/in/foo.cc: In function 'int main()':
/in/foo.cc:33:19: warning: format '%f' expects argument of type 'float*', but argument 2 has type 'int*' [-Wformat=]
   scanf("%f",&a[i]);
                   ^
/in/foo.cc:34:17: error: cannot convert 'int*' to 'float*' for argument '1' to 'ZX wang(float*, int)'
  ZX zx=wang(a,10);
                 ^