foo.cc: In function 'int main()':
foo.cc:10:15: error: expected ';' before 'int'
   10 |         cin>>c
      |               ^
      |               ;
   11 |         int pj;
      |         ~~~    
foo.cc:12:9: error: 'pj' was not declared in this scope
   12 |         pj=(a+b+c)/3*1.0;
      |         ^~

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