void fun (char *s, char *t, char *u)
{ int i, j, sl, tl;
sl = strlen(s); tl = strlen(t);
for (i=0; i { for (j=0; j if (s[i] == t[j]) break;
/************found************/
if (j *u++ = s[i];
}
for (i=0; i { for (j=0; j if (t[i] == s[j]) break;
/************found************/
if (j *u++ = t[i];
}
*u = '\0';
}

main()
{ char s[100], t[100], u[100];
clrscr();
printf("\nPlease enter string s:"); scanf("%s", s);
printf("\nPlease enter string t:"); scanf("%s", t);
fun(s, t, u);
printf("The result is: %s\n", u);
}
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所需数据 :
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#2
@1 001006
if(j=tl)
if(!(jif(tlif(!(tlj))
if(j==tl)
if(tl==j)
@2 001006
if(j=sl)
if(!(jif(slif(!(slj))
if(sl==j)
if(j==sl)