/in/foo.cc: In function 'int main()':
/in/foo.cc:39:9: warning: unused variable 'mmin' [-Wunused-variable]
  double mmin=1000000.0;
         ^~~~
/in/foo.cc:51:28: warning: 'ans2' may be used uninitialized in this function [-Wmaybe-uninitialized]
  printf("%d\n%d",ans1,ans2);
                            ^
/in/foo.cc:51:28: warning: 'ans1' may be used uninitialized in this function [-Wmaybe-uninitialized]