foo.cc: In function 'int main()':
foo.cc:43:32: warning: 't' may be used uninitialized [-Wmaybe-uninitialized]
   43 |     cout << a[n - 1] << " " << t;
      |                                ^
foo.cc:26:9: note: 't' was declared here
   26 |     int t;
      |         ^

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