MultiplicationOf2Matrix.cpp

#include<bits/stdc++.h> 
using namespace std; 
  
// Multiplies two matrices mat1[][]  
// and mat2[][] and prints result. 
// (m1) x (m2) and (n1) x (n2) are  
// dimensions of given matrices. 
void multiply(int m1, int m2, int mat1[][2],  
              int n1, int n2, int mat2[][2]) 
{ 
    int x, i, j; 
    int res[m1][n2]; 
    for (i = 0; i < m1; i++)  
    { 
        for (j = 0; j < n2; j++)  
        { 
            res[i][j] = 0; 
            for (x = 0; x < m2; x++)  
            { 
                *(*(res + i) + j) += *(*(mat1 + i) + x) * 
                                     *(*(mat2 + x) + j); 
            } 
        } 
    } 
    for (i = 0; i < m1; i++)  
    { 
        for (j = 0; j < n2; j++)  
        { 
            cout << *(*(res + i) + j) << " "; 
        } 
        cout << "\n"; 
    } 
} 
  
// Driver code 
int main() 
{ 
    int mat1[][2] = { { 2, 4 }, { 3, 4 } }; 
    int mat2[][2] = { { 1, 2 }, { 1, 3 } }; 
    int m1 = 2, m2 = 2, n1 = 2, n2 = 2; 
    multiply(m1, m2, mat1, n1, n2, mat2); 
    return 0; 
}