View Compilation Error

0_0_16324373_2493.c: In function 'main':
0_0_16324373_2493.c:18:6: error: expected expression before '/' token
      //printf("xxx: %d %d %d", a[i][j], a[i-1][j-1], a[i-1][j]);
      ^
0_0_16324373_2493.c:20:6: error: expected expression before '/' token
      //printf("yyy: %d ", a[i][j]);
      ^