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int main(){

int a[5][5],b[5][5],c[5][5],i,j,k,sum=0,m,n,o,p;

printf("\nEnter the row and column of first matrix");

scanf("%d %d",&m,&n);

printf("\nEnter the row and column of second matrix");

scanf("%d %d",&o,&p);

if(n!=o){

printf("Matrix mutiplication is not possible");

printf("\nColumn of first matrix must be same as row of second matrix");

}

else{

printf("\nEnter the First matrix->");

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

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

scanf("%d",&a[i][j]);

printf("\nEnter the Second matrix->");

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

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

scanf("%d",&b[i][j]);

printf("\nThe First matrix is\n");

for(i=0;i<m;i++){

printf("\n");

for(j=0;j<n;j++){

printf("%d\t",a[i][j]);

}

}

printf("\nThe Second matrix is\n");

for(i=0;i<o;i++){

printf("\n");

for(j=0;j<p;j++){

printf("%d\t",b[i][j]);

}

}

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

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

c[i][j]=0;

for(i=0;i<m;i++){//row of first matrix

for(j=0;j<p;j++){ //column of second matrix

sum=0;

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

sum=sum+a[i][k]*b[k][j];

c[i][j]=sum;

}

}

}

printf("\nThe multiplication of two matrix is\n");

for(i=0;i<m;i++){

printf("\n");

for(j=0;j<p;j++){

printf("%d\t",c[i][j]);

}

}

return 0;

}

this is similar for any matrix