24.(C) Calculating the product of two 2*2 Matrix Multification-->>>Toph

 #include <stdio.h>

int main() {

int A11,A12,A21,A22,B11,B12,B21,B22,C11,C12,C21,C22;

scanf("%d %d %d %d %d %d %d %d",&A11,&A12,&A21,&A22,&B11,&B12,&B21,&B22);

C11=A11*B11+A12*B21;

C12=A11*B12+A12*B22;

C21=A21*B11+A22*B21;

C22=A21*B12+A22*B22;

printf("%d %d",C11 ,C12);

printf("\n %d %d",C21 ,C22);

return 0;

}