Tìm Khách Hàng Có Số Tiền Nhỏ Nhất (NEXT)

#include<iostream>
#include<string>
using std::cout;
using std::endl;
struct khachHang{
	std::string MKH;
	std::string hoVaten;
	unsigned int Tien;
};
void Nhap(khachHang &kh){
	fflush(stdin);
	cout << "
Moi Ban Nhap Ma Khach Hang: ";	
	std::getline(std::cin, kh.MKH);
	fflush(stdin);
	cout << "
Moi Ban Nhap Ho va Ten Khach Hang: ";
	getline(std::cin, kh.hoVaten);
	cout << "
Moi Ban Nhap Tien Cua Khach: ";
	std::cin >> kh.Tien;
}
void Xuat(khachHang kh){
	cout << "
Ma Cua Khach: ";
	cout << kh.MKH;
	cout << "
Ho Va Ten Cua Khach: ";
	cout << kh.hoVaten;
	cout << "
So Tien Cua Khach: ";
	cout << kh.Tien;
}
void NhapDs(khachHang a[], int n){
	for (int i = 0; i < n;i++)
	{
		cout << "
Nhap Khach Hang Thu : " << i + 1;
		Nhap(a[i]);
	}
}
void XuatDs(khachHang a[], int n){
	for (int i = 0; i < n;i++)
	{
		cout << "
Thong Tin Khach Hang Thu : " << i + 1;
		Xuat(a[i]);
		cout << endl;
	}
}
struct quanLyKh{
	khachHang *list = new khachHang[50];
	
};
khachHang timtienMin(quanLyKh QLKH,int n){
	khachHang kHmin = QLKH.list[0];
	int Tien_min = 0;
	int viTrikhachhang = 0;
	for (int i = 0; i < n;i++)
	{
		if (kHmin.Tien > Tien_min){
			kHmin = QLKH.list[i];
			Tien_min = QLKH.list[i].Tien;		
			viTrikhachhang = i;
	}
	}
	return kHmin;
}

void main(){
	khachHang a[50];
	int n;
	quanLyKh qlkh;
	qlkh.list ;
	do
	{
		cout << "
 Moi ban nhap so luong khach hang: ";
		std::cin >> n;
		if (n < 0)
		{
			cout << "
 Nhap sai yeu cau nhap lai!";
		}
	} while (n < 0);
	NhapDs(a, n);
	cout << "

		\\\\\\\\\\\\\\\\\\\\\

	";
	XuatDs(a, n);
	fflush(stdin);
	khachHang KHmin1 = timtienMin(qlkh,n);
	fflush(stdin);
	cout << "
 khach hang co tien min la :" << endl;
	Xuat(KHmin1);
}	

Chạy ngon lành nhưng k in ra kết quả như mong muốn