View Compilation Error

0_0_14055949_27255.cpp: In function 'int main()':
0_0_14055949_27255.cpp:12:28: error: request for member 'size' in 'z', which is of non-class type 'char [3333333]'
         for (int j=0;j+1<z.size();j++){
                            ^
0_0_14055949_27255.cpp:18:26: error: request for member 'size' in 'z', which is of non-class type 'char [3333333]'
         for (int j=k;j<z.size();j++){
                          ^
0_0_14055949_27255.cpp:25:26: error: request for member 'size' in 'z', which is of non-class type 'char [3333333]'
         for (int j=k;j<z.size();j++){
                          ^