foo.cc: In function 'int main()':
foo.cc:16:13: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
   16 |     gets(tmp);
      |             ^
In file included from /usr/include/stdio.h:867,
                 from /usr/include/c++/9/cstdio:42,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:46,
                 from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
  235 | gets (char *__str)
      | ^~~~
foo.cc:16:13: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
   16 |     gets(tmp);
      |             ^
In file included from /usr/include/stdio.h:867,
                 from /usr/include/c++/9/cstdio:42,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:46,
                 from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
  235 | gets (char *__str)
      | ^~~~
foo.cc:20:18: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
   20 |         gets(g[i]);
      |                  ^
In file included from /usr/include/stdio.h:867,
                 from /usr/include/c++/9/cstdio:42,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:46,
                 from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
  235 | gets (char *__str)
      | ^~~~
foo.cc:20:18: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
   20 |         gets(g[i]);
      |                  ^
In file included from /usr/include/stdio.h:867,
                 from /usr/include/c++/9/cstdio:42,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:46,
                 from foo.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:235:1: note: declared here
  235 | gets (char *__str)
      | ^~~~
foo.cc:16:9: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result [-Wunused-result]
   16 |     gets(tmp);
      |     ~~~~^~~~~
foo.cc:20:13: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result [-Wunused-result]
   20 |         gets(g[i]);
      |         ~~~~^~~~~~
In file included from /usr/include/stdio.h:867,
                 from /usr/include/c++/9/cstdio:42,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:46,
                 from foo.cc:1:
In function 'char* gets(char*)',
    inlined from 'int main()' at foo.cc:20:13:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:239:22: 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/ccA8gqRB.o: in function `main':
foo.cc:(.text.startup+0x8e): warning: the `gets' function is dangerous and should not be used.
/usr/bin/ld: foo.cc:(.text.startup+0x41): warning: the `gets' function is dangerous and should not be used.

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Found 10 testcases.
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