foo.cc: In function 'int FindMaxNeg(Node*)':
foo.cc:36:16: warning: 'max' may be used uninitialized [-Wmaybe-uninitialized]
   36 |         return max;
      |                ^~~
foo.cc:28:13: note: 'max' was declared here
   28 |         int max;
      |             ^~~
foo.cc: In function 'int main()':
foo.cc:48:15: warning: 'max' may be used uninitialized [-Wmaybe-uninitialized]
   48 |         printf("%d %d\n",a,b);
      |         ~~~~~~^~~~~~~~~~~~~~~
foo.cc:28:13: note: 'max' was declared here
   28 |         int max;
      |             ^~~
foo.cc:48:15: warning: 'max' may be used uninitialized [-Wmaybe-uninitialized]
   48 |         printf("%d %d\n",a,b);
      |         ~~~~~~^~~~~~~~~~~~~~~
foo.cc:28:13: note: 'max' was declared here
   28 |         int max;
      |             ^~~

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