vectorop.cpp

#include <iostream>
#include <vector>
#include <string>
#include <cstdlib>
using namespace std;
int main()
{
    vector<int> ss;
    vector<int>::iterator it;
    int choice, item;
    while (1)
    {
        cout<<"\n---------------------"<<endl;
        cout<<"Vector Implementation in STL"<<endl;
        cout<<"\n---------------------"<<endl;
        cout<<"1.Insert Element into the Vector"<<endl;
        cout<<"2.Delete Last Element of the Vector"<<endl;
        cout<<"3.Size of the Vector"<<endl;
        cout<<"4.Display by Index"<<endl;
        cout<<"5.Dislplay by Iterator"<<endl;
        cout<<"6.Clear the Vector"<<endl;
        cout<<"7.Exit"<<endl;
        cout<<"Enter your Choice: ";
        cin>>choice;
        switch(choice)
        {
        case 1:
            cout<<"Enter value to be inserted: ";
            cin>>item;
            ss.push_back(item); 
            break;
        case 2:
            cout<<"Delete Last Element Inserted:"<<endl;
            ss.pop_back();
            break;
        case 3:
            cout<<"Size of Vector: ";
            cout<<ss.size()<<endl;
            break;
        case 4:
            cout<<"Displaying Vector by Index: ";
            for (int i = 0; i < ss.size(); i++)
            {
                cout<<ss[i]<<" ";
            }
            cout<<endl;
            break;
        case 5:
            cout<<"Displaying Vector by Iterator: ";
            for (it = ss.begin(); it != ss.end(); it++)
            {
                cout<<*it<<" ";
            }
            cout<<endl;
            break;
        case 6:
            ss.clear();
            cout<<"Vector Cleared"<<endl;
            break;
        case 7:
            exit(1);
            break;
        default:
            cout<<"Wrong Choice"<<endl;
        }
    }
    return 0;
}