foo.cc:47:2: warning: "/*" within comment [-Wcomment]
   47 |  /*
      |   
foo.cc: In function 'int main()':
foo.cc:68:7: error: 'f' was not declared in this scope
   68 |    if(f>10000)
      |       ^
foo.cc:72:11: error: redeclaration of 'int f'
   72 |     int e,f;
      |           ^
foo.cc:68:7: note: '<typeprefixerror>f' previously declared here
   68 |    if(f>10000)
      |       ^

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