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  1. // Multiplication My Version
  2. #include<iostream>
  3.  
  4. using namespace std;
  5.  main()
  6. {
  7.    int m, n, c, d, o, p, first[10][10], second[10][10], mult[10][10];
  8.  
  9.    cout << "Enter the number of rows and columns of matrix 1 ";
  10.    cin >> m >> n;
  11.    cout << "Enter the number of rows and columns of matrix 2 ";
  12.    cin >> o >> p;
  13.  
  14.    cout << "Enter the elements of first matrix\n";
  15.  
  16.    for (  c = 0 ; c < m ; c++ )
  17.       for ( d = 0 ; d < n ; d++ )
  18.          cin >> first[c][d];
  19.  
  20.    cout << "Enter the elements of second matrix\n";
  21.  
  22.    for ( c = 0 ; c < o ;c++ )
  23.       for ( d = 0 ; d < p ; d++ )
  24.             cin >> second[c][d];
  25.    //mult
  26.    if(n==o)
  27.    {
  28.  
  29.    for ( c = 0 ; c < m ; c++ )
  30.  
  31.       for ( d = 0 ; d < p ; d++ )
  32.             mult[c][d]=0;
  33.  
  34.           for(int k=0;k<n;k++)
  35.  
  36.            mult[c][d] += first[c][k] * second[k][d];
  37.    }
  38.    else
  39.        cout<<"Multiplication not possible";
  40.  
  41.    cout << "Product of entered matrices:-\n";
  42.  
  43.    for ( c = 0 ; c < m ; c++ )
  44.    {
  45.       for ( d = 0 ; d < p ; d++ )
  46.          cout << mult[c][d] << "\t";
  47.  
  48.       cout << endl;
  49.    }
  50.  
  51.    return 0;
  52. }
Success #stdin #stdout 0.25s 2728KB
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stdin
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Standard input is empty
stdout
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Enter the number of rows and columns of matrix 1 Enter the number of rows and columns of matrix 2 Enter the elements of first matrix
Enter the elements of second matrix
Multiplication not possibleProduct of entered matrices:-
https://ideone.com/wgZ3J
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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