array2_pointers_02
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#include <stdio.h>
int main(void) {
int a[3][4] = {{1,2,3,4}, {5,6,7,8}, {9,10,11,12}};
printf("%d %d %d %d\n",sizeof((int*)a), sizeof(a), sizeof(a[0]), sizeof(int)); // 8 48 16 4
int i = 1;
int j = 3;
printf("%d %d %d %d %d\n",
a[i][j],
(*(a+i))[j],
*((int*)(a+i)+j),
*((int*)a+i*4+j),
*((int*)a+i*sizeof(a[0])/sizeof(int)+j)
);
return 0;
}
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