사전 순서가 작다

# include & ltstring.h & gt

Int main ()

{

Void swap(char *, char *);

Char s1[31], S2 [31], S3 [31];

Scanf ('%s% s% s', s 1, S2, S3);

If(strcmp(s 1, S2) "0) swap (s1,S2);

If(strcmp(s 1, S3) "0) swap (s1,S3);

If(strcmp(S2, S3)& gt；; 0) 교환 (S2, S3);

Printf(“% s% s% s \ n', s 1, S2, S3);

0 을 반환합니다

}

Void 교환 (char *p 1, char *p2)

{

Char p [31];

Strcpy(p, p1); Strcpy(p 1, p2); Strcpy(p2, p);

}