foo.cc: In function 'int main()':
foo.cc:6:16: warning: 'n' is used uninitialized in this function [-Wuninitialized]
  int n,m,max=0,x=n,y=m;
                ^
foo.cc:6:20: warning: 'm' is used uninitialized in this function [-Wuninitialized]
  int n,m,max=0,x=n,y=m;
                    ^

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