#include?<stdio.h>
int?getIndex(int?arr[5],int?value)
{
????int?i;
????int?index;
????for(i=0;i<5;i++)
????{
???????/*?請(qǐng)完善數(shù)組查詢功能?*/
???????if?(value?==?arr[i]?)
???????{
???????????index=?i;
???????????return?index;
???????}
??????????
???????
???????
???????
????}
????index=-1;
????return?index;
}

int?main()
{
????int?arr[5]={3,12,9,8,6};
????int?value?=?8;
????int?index?=?getIndex(arr?,?value);??????//這里應(yīng)該傳什么參數(shù)呢？
????if(index!=-1)
????{
????????printf("%d在數(shù)組中存在，下標(biāo)為：%d\n",value,index);?????????????
????}
????else
????{
????????printf("%d在數(shù)組中不存在。\n",value);????
????}
????return?0;????
}

arr[i]和value調(diào)換位置不影響吧