#include <stdlib.h>

int m, n, k;
double *A, *B, *C;

void compute() {
	int i,j,h;
	for(i = 0; i < m; ++i) {
		for(j = 0; j < n; ++j) {
			for(h = 0; h < k; ++h) {
				C[i*n+j] += A[i*k+h] * B[h*n+j];
			}
		}
	}
}

int main(int argc, char **argv)
{
	m = atoi(argv[1]); n = m; k = m;

	A = (double *) malloc (m * k * sizeof(double));
	B = (double *) malloc (k * n * sizeof(double));
	C = (double *) malloc (m * n * sizeof(double));

	compute ();

	free(A);
	free(B);
	free(C);
}