Accepted
/in/foo.c: In function 'main':
/in/foo.c:7:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
gets(s1);
^~~~
In file included from /in/foo.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
extern char *gets (char *__s) __wur __attribute_deprecated__;
^~~~
/in/foo.c:8:5: warning: 'gets' is deprecated [-Wdeprecated-declarations]
gets(s2);
^~~~
In file included from /in/foo.c:1:0:
/usr/include/stdio.h:640:14: note: declared here
extern char *gets (char *__s) __wur __attribute_deprecated__;
^~~~
/tmp/ccUuWdCa.o: In function `main':
foo.c:(.text.startup+0x12): warning: the `gets' function is dangerous and should not be used.
代码
#include <stdio.h>
int main()
{
int i,resu;
char s1[100],s2[100];
gets(s1);
gets(s2);
i=0;
while((s1[i]==s2[i])&&(s1[i]!='\0'))
i++;
if(s1[i]=='\0'&&s2[i]=='\0')
resu=0;
else
resu=s1[i]-s2[i];
printf("%d\n",resu);
return 0;
}
