View Compilation Error

0_0_28690551_13876.cpp: In function 'int main()':
0_0_28690551_13876.cpp:131:38: error: request for member 'l' in 'a', which is of non-class type 'char [6]'
      printf("Free from %d to %d\n",a.l,a.r);
                                      ^
0_0_28690551_13876.cpp:131:42: error: request for member 'r' in 'a', which is of non-class type 'char [6]'
      printf("Free from %d to %d\n",a.l,a.r);
                                          ^