#include <iostream.h> #include <conio.h> template <class T> class vector { T *arr; int size; public: vector() { arr=NULL; size=0; } vector(int m); vector(T *a,int n); void modify(T value,int index); void multiply(int scalarvalue); void display(); }; template <class T> vector<T> :: vector(int m) { size=m; arr = new T[size]; for(int i=0;i<size;i++) arr[i]=0; } template <class T> vector<T> :: vector(T *a,int n) { size=n; arr = new T[size]; for(int i=0;i<size;i++) arr[i]=a[i]; } template <class T> void vector<T> :: modify(T value,int index) { arr[index]=value; } template <class T> void vector<T> :: multiply(int scalarvalue) { for(int i=0;i<size;i++) arr[i] = arr[i] * scalarvalue; } template <class T> void vector<T> :: display() { cout<<\"(\"; for(int i=0;i<size;i++) { cout<<arr[i]; if(i!=size-1) cout<<\", \"; } cout<<\")\"; } void main() { clrscr(); //Creating Integer Vector. int iarr[]={1,2,3,4,5}; cout << \"Integer Values \\n\"; for(int i=0; i < 5; i++) { cout << \"Enter integer value \" << i+1 << \" : \"; cin >> iarr[i]; } vector <int> v1(iarr,5); //Integer array with 5 elements. cout<<\"\\nInteger Vector : \"; v1.display(); cout<<\"\\n\\nModify index 3 with value 15\\n\"; v1.modify(15,3); //modifying index 3 with value 15. cout<<\"After Modification : \"; v1.display(); cout<<\"\\n\\nMultiply with scalar value : 10\\n\"; v1.multiply(10); //Multiply with scalar value 10. cout<<\"After Multiplying : \"; v1.display(); cout<<\"\\n\\n\"; //Creating double Vector. double darr[]={1.1,2.2,3.3,4.4,5.5}; vector <double> v2(darr,5); //Double array with 5 elements. cout<<\"\\nDouble Vector : \"; v2.display(); cout<<\"\\n\\nModify index 0 with value 9.9 \\n\"; v2.modify(9.9,0); //modifying index 0 with value 9.9. cout<<\"After Modification : \"; v2.display(); cout<<\"\\n\\nMultiply with scalar value : 10\\n\"; v2.multiply(10); //Multiply with scalar value 10. cout<<\"After Multiplying : \"; v2.display(); cout<<\"\\n\\n\"; getch(); }