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#include <iostream>
#include <vector>
using namespace std;

vector<int> multwoint(vector<int>& n1, vector<int>& n2)
{
    int m = n1.size();
    int n = n2.size();
    vector<int> result(m + n, 0);
    for (int i = m - 1; i >= 0; i--)
    {
        for (int j = n - 1; j >= 0; j--)
        {
            int mul = n1[i] * n2[j];
            int sum = result[i + j + 1] + mul;
            result[i + j + 1] = sum % 10;
            result[i + j] += sum / 10;
        }
    }
    return result;
}

int main()
{
    int n, m;
    
    cout << "Enter the size of array 1";
    cin >> n;
    cout << "Enter the size of array 2";
    cin >> m;

    int arr1[n];
    int arr2[m];


    for (int i = 0; i < n; i++)
    {
        cin >> arr1[i];
    }


    for (int j = 0; j < m; j++)
    {
        cin >> arr2[j];
    }

    vector<int> result = multwoint( arr1[], arr2[] );
    cout << " result ";
    for (int digit : result)
    {
        cout << digit;
    }
    return 0;
}
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