ravikiran0606

#include <iostream>
#include <string>
#include <sstream>
#include <vector>
#include <set>
#include <map>
#include <list>
#include <queue>
#include <stack>
#include <memory>

ravikiran0606

#include<iostream>
#define maxi 1000

using namespace std;

template<class T>
class sstack{
    T a[maxi];
    int top;

ravikiran0606

#include<iostream>
#define maxi 10

using namespace std;

template<class T>
class dualstack{
    T a[maxi];
    int top1,top2;

ravikiran0606

#include<iostream>
#include<map>

                // Used to store key value pairs. (Eg: To maintain Phone Book )

using namespace std;

int main()
{
    map<string,long long>phonebook;

ravikiran0606

#include<iostream>
#include<vector>

                // Similar to array but useful when the number of elements (size) is unknown...

using namespace std;

int main()
{
    vector<int>v;

ravikiran0606

#include<iostream>

using  namespace std;

class media{                     // Abstract Class...
    protected:
        string bookname,authorname,authornativelang;
        int bookISBN;
    public:
        virtual void display();  // Virtual function...

ravikiran0606

#include<iostream>

using namespace std;

class first{
    int fa,fb;

    public:
        first();
        first(int x,int y);

ravikiran0606

#include<iostream>

using namespace std;

class duration{
    int mi;

    public:
        duration();
        duration(int t);

ravikiran0606

#include<iostream>
#include<string>

using namespace std;

class student{
    string name;
    int rollno;

    public:

ravikiran0606

#include<iostream>
#define maxi 100

using namespace std;

int flag;

float add(float a,float b){
    return (a+b);
}