View Compilation Error

0_0_39367825_15536.cpp: In static member function 'static std::string converter::convert(int)':
0_0_39367825_15536.cpp:18:9: error: 'reverse' was not declared in this scope; did you mean 'reversed'?
   18 |         reverse(reversed.begin(), reversed.end());
      |         ^~~~~~~
      |         reversed