foo.c: In function 'search':
foo.c:9:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    9 |  for(i=0; i<n; i++)
      |  ^~~
foo.c:12:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   12 |   return 0;
      |   ^~~~~~
foo.c: In function 'main':
foo.c:17:16: warning: unused variable 'mex' [-Wunused-variable]
   17 |  int n,a[1005],mex,i,j;
      |                ^~~
foo.c:18:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   18 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
foo.c:20:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   20 |   scanf("%d", &a[i]);
      |   ^~~~~~~~~~~~~~~~~~

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