/in/foo.cc: In function 'int main()':
/in/foo.cc:21:5: 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:21:11: 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:38:5: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
     gets(k);
     ^~~~
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:38:11: warning: 'char* gets(char*)' is deprecated [-Wdeprecated-declarations]
     gets(k);
           ^
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:11:8: warning: unused variable 'x' [-Wunused-variable]
    int x=0,t=0,i,m=0;
        ^
/in/foo.cc:11:18: warning: unused variable 'm' [-Wunused-variable]
    int x=0,t=0,i,m=0;
                  ^
/tmp/ccKmrG2r.o: In function `main':
foo.cc:(.text.startup+0x4e): warning: the `gets' function is dangerous and should not be used.