/in/foo.cc: In function 'int main()':
/in/foo.cc:17:13: warning: 'd' may be used uninitialized [-Wmaybe-uninitialized]
   17 |         int e=c/d;
      |             ^
/in/foo.cc:6:21: note: 'd' was declared here
    6 |         int n,a,b,c,d,i;
      |                     ^
/in/foo.cc:17:13: warning: 'c' may be used uninitialized [-Wmaybe-uninitialized]
   17 |         int e=c/d;
      |             ^
/in/foo.cc:6:19: note: 'c' was declared here
    6 |         int n,a,b,c,d,i;
      |                   ^