有下列程序： #include ＜stdio.h＞ #include "string.h" void tim(char *s[],int n) { char *t;int i,j; for(i=0;i＜n-1;i++) for(j=i+1;j＜n;j++) if(strlen(s[i])＞strlen(s[j])) {t=s[i];s[i]=s[j];s[j]=t;} } main() { char *ss[]= {"bcc","bbcc","xy","aaaacc","aabcc"}; fun(ss,5);printf("%s,%s\n",ss[0],ss[4]); } 程序的運(yùn)行結(jié)果是( )。

A．xy,aaaacc

B．a(chǎn)aaacc,xy

C．bcc,aabcc

D．a(chǎn)abcc,bcc

A解析：從main函數(shù)入手，定義了指向字符串的指針數(shù)組，并賦予了初始值，調(diào)用fun()函數(shù)，函數(shù)的功能是：比較數(shù)組中各個(gè)元素的長度，按元素長度從小到大排列數(shù)組元素，所以執(zhí)行fun(ss,5)函數(shù)后，*ss[]={"xy","bcc","bbcc","aabcc","aaaacc"}，所以調(diào)用printf函數(shù)輸出ss[0]，ss[4]的值分別為xy,aaaacc。