#include <iostream>

#define MBSIZE 16 /* size of a macroblock */
#define SEARCHSIZE 200 /* size of search area */

int blk[MBSIZE][MBSIZE]; /* the macroblock to be tested */
int search[SEARCHSIZE][SEARCHSIZE]; /* the search area */

int main (int argc, char * const argv[]) {
	int x, y, i, j, result, min=32767, minx=0, miny=0;
	/* search the entire search area */
	for (x=0; x<SEARCHSIZE-MBSIZE; x++)
		for (y=0; y<SEARCHSIZE-MBSIZE; y++) {
			/* perform a 2D correlation at <x,y> */
			for (i=0, result=0; i<MBSIZE; i++)
				for (j=0; j<MBSIZE; j++)
					result += abs(blk[i][j]-search[x+i][y+j]);
			/* compare result */
			if (result < min) { /* make this the best one */
				min = result;
				minx = x;
				miny = y;
            }
		}
	
    std::cout << "answer is " << min <<  " <" << x << "," << y << ">\n";
    return 0;
}