#include <stdint.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
	int R = atoi(argv[1]);
	int C = atoi(argv[2]);

	int *A = malloc(sizeof(int)*R*C);
	for (int r = 0 ; r < R; ++r)
		for(int c = 0 ; c < C; ++c)
			A[r*C + c] = r - c;
}