foo.cc: In function 'int main()':
foo.cc:85:9: error: expected primary-expression before '}' token
   85 |         }
      |         ^
foo.cc: At global scope:
foo.cc:87:5: error: expected declaration before '}' token
   87 |     }
      |     ^
foo.cc:88:11: error: expected constructor, destructor, or type conversion before '(' token
   88 |     printf("%0.2lf",ans);
      |           ^
foo.cc:89:5: error: expected unqualified-id before 'return'
   89 |     return 0;
      |     ^~~~~~
foo.cc:90:1: error: expected declaration before '}' token
   90 | }
      | ^

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