foo.cc: In function 'int main()':
foo.cc:92:16: warning: 'mj2' may be used uninitialized in this function [-Wmaybe-uninitialized]
   92 |   cout<<mj2-1<<' ';
      |                ^~~
foo.cc:48:16: warning: 'mj2' may be used uninitialized in this function [-Wmaybe-uninitialized]
   48 |   cout<<mj2-1<<' ';
      |                ^~~

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