foo.c: In function 'main':
foo.c:30:9: error: too many arguments to function 'FindMax'
   30 |         FindMax(fan,n,cnt);
      |         ^~~~~~~
foo.c:2:5: note: declared here
    2 | int FindMax(int* fan, int n)
      |     ^~~~~~~
foo.c: In function 'FindMax':
foo.c:20:1: warning: control reaches end of non-void function [-Wreturn-type]
   20 | }
      | ^

[Hydro](https://hydro.ac)提供评测服务