Matrix Multiplication in C-Language and Dataflow graph

Program:

# include "stdio.h"
main()
{
    int m1[10][10],i,j,k,m2[10][10],mult[10][10],r1,c1,r2,c2;

1.     printf("Enter number of rows and columns of first matrix (less than 10)\n");
2.     scanf("%d%d",&r1,&c1);
3.     printf("Enter number of rows and columns of second matrix (less than 10)\n");
4.     scanf("%d%d",&r2,&c2);
5.     if(r2==c1)
6.     {
7.         printf("Enter rows and columns of First matrix \n");
8.         for(i=0;i<r1;i++)
9.         {
10.             for(j=0;j<c1;j++)
11.                 scanf("%d",&m1[i][j]);
12.         }
13.         printf("Enter rows and columns of Second matrix \n");
14.         for(i=0;i<r2;i++)
15.         {
16.             for(j=0;j<c2;j++)
17.                 scanf("%d",&m2[i][j]);
18.         }
19.         printf("Multiplication of the Matrices:\n");
20.         for(i=0;i<r1;i++)
21.         {
22.             for(j=0;j<c2;j++)
23.             {
24.                 mult[i][j]=0;
25.                 for(k=0;k<r1;k++)
26.                     mult[i][j]+=m1[i][k]*m2[k][j];
27.                 printf("%d\t",mult[i][j]);
28.             }
29.         }
30.     }
31.     else
32.     {
33.         printf("Matrix multiplication cannot be done");
34.     }
35. }

Data flow graph

Download Data Flow Graph Here