foo.c: In function 'main':
foo.c:16:2: warning: statement with no effect [-Wunused-value]
   16 |  for(i; i<n ;i++)
      |  ^~~
foo.c: In function 'Search':
foo.c:12:1: warning: control reaches end of non-void function [-Wreturn-type]
   12 | }
      | ^
foo.c: In function 'main':
foo.c:15:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   15 |  scanf("%d\n",&n);
      |  ^~~~~~~~~~~~~~~~
foo.c:17:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   17 |   scanf("%d\n", &a[i]);
      |   ^~~~~~~~~~~~~~~~~~~~
foo.c:18:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   18 |  scanf("%d\n",&x);
      |  ^~~~~~~~~~~~~~~~
foo.c:14:19: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized]
   14 | { int a[9999],n,x,i;
      |                   ^

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