foo.cc: In function 'int main()':
foo.cc:23:29: warning: 'b[1]' may be used uninitialized [-Wmaybe-uninitialized]
   23 |         cout<<b[0]<<' '<<b[1];
      |                             ^
foo.cc:8:13: note: 'b[1]' was declared here
    8 |         int b[2];
      |             ^
foo.cc:23:21: warning: 'b[0]' may be used uninitialized [-Wmaybe-uninitialized]
   23 |         cout<<b[0]<<' '<<b[1];
      |                     ^~~
foo.cc:8:13: note: 'b[0]' was declared here
    8 |         int b[2];
      |             ^

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