Tuesday, 15 November 2011

CS301 Assignment Idea Solution


#include <iostream.h>
#include <string.h>

using namespace std;
class Node{
public:
int value;
string Name;
Node * next;
Node(int a, string b)
{
this->value=a;
this->Name=b;
this->next=NULL;
}
};
Node *Head;


void addNod(int value, string name)
{
Node *p;
if(Head==NULL)
{
Head = new Node(value,name);
}
else
{
p=Head;
while(p->next!=NULL)
{
p=p->next;
}
p->next = new Node(value,name);
}
}
void SearchThis(string a)
{
while(Head->Name!=a)
{
Head=Head->next;
}
cout<<"found: "<< Head->value<<" "<<Head->Name<<endl;
}
void DeleteFunction(string nameToDelete)
{
Node *Current, *NextCurrent;


if(Head->Name==nameToDelete)
{
Current=Head;
Head=Head->next;
delete Current;
}
else
{
Current=Head;
while(Current!=NULL && Current->Name!=nameToDelete)
{
NextCurrent = Current;
Current = Current->next;
}
if(Current)
{
NextCurrent->next = Current->next;
delete Current;
}
}
}
void PrintList()
{
Node *Print;
Print = Head;
while(Print!=0)
{

cout<<Print->value<<" "<<Print->Name<<endl;
Print=Print->next;
}

}






int main()
{
cout<<"\Welcome to Student Information System (Pakyouth)\n"<<endl;
int choice;
cout<<"1- Enter student information"<<endl;
cout<<"2- Search student by ID"<<endl;
cout<<"3- Search student by Name"<<endl;
cout<<"4- Delete student information"<<endl;
cout<<"5- Print all students"<<endl;
cout<<"6- Quit"<<endl;
int rol;
string na;
while(choice!=6)
{
cout<<"\n\n \t\tenter ur choice \n "<<endl;
cin>>choice;

if(choice==1)
{

cout<<"enter roll number ";
cin>>rol;
cout<<"enter name ";
cin>> na;
addNod(rol,na);
}
else if(choice==3){
cout<<"enter student name to search "<<endl;
cin>>na;
SearchThis(na);
}else if(choice==4){
cout<<"cout enter student name "<<endl;
cin>>na;
DeleteFunction(na);
}else if(choice==5){
PrintList();
}else if(choice==2){
cout<<"sorry, not codded this function "<<endl;
}else{
return 0;
}



}


system("pause");
};

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