/* The following C program is used to copy a string in another array without using string.h function, strcpy(). The program asks for the input from user & the value is copied in the 2nd variable then displayed to user. */
#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
void mystrcpy(char *d, char *s) //Function definition for string copy function
{
while(*s) //While the source string is not encountered a NULL character
{
*d=*s;
s++;
d++;
}
*d='\0';
}
int main()
{
char s1[100];
char s2[100];
printf("\nEnter a string to copy: ");
gets(s2); //User Input the string here
mystrcpy(s1,s2);
printf("\nThe Copied String is : ");
puts(s2); //Copied string output shown here
system("pause");
return 0;
}
Screenshot:
#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
void mystrcpy(char *d, char *s) //Function definition for string copy function
{
while(*s) //While the source string is not encountered a NULL character
{
*d=*s;
s++;
d++;
}
*d='\0';
}
int main()
{
char s1[100];
char s2[100];
printf("\nEnter a string to copy: ");
gets(s2); //User Input the string here
mystrcpy(s1,s2);
printf("\nThe Copied String is : ");
puts(s2); //Copied string output shown here
system("pause");
return 0;
}
Screenshot:
1 comments:
#include
using namespace std;
template
class LinkedList
{
private:
struct Node
{
struct Node* prev;
struct Node* next;
T data;
};
struct Node* pNode;
public:
LinkedList();
~LinkedList();
void append(T);
void addAtBeg(T);
void addAfter(int, T);
void deleteNode(T);
void display();
void count();
};
template
LinkedList::LinkedList()
{
pNode = NULL;
}
template
LinkedList::~LinkedList()
{
struct Node* temp = pNode;
while(pNode)
{
temp = pNode;
pNode = pNode->next;
delete temp;
}
}
template
void LinkedList::append(T data)
{
if(pNode == NULL)
{
pNode = new struct Node;
pNode->next = NULL;
pNode->prev = NULL;
pNode->data = data;
return;
}
else
{
struct Node* temp = pNode;
while(temp->next != NULL)
{
temp = temp->next;
}
temp->next = new struct Node;
temp->next->prev = temp;
temp->next->next = NULL;
temp->next->data = data;
}
}
template
void LinkedList::addAtBeg(T data)
{
if(pNode == NULL)
{
pNode = new struct Node;
pNode->next = NULL;
pNode->prev = NULL;
pNode->data = data;
return;
}
else
{
struct Node *temp = new struct Node;
temp->next = pNode;
pNode->prev = temp;
temp->prev = NULL;
temp->data = data;
pNode = temp;
}
}
template
void LinkedList::addAfter(int position, T data)
{
cout << "Assumed will have some element and position is a valid position" <next;
}
struct Node *tempNode = new struct Node;
tempNode->data = data;
tempNode->prev = temp;
tempNode->next = temp->next;
temp->next = tempNode;
}
template
void LinkedList::deleteNode(T data)
{
cout << "Here also not handled the condition, assumed data is in the link"<data != data)
{
temp = temp->next;
}
temp->prev->next = temp->next;
temp->next->prev = temp->prev;
delete temp;
}
template
void LinkedList::display()
{
cout<< "Not checked all the condition,assumed that list have some element" <next;
}
cout << "Number of elements in the list = " << count << endl;
}
int main()
{
LinkedList *pLinkObj = new LinkedList();
pLinkObj->append(2);
pLinkObj->append(4);
pLinkObj->append(6);
pLinkObj->append(8);
pLinkObj->append(10);
cout << "======" << endl;
pLinkObj->display();
cout << "======" <addAtBeg(1);
cout << "======" << endl;
pLinkObj->display();
cout << "======" <addAfter(4, 7);
cout << "======" << endl;
pLinkObj->display();
cout << "======" <deleteNode(8);
pLinkObj->display();
pLinkObj->count();
delete pLinkObj;
return 0;
}
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