int a[3][9] = {0};
/*
00 01 02 03 04 05
0 1 2 3 4 5
10 11 12 13 14 15
6 7 8 9 10 11
20 21 22 23 24 25
12 13 14 15 16 17
*/
for ( int i = 0; i < 27; i++ )
{
a[i / 9][i % 9] = i;
}
int a[3][9] = {0};
/*
00 01 02 03 04 05
0 1 2 3 4 5
10 11 12 13 14 15
6 7 8 9 10 11
20 21 22 23 24 25
12 13 14 15 16 17
*/
for ( int i = 0; i < 27; i++ )
{
a[i / 9][i % 9] = i;
}