/in/foo.cc: In function 'int main()':
/in/foo.cc:13:17: warning: 'c' may be used uninitialized [-Wmaybe-uninitialized]
   13 |         cout<<b/c<<endl;
      |                 ^
/in/foo.cc:5:25: note: 'c' was declared here
    5 |         int a = 1,b = 1,c,n;
      |                         ^