Run id: 153354

Main.cc: In function 'int main()':
Main.cc:10:17: error: cannot convert 'std::__cxx11::string {aka std::__cxx11::basic_string}' to 'const char*' for argument '1' to 'size_t strlen(const char*)'
   int l=strlen(a);
                 ^
Main.cc:14:22: error: expected primary-expression before ',' token
   for(int j=l-1;j>=0;,j--){
                      ^