/in/foo.cc: In function 'int main()':
/in/foo.cc:12:5: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
gets(k);
^~~~
In file included from /usr/include/c++/6/cstdio:42:0,
from /usr/include/c++/6/ext/string_conversions.h:43,
from /usr/include/c++/6/bits/basic_string.h:5417,
from /usr/include/c++/6/string:52,
from /usr/include/c++/6/bits/locale_classes.h:40,
from /usr/include/c++/6/bits/ios_base.h:41,
from /usr/include/c++/6/ios:42,
from /usr/include/c++/6/ostream:38,
from /usr/include/c++/6/iostream:39,
from /in/foo.cc:1:
/usr/include/stdio.h:640:14: note: declared here
extern char *gets (char *__s) __wur __attribute_deprecated__;
^~~~
/in/foo.cc:12:11: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
gets(k);
^
In file included from /usr/include/c++/6/cstdio:42:0,
from /usr/include/c++/6/ext/string_conversions.h:43,
from /usr/include/c++/6/bits/basic_string.h:5417,
from /usr/include/c++/6/string:52,
from /usr/include/c++/6/bits/locale_classes.h:40,
from /usr/include/c++/6/bits/ios_base.h:41,
from /usr/include/c++/6/ios:42,
from /usr/include/c++/6/ostream:38,
from /usr/include/c++/6/iostream:39,
from /in/foo.cc:1:
/usr/include/stdio.h:640:14: note: declared here
extern char *gets (char *__s) __wur __attribute_deprecated__;
^~~~
/in/foo.cc:28:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(k[j]=='.'&&j==strlen(k)-1){
~^~~~~~~~~~~~~
/in/foo.cc:11:9: warning: unused variable 'i' [-Wunused-variable]
int i=0,j=0,xsd=0;
^
/tmp/ccNnbdoM.o: In function `main':
foo.cc:(.text.startup+0xf): warning: the `gets' function is dangerous and should not be used.
