/in/foo.cc: In function 'int iset(int*, int, int*, int, int*)':
/in/foo.cc:16:6: warning: unused variable 'i' [-Wunused-variable]
  int i=0,k=0;
      ^
/in/foo.cc: In function 'int cp(int*, int, int*)':
/in/foo.cc:30:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:47:22: warning: 'memset' used with constant zero length parameter; this could be due to transposed parameters [-Wmemset-transposed-args]
  memset(h,sizeof(h),0);
                      ^