Multiplication of Two Matrices

//Multiplication of Matrix

#include <stdio.h>

#include <conio.h>

int m1,n1,m2,n2,i,j,k,z[10][10]={0};

void value_sub(int a,int b,int arr[][10] )

{

for(i=0;i<a;i++)

{

for(j=0;j<b;j++)

{

printf(“Mat[%d%d] = “,i+1,j+1);

scanf(“%d”,&arr[i][j]);

fflush(stdin);

}

printf(“”);

}

}

void mat_mul(int a,int b,int arr[][10],int brr[][10])

{

int k=0;

for(i=0;i<a;i++)

{

for(j=0;j<b;j++)

{

for(k=0;k<a;k++)

z[i][j]+=arr[i][k]*brr[k][j];

printf(“%d\t”,z[i][j]);

}

printf(“\n\n”);

}

}

int main()

{

int A[10][10]={0},B[10][10]={0};

printf(“Enter the column and row of first matrix(m x n)\n”);

scanf(“%d%d”,&m1,&n1);

printf(“Enter the column and row of second matrix(m x n)\n”);

scanf(“%d%d”,&m2,&n2);

printf(“\n\n”);

if (n1==m2)

{

value_sub(m1,n1,A);

printf(“\n\n”);

value_sub(m2,n2,B);

printf(“\n\n”);

mat_mul(m1,n2,A,B);

}

else

printf(“Matrix multiplication cannot be done”);

getch();

}