Using - C
  
 Source Code
  

    
      // Developed by Anuj Das

#include<stdio.h>
#include<stdlib.h>
     
void main() {
  int a[10][10], b[10][10], c[10][10];
  int rows_m1, cols_m1, rows_m2, cols_m2, i, j, k;
  
    printf("Enter number of Rows & Columns of 1st Matrix:  ");
	scanf("%d %d", &rows_m1, &cols_m1);
	printf("Enter number of Rows & Columns of 2nd Matrix:  ");
	scanf("%d %d", &rows_m2, &cols_m2);
	
	if(cols_m1 != rows_m2) {
		printf("\nNumber of Columns of the 1st Matrix must be equal to the number of Rows of the 2nd Matrix!!");
		exit(1);
	}
    
   
  printf("Enter Elements of 1st Matrix: \n");
    for(i=0; i < rows_m1; i++) {
        for(j=0; j < cols_m1; j++) {
            scanf("%d",&a[i][j]);
        }
    }
    
  printf("Enter Elements of 2nd Matrix: \n");
    for(i=0; i < rows_m2; i++) {
        for(j=0; j < cols_m2; j++) {
            scanf("%d",&b[i][j]);
        }
    }
    
    for(i=0; i < rows_m1; i++) {
        for(j=0; j < cols_m2; j++) {
            c[i][j]=0;
            for(k=0; k <  rows_m2; k++) {
                c[i][j] += a[i][k] * b[k][j];
            }
        }
    }
    
  printf("\n\nPRODUCT OF TWO MATRICES:\n");
    for(i=0; i < rows_m1; i++) {
        for(j=0; j < cols_m2; j++) {
            printf("%d\t",c[i][j]);
        }
        printf("\n");
    }
}

    

Enter number of Rows & Columns of 1st Matrix :   2   2
Enter number of Rows & Columns of 2nd Matrix:   2   3
Enter Elements of 1st Matrix:
1   2
2   3
Enter Elements of 2nd Matrix:
2   4   6
5   7   2
  
  
PRODUCT OF TWO MATRICES:
12      18      10
19      29      18

        
Using - C++
        
 Source Code
        

        
          // Developed by Anuj Das

#include<iostream>
using namespace std;

int main() {
  int a[10][10], b[10][10], c[10][10];
  int rows_m1, cols_m1, rows_m2, cols_m2, i, j, k;
    cout<< "Enter number of Rows & Columns of 1st Matrix:  ";
	cin>> rows_m1 >> cols_m1;
	cout<< "Enter number of Rows & Columns of 2nd Matrix:  ";
	cin>> rows_m2 >> cols_m2;
		
	if(cols_m1 != rows_m2) {
		cout<< "\nNumber of Columns of the 1st Matrix must be equal to the number of Rows of the 2nd Matrix!!";
		exit(1);
	}
	
  cout<< "Enter Elements of 1st Matrix: \n";
    for(i=0; i < rows_m1; i++) {
        for(j=0; j < cols_m1; j++) {
            cin>> a[i][j];
        }
    }
    
  cout<< "Enter Elements of 2nd Matrix: \n";
    for(i=0; i < rows_m2; i++) {
        for(j=0; j < cols_m2; j++) {
            cin>> b[i][j];
        }
    }
    
    for(i=0; i < rows_m1; i++) {
        for(j=0; j < cols_m2; j++) {
            c[i][j]=0;
            for(k=0; k <  rows_m2; k++) {
                c[i][j] += a[i][k] * b[k][j];
            }
        }
    }
    
  cout<< "\n\nPRODUCT OF TWO MATRICES:\n";
    for(i=0; i < rows_m1; i++) {
        for(j=0; j < cols_m2; j++) {
            cout<< c[i][j]<< "\t";
        }
        cout<< endl;
    }
	
  return 0;
}
      

Enter number of Rows & Columns of 1st Matrix :  3   2
Enter number of Rows & Columns of 2nd Matrix:  3   2
  
Number of Columns of the 1st Matrix must be equal to the number of Rows of the 2nd Matrix!!