DEV-C++ 显示return出来问题 具体为：

[Error] named return values are no longer supported

#include <bits/stdc++.h>

using namespace std;

int n,k;


bool cmp(int x,int y) return x < y;

int main(){
	int a[n] = {};
    cin >> n,k;
    
    for(int i = 0;i < n;i++){
        cin >> a[i];
    }
    
    sort(a+0,a+n,cmp);
    
    cout << a[k];
	return 0;
}