/in/foo.c:2:1: warning: data definition has no type or storage class
 FindMin(int n,int a[10000]);
 ^~~~~~~
/in/foo.c:2:1: warning: type defaults to 'int' in declaration of 'FindMin' [-Wimplicit-int]
/in/foo.c:12:1: warning: return type defaults to 'int' [-Wimplicit-int]
 FindMin(int n,int a[10000])
 ^~~~~~~