Multiplication of two matrice in C++

1. #include<iostream.h>
2. #include<conio.h>
3. void main()
4. {
5. clrscr();
6. int a[10][10],b[10][10],c[10][10],m,n,o,p,i,j;
7. cout<<"Enter number of rows of A: ";
8. cin>>m;
9. cout<<"Enter number of coloumns of A: ";
10. cin>>n;
11. cout<<endl<<"Enter elements of matrix A: "<<endl;
12. //Coding by:Mir Mueen
13. //http://www.thecorblog.blogspot.com
14. for(i=0;i<m;i++)
15. {
16. for(j=0;j<n;j++)
17. {
18. cout<<"Enter element a"<<i+1<<j+1<<": ";
19. cin>>a[i][j];
20. }
21. }
22. cout<<endl<<"Enter number of rows of B: ";
23. cin>>o;
24. cout<<"Enter number of coloumns of B: ";
25. cin>>p;
26. cout<<endl<<"Enter elements of matrix B: "<<endl;
27. for(i=0;i<o;i++)
28. {
29. for(j=0;j<p;j++)
30. {
31. cout<<"Enter element b"<<i+1<<j+1<<": ";
32. cin>>b[i][j];
33. }
34. }
36. cout<<endl<<"Displaying Matrix A: "<<endl<<endl;
37. for(i=0;i<m;i++)
38. {
39. for(j=0;j<n;j++)
40. {
41. cout<<a[i][j]<<" ";
42. }
43. cout<<endl<<endl;
44. }
45. cout<<endl<<"Displaying Matrix B: "<<endl<<endl;
46. for(i=0;i<o;i++)
47. {
48. for(j=0;j<p;j++)
49. {
50. cout<<b[i][j]<<" ";
51. }
52. cout<<endl<<endl;
53. }
54. if(n==o)
55. {
56. for(i=0;i<m;i++)
57. {
58. for(j=0;j<p;j++)
59. {
60. c[i][j]=0;
61. for(int k=0;k<n;k++)
62. {
63. c[i][j]=c[i][j]+a[i][k]*b[k][j];
64. }
65. }
66. }
67. cout<<endl<<"Matrix A * Matrix B = Matrix C: "<<endl<<endl;
68. for(i=0;i<m;i++)
69. {
70. for(j=0;j<p;j++)
71. {
72. cout<<c[i][j]<<" ";
73. }
74. cout<<endl<<endl;
75. }
76. }
77. else
78. cout<<"Multiplication not possible :(";
79. getch();
80. }