/in/foo.cc: In function 'int main()':
/in/foo.cc:6:23: error: expected ';' before 'for'
    6 |         getline(cin,s)
      |                       ^
      |                       ;
    7 |         for(int i=0;i<s.size();i++)
      |         ~~~            
/in/foo.cc:7:21: error: 'i' was not declared in this scope
    7 |         for(int i=0;i<s.size();i++)
      |                     ^