answer.code:10:21: error: expected ‘,’ or ‘;’ before numeric constant
   10 | ld eps = 0.00000000 0001;
      |                     ^~~~
answer.code: In function ‘int main()’:
answer.code:51:12: error: redeclaration of ‘std::string s’
   51 |     string s;
      |            ^
answer.code:29:12: note: ‘std::string s’ previously declared here
   29 |     string s;
      |            ^
answer.code:53:9: error: redeclaration of ‘int ans’
   53 |     int ans = 1e9;
      |         ^~~
answer.code:39:9: note: ‘int ans’ previously declared here
   39 |     int ans = 1e9;
      |         ^~~