foo.c: In function 'lnsert':
foo.c:16:1: warning: control reaches end of non-void function [-Wreturn-type]
16 | }
| ^
foo.c: In function 'main':
foo.c:20:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
20 | scanf("%d",&n);
| ^~~~~~~~~~~~~~
foo.c:22:3: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
22 | scanf("%d",&a[i]);
| ^~~~~~~~~~~~~~~~~
foo.c:23:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
23 | scanf("%d",&x);
| ^~~~~~~~~~~~~~
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