编辑代码

#include<iostream>
using namespace std;
int serachArray(int searchKey, int a[], int N)
{
 int keyPos = -1;
 for (size_t i = 0; i < N; i++)
 {
  if (a[i] == searchKey)
  {
   keyPos = i; break;
  }
 }
 return keyPos;
}
int main()
{
 int KEY;
 cout << "请输入一个数值" << endl;
 cin >> KEY;
 int a[] = {11, 9,3,20,56,32};
 if (serachArray(KEY, a, 10) > 0)

 {
  cout << "Yes！" << endl;
  cout << "在数组a" << serachArray(KEY, a, 10) << "的位置" << endl;

 }
 else
 {
  cout << "No" << endl;
 }

}