View Compilation Error

0_0_36594138_19497.cpp: In function 'int main()':
0_0_36594138_19497.cpp:59:15: error: request for member 'size' in 's', which is of non-class type 'char [200008]'
   demo.init(s.size());
               ^
0_0_36594138_19497.cpp:62:25: error: request for member 'length' in 's', which is of non-class type 'char [200008]'
   for (int i = 0; i < s.length(); i++) {
                         ^
0_0_36594138_19497.cpp:69:25: error: request for member 'length' in 's', which is of non-class type 'char [200008]'
   for (int i = 0; i < s.length(); i++) {
                         ^