/in/foo.cc: In function 'int main()':
/in/foo.cc:16:22: warning: format '%lf' expects argument of type 'double*', but argument 2 has type 'int*' [-Wformat=]
   scanf("%lf%d",&n,&p);
                      ^
/in/foo.cc:16:22: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'double*' [-Wformat=]