foo.cc: In function 'int main()':
foo.cc:6:33: warning: 'a' is used uninitialized [-Wuninitialized]
    6 |         cout<<setw(9)<<a<<setw(9)<<b<<setw(9)<<c<<endl;
      |                                 ^
foo.cc:6:45: warning: 'b' is used uninitialized [-Wuninitialized]
    6 |         cout<<setw(9)<<a<<setw(9)<<b<<setw(9)<<c<<endl;
      |                                             ^
foo.cc:6:48: warning: 'c' is used uninitialized [-Wuninitialized]
    6 |         cout<<setw(9)<<a<<setw(9)<<b<<setw(9)<<c<<endl;
      |                                                ^

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