View Compilation Error

0_0_30384938_27260.cpp: In function 'int Manacher(char*)':
0_0_30384938_27260.cpp:81:6: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
  s[0]="$";s[1]="#";
      ^
0_0_30384938_27260.cpp:81:15: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
  s[0]="$";s[1]="#";
               ^