Code:
#include conio.h
#include iostream
using namespace std;
int main()
{
int a[10][10], b[10][10], c[10][10];
int x, y, i, j, m, n;
cout << "\nEnter the number of rows and columns for Matrix A:::\n\n";
cin >> x >> y;
// x denotes number rows in matrix A
// y denotes number columns in matrix A
cout << "\n\nEnter elements for Matrix A :::\n\n";
for (i = 0; i < x; i++)
{
for (j = 0; j < y; j++)
{
cin >> a[i][j];
}
cout << "\n";
}
cout << "\n\nMatrix A :\n\n";
for (i = 0; i < x; i++)
{
for (j = 0; j < y; j++)
{
cout << "\t" << a[i][j];
}
cout << "\n\n";
}
cout << "\n-----------------------------------------------------------\n";
cout << "\nEnter the number of rows and columns for Matrix B:::\n\n";
cin >> m >> n;
// m denotes number rows in matrix B
// n denotes number columns in matrix B
cout << "\n\nEnter elements for Matrix B :::\n\n";
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
cin >> b[i][j];
}
cout << "\n";
}
cout << "\n\nMatrix B :\n\n";
for (i = 0; i < m; i++)
{
for (j = 0; j < n; j++)
{
cout << "\t" << b[i][j];
}
cout << "\n\n";
}
if (y == m)
{
for (i = 0; i < x; i++)
{
for (j = 0; j < n; j++)
{
c[i][j] = 0;
for (int k = 0; k < m; k++)
{
c[i][j] = c[i][j] + a[i][k] * b[k][j];
}
}
}
cout
<< "\n-----------------------------------------------------------\n";
cout << "\n\nMultiplication of Matrix A and Matrix B :\n\n";
for (i = 0; i < x; i++)
{
for (j = 0; j < n; j++)
{
cout << "\t" << c[i][j];
}
cout << "\n\n";
}
}
else
{
cout << "\n\nMultiplication is not possible";
}
getch();
return 0;
}
Output:
Enter the number of rows and columns for Matrix A:::
2 2
Enter elements for Matrix A :::
1 2
3 4
Matrix A :
1 2
3 4
-----------------------------------------------------------
Enter the number of rows and columns for Matrix B:::
2 2
Enter elements for Matrix B :::
4 5
6 7
Matrix B :
4 5
6 7
-----------------------------------------------------------
Multiplication of Matrix A and Matrix B :
16 19
36 43
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