View Compilation Error

0_0_25312436_29712.cpp: In function 'int main()':
0_0_25312436_29712.cpp:20:6: error: invalid types 'int[int]' for array subscript
   c[0] = c[i-2];
      ^
0_0_25312436_29712.cpp:20:15: error: invalid types 'int[int]' for array subscript
   c[0] = c[i-2];
               ^