foo.cc: In function 'int gotbaha(int)':
foo.cc:27:31: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]
  cout << n << '=' << b << '+' << c;
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
foo.cc:27:27: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
  cout << n << '=' << b << '+' << c;
                           ^~~

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