for (j = 0; j < n/2; j++) {
int k;
int g[4];
- int p[4] = {
- j*w+i,
- i*w+(n-j-1),
- (n-j-1)*w+(n-i-1),
- (n-i-1)*w+j
- };
+ int p[4];
+
+ p[0] = j*w+i;
+ p[1] = i*w+(n-j-1);
+ p[2] = (n-j-1)*w+(n-i-1);
+ p[3] = (n-i-1)*w+j;
for (k = 0; k < 4; k++)
g[k] = grid[p[k]];