it is to be noted that this codes shows unexpected solutions for different sized vectors because i wrote this just for solving the question for two equal sized vectors
......oh yeah,,,,,,,
#include <iostream>
using namespace std;
template <class T1, class T2, class T3>
class vect1
{
public:
T1 arr1[100];
T2 arr2[100];
T3 arr3[100];
float sum;
int size1, size2, i, j, k;
void array1()
{
cout << "vector 1 size\n";
cin >> size1;
cout << "vector 2 size\n";
cin >> size2;
if (size1 != size2)
{
cout << "vector size should be of same size for multipication\n";
}
else if (size1 == size2)
{
cout << "enter vector 1\n";
for (i = 0; i < size1; i++)
{
cin >> arr1[i];
}
cout << "enter vector 2\n";
for (j = 0; j < size2; j++)
{
cin >> arr2[j];
}
}
}
void modify()
{
int index;
int choice, newentry;
cout << "enter 1 to modify vector 1 and\n 2 to modify vector 2 and\n 3 to do nothing\n";
cin >> choice;
if (choice == 1)
{
cout << "enter number to modify in vector 1\n";
cin >> index;
cout << "enter new number for vector 1\n";
for (i = 0; i < size1; i++)
{
if (arr1[i] == index)
{
cin >> newentry;
arr2[i] = newentry;
}
}
}
else if (choice == 2)
{
cout << "enter number to modify in vector 2\n";
cin >> index;
cout << "enter new number in vector 2\n";
for (j = 0; j < size2; j++)
{
if (arr2[j] == index)
{
cin >> newentry;
arr2[j] = newentry;
}
}
}
}
void mul()
{
for (k = 0; k < size1; k++)
{
arr3[k] = arr1[k] * arr2[k];
sum += arr3[k];
}
cout << " SCALAR MULTIPLICATION IS " << sum << endl;
}
void display()
{
cout << "vector 1 is" << endl;
cout << "( ";
for (i = 0; i < size1; i++)
{
cout << arr1[i] << " , ";
}
cout << ")" << endl;
;
cout << "vector 2 is" << endl;
cout << "( ";
for (j = 0; j < size2; j++)
{
cout << arr2[j] << " , ";
}
cout << ")" << endl;
}
};
int main()
{
vect1<int, int, int> obj;
obj.array1();
cout << "\nbefore any modifications \n" << endl;
obj.display();
obj.modify();
cout << "\n\nafter each modifications\n\n " << endl;
obj.display();
obj.mul();
return 0;
}
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