/in/foo.c:2:1: warning: return type defaults to 'int' [-Wimplicit-int]
 FindiMax(int a[],int num)
 ^~~~~~~~
/in/foo.c:14:1: warning: return type defaults to 'int' [-Wimplicit-int]
 main()
 ^~~~
/in/foo.c: In function 'FindiMax':
/in/foo.c:12:9: warning: 'FindiMax' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return FindiMax;
         ^~~~~~~~
/in/foo.c: In function 'main':
/in/foo.c:26:2: warning: 'FindiMax' may be used uninitialized in this function [-Wmaybe-uninitialized]
  printf("%d",FindiMax(a,n));
  ^~~~~~~~~~~~~~~~~~~~~~~~~~