void multiply(int a[], int row1, int col1, int b[], int row2, int col2) {
int d[size];
for (int i = 0; i < row1; i++) {
for (int j = 0; j < col2; j++) {
int sum = 0.0;
for (int k = 0; k < col2; k++)
sum = sum + a[i * col1 + k] * b[k * col2 + j];
d[i * col2 + j] = sum;
}
}
for (int i = 0; i < …