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C Exercises: To create and display Singly Linked List

Last update on February 26 2020 08:07:27 [UTC/GMT +8 hours]

C Linked List : Exercise-1 with Solution

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

Pictorial Presentation:

Sample Solution:

C Code:

#include #include struct node { int num; //Data of the node struct node *nextptr; //Address of the next node }*stnode; void createNodeList[int n]; // function to create the list void displayList[]; // function to display the list int main[] { int n; printf["\n\n Linked List : To create and display Singly Linked List :\n"]; printf["-------------------------------------------------------------\n"]; printf[" Input the number of nodes : "]; scanf["%d", &n]; createNodeList[n]; printf["\n Data entered in the list : \n"]; displayList[]; return 0; } void createNodeList[int n] { struct node *fnNode, *tmp; int num, i; stnode = [struct node *]malloc[sizeof[struct node]]; if[stnode == NULL] //check whether the fnnode is NULL and if so no memory allocation { printf[" Memory can not be allocated."]; } else { // reads data for the node through keyboard printf[" Input data for node 1 : "]; scanf["%d", &num]; stnode->num = num; stnode->nextptr = NULL; // links the address field to NULL tmp = stnode; // Creating n nodes and adding to linked list for[i=2; inum = num; // links the num field of fnNode with num fnNode->nextptr = NULL; // links the address field of fnNode with NULL tmp->nextptr = fnNode; // links previous node i.e. tmp to the fnNode tmp = tmp->nextptr; } } } } void displayList[] { struct node *tmp; if[stnode == NULL] { printf[" List is empty."]; } else { tmp = stnode; while[tmp != NULL] { printf[" Data = %d\n", tmp->num]; // prints the data of current node tmp = tmp->nextptr; // advances the position of current node } } }

Sample Output:

Linked List : To create and display Singly Linked List : ------------------------------------------------------------- Input the number of nodes : 3 Input data for node 1 : 5 Input data for node 2 : 6 Input data for node 3 : 7 Data entered in the list : Data = 5 Data = 6 Data = 7

Flowchart:

createNodeList[] :

displayList[] :

C Programming Code Editor:

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Next: Write a program in C to create a singly linked list of n nodes and display it in reverse order.

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C Programming: Tips of the Day

In C, how should I read a text file and print all strings?

The simplest way is to read a character, and print it right after reading:

int c; FILE *file; file = fopen["test.txt", "r"]; if [file] { while [[c = getc[file]] != EOF] putchar[c]; fclose[file]; }

Ref: //bit.ly/3DjQ1fR

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C Exercises: To create and display Singly Linked List

C Linked List : Exercise-1 with Solution

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