15 lines
480 B
C++
15 lines
480 B
C++
|
#include<bits/stdc++.h>
|
|||
|
|
|
|||
|
|
using namespace std;
|
|||
|
|
int n, k, a[10000];//定义变量和数组
|
|||
|
|
int main() {
|
|||
|
|
cin >> n >> k;
|
|||
|
|
for (int i = 0; i < n; i++)
|
|||
|
|
cin >> a[i];
|
|||
|
|
sort(a, a + n);//快排数组a
|
|||
|
|
int ans = unique(a, a + n) - a;//给数组a去重，并保留ans=去重后非伪的长度
|
|||
|
|
if (k < ans)
|
|||
|
|
cout << a[k - 1]; //如果去重以后k<=ans，则输出对应的数
|
|||
|
|
else cout << "NO RESULT";//否则输出 NO RESULT
|
|||
|
|
return 0;
|
|||
|
|
}
|