foo.cc: In function 'int main()':
foo.cc:53:11: warning: 'cnt' may be used uninitialized [-Wmaybe-uninitialized]
   53 |     printf("%d",cnt);
      |     ~~~~~~^~~~~~~~~~
foo.cc:44:9: note: 'cnt' was declared here
   44 |     int cnt;
      |         ^~~

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