foo.c: In function 'main':
foo.c:42:9: warning: 'gets' is deprecated [-Wdeprecated-declarations]
   42 |         gets(x);
      |         ^~~~
In file included from foo.c:1:
/nix/store/linb70pgp53f0kygxm5wk163dx22d681-glibc-2.37-45-dev/include/stdio.h:605:14: note: declared here
  605 | extern char *gets (char *__s) __wur __attribute_deprecated__;
      |              ^~~~
foo.c:49:9: warning: 'Sort1' accessing 4 bytes in a region of size 0 [-Wstringop-overflow=]
   49 |         Sort1(a,n);
      |         ^~~~~~~~~~
foo.c:49:9: note: referencing argument 1 of type 'int[0]'
foo.c:10:6: note: in a call to function 'Sort1'
   10 | void Sort1(int a[],int n)
      |      ^~~~~
foo.c:55:9: warning: 'Sort2' accessing 4 bytes in a region of size 0 [-Wstringop-overflow=]
   55 |         Sort2(a,n);
      |         ^~~~~~~~~~
foo.c:55:9: note: referencing argument 1 of type 'int[0]'
foo.c:25:6: note: in a call to function 'Sort2'
   25 | void Sort2(int a[],int n)
      |      ^~~~~
/nix/store/3r87a2wq1w4l66wnsm7rqvy608mx23h6-binutils-2.40/bin/ld: /tmp/ccELUGby.o: in function `main':
foo.c:(.text.startup+0x14): warning: the `gets' function is dangerous and should not be used.

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