foo.c: In function 'main':
foo.c:9:16: warning: implicit declaration of function 'FindiMax' [-Wimplicit-function-declaration]
    9 |  printf("%d\n",FindiMax(a,x));
      |                ^~~~~~~~
foo.c:6:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    6 |  scanf("%d",&x);
      |  ^~~~~~~~~~~~~~
foo.c:8:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    8 |  scanf("%d",&a[i]);
      |  ^~~~~~~~~~~~~~~~~

[Hydro](https://hydro.ac)提供评测服务