View Compilation Error

0_0_26560891_11862.cpp: In function 'int main()':
0_0_26560891_11862.cpp:8:13: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
         a[i]="";
             ^
0_0_26560891_11862.cpp:9:13: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
         z[i]="";
             ^
0_0_26560891_11862.cpp:14:17: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
             z[i]="";
                 ^
0_0_26560891_11862.cpp:34:21: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
                 a[i]="";
                     ^