/in/foo.cc: In function 'int main()':
/in/foo.cc:8:2: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
gets(s);
^~~~
In file included from /in/foo.cc:1:0:
/usr/include/stdio.h:640:14: note: declared here
extern char *gets (char *__s) __wur __attribute_deprecated__;
^~~~
/in/foo.cc:8:8: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
gets(s);
^
In file included from /in/foo.cc:1:0:
/usr/include/stdio.h:640:14: note: declared here
extern char *gets (char *__s) __wur __attribute_deprecated__;
^~~~
/in/foo.cc:10:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while(right<=strlen(s))
~~~~~^~~~~~~~~~~
/tmp/ccEWxRQK.o: In function `main':
foo.cc:(.text.startup+0x2c): warning: the `gets' function is dangerous and should not be used.