foo.c: In function 'main':
foo.c:12:3: warning: 'gets' is deprecated [-Wdeprecated-declarations]
   12 |   gets(s[i]);
      |   ^~~~
In file included from /usr/include/stdio.h:867,
                 from foo.c:3:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
  235 | gets (char *__str)
      | ^~~~
foo.c:10:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
   10 |  scanf("%d%d\n",&n,&m);
      |  ^~~~~~~~~~~~~~~~~~~~~
foo.c:12:3: warning: ignoring return value of 'gets', declared with attribute warn_unused_result [-Wunused-result]
   12 |   gets(s[i]);
      |   ^~~~~~~~~~
In file included from /usr/include/stdio.h:867,
                 from foo.c:3:
In function 'gets',
    inlined from 'main' at foo.c:12:3:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:239:10: warning: call to '__gets_warn' declared with attribute warning: please use fgets or getline instead, gets can't specify buffer size [-Wattribute-warning]
  239 |   return __gets_warn (__str);
      |          ^~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccMLH3gT.o: in function `main':
foo.c:(.text.startup+0x7b): warning: the `gets' function is dangerous and should not be used.

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