Accepted
/in/foo.c: In function 'main': /in/foo.c:11:1: warning: 'gets' is deprecated [-Wdeprecated-declarations] gets(line); ^~~~ 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: In function 'longest': /in/foo.c:50:7: warning: 'point' may be used uninitialized in this function [-Wmaybe-uninitialized] return(place); ^ /tmp/cc1Ehnpy.o: In function `main': foo.c:(.text.startup+0x9): warning: the `gets' function is dangerous and should not be used.
代码
#include <stdio.h>
#include <string.h>
int main()
{
int alphabetic(char);
int longest(char []);
int i;
char line[100];
//printf("input one line:\n");
gets(line);
//printf("The longest word is :");
for(i=longest(line);alphabetic(line[i]);i++)
printf("%c",line[i]);
//printf("\n");
return 0;
}
int alphabetic(char c)
{
if ((c>='a' && c<='z')||(c>='A'&&c<='z'))
return(1);
else
return(0);
}
int longest(char string[])
{
int len=0,i,length=0,flag=1,place=0,point;
for(i=0;i<=strlen(string);i++)
if(alphabetic(string[i]))
if(flag)
{
point=i;
flag=0;
}
else
len++;
else
{
flag=1;
if(len>=length)
{
length=len;
place=point;
len=0;
}
}
return(place);
}