policefm.cpp: In function `int prim(int)': policefm.cpp:12: warning: assignment to `int' from `double' policefm.cpp:12: warning: argument to `int' from `double' policefm.cpp:7: warning: unused variable `int y' policefm.cpp: In function `int main()': policefm.cpp:32: warning: int format, different type arg (arg 2)