a new entry into a linked list.
Have the procedure take as arguments a pointer to the list entry to be inserted (of type struct entry as defined in this chapter), and a pointer to an element in the list after which the new entry is to be inserted.
// The function dveloped in exercise 2 only inserts an element after an existing element in the list, thereby prenting you from inserting a new entry at the front of the list.
(Hint: Think about setting up a special structure to point to the beginning of the list.)
#include <stdio.h
struct entry1 {
int value;
struct entry1 *next;
};
[code]...
This is a working version of the exercise, but I don't think I'm doing what's asked. I was able to add an element to the beginning of the list using an if statement, not creating a special structure that points to the beginning of the list. How would I go about creating a special structure that points to the beginning of the list to add a new element at the beginning of the list?
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May 30, 2013
I'm working on a linked list and was wondering how this looks to everybody else for a deleteList function.
void deleteList(Node* head)
{
Node* iterator = head;
while (iterator != 0)
[code].....
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May 15, 2013
I need to make the functions using these function prototypes. I am mainly having problems with GetFirst() and SwapData() but how to do it..
Header File with Prototypes
Code:
#ifndef LINKEDLIST_H
#define LINKEDLIST_H
/**
* @file
* This file provided a doubly-linked list implementation capable of storing any arbitrary data.
* The list implementation relies on a chain metaphor: a list is merely a sequence of links
* (ListItems) and there is no separate construct to represent the entire list, each ListItem in it
[Code]....
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May 7, 2013
I read an article on linked list here: C Linked List Data Structure Explained with an Example C Program
Code:
struct test_struct* search_in_list(int val, struct test_struct **prev)
{
struct test_struct *ptr = head;
struct test_struct *tmp = NULL;
bool found = false;
}
[code].....
What is "if(prev)"? Wouldn't "prev" always have the same value? Secondly, if tmp is NULL (which will be the case when the loop if(ptr->val == val) finds a match the first time it is run), is *prev assigned a NULL?
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Jan 2, 2014
I'm having a small issue here with my linked list.I built a linked list with strings and it worked perfectly.Now since i'm using strtok() to separate the string.for now here's what i've got:
Code:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef struct dict_word *word;
typedef struct node *Node;
typedef struct double_linked_list *DLL;
}
[code]....
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Jan 6, 2014
I have the codes for the functions: "Given the functions that we have discussed and defined in the class and the code that we have created, create the code for the Delete Node function and the Search function. Create an application that will incorporate all the functions that we have discussed and the new ones that you need to create. The application should allow the linked list to be built initially from a text file. The application should then allow for the user select an operation to perform. The acceptable operations are
- to search for an item
- to delete an item
- to enter a new item
- to exit the application
After the initial build and loading of data from the textfile, the application should print a listing of each item in the list and the node that it is located in. after a delete or insert, the application should display an output of the list again showing each item in the list and the node that it resides in.
The data item for this problem will be the inventory structure that we created in class and the data is in the inventory file that you already have downloaded."
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Mar 7, 2013
I am having difficulty getting my program to run. I have looked and looked many times trying to figure out what I am doing wrong. I have a hunch that it's my load function that's acting up, but from my perspective, my creation of my singly linked list looks good. From the creation of my singly linked list, does anything stand out as being abnormal?
Code:
typedef struct Node {
char word[LENGTH+1];
struct Node *Next;
} Node;
}
[code]....
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Apr 2, 2013
I been ask to create a sorted linked list module, and to test each function with 1 unit, 2 +.so i wrote my addtofront function( we have to use the same as the teacher)
Code:
struct MyList{
char * name;
Sorted * AddmyChar;
struct MyList * next;
}
[code]....
but i cant seem to test it because it always display a seg fault.... i dont know what i did wrong....how do i call this function in main to display a string i want?
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May 27, 2014
I decided to make a linked list program using classes and templates.I implemented my linked list and added some basic functions, everything worked just fine. Then I proceeded to add templates...First, the error list:
#pragma once
template<class T>
class Node {
private:
Node* next;
[code]....
To sum up: Something's wrong with the templates that I used in "List.cpp" and what it could be.
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Jan 2, 2013
My program is almost done all that is left is entering big numbers, the program can add and subtract small numbers but not big numbers because it puts them all in one node, I need the program to store each number in a node.
#include<iostream>
#include<string>
using namespace std;
class Node {
public:
int value;
Node * next;
[Code] .....
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Mar 30, 2013
When I am traversing a linked list ...i suppose we can do it only with pointers
like p is a head node pointer then
p
p->next
p->next->next
p-next->next->next
so on represents a link...
if i have to pass head node as struct variable itself...can i traverse a link using dot operator??
p and p.next and how to retrieve third and remaining links through this method if we can traverse like this???
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Mar 3, 2014
I have created this program to merge two linked list into one ,but however everything is working fine but on execution it providing a segmentation fault error ( on calling merging function )
code :
#include<iostream>
#include<stdio.h>
using namespace std;
struct node{
int data;
node* link;
[code].....
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Apr 1, 2013
I am unable to make any logical algorithm to access middle of stack. I am using stack implemented with linkedlists, I have following functions available for stack like push,pop,top.
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Sep 22, 2013
I had ...
class List;
List *deletezeroendlist(List* L);
class List {
public:
intdigit;
List*nextDigit;
public:
List():digit(0), nextDigit(NULL){}
List(int d, List *next):digit(d), nextDigit(next){}
I have tried many different ways but it is still not the answer / perform the function List *deletezeroendlist(List* L)
EX
L=12345600 -> L=123456
or L=01203000 -> L=01203
remove the 0 at the end
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