就这还困难？？？
特殊排序
https://www.nowcoder.com/practice/57f0f528bff149be9580af66f6292430
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
int n;
cin>>n;
int arr[1000];
for (int i = 0; i < n; ++i) {
cin >> arr[i];
}
sort(arr, arr + n);
std::cout<<arr[n-1]<<std::endl;
if (n == 1) {
std::cout << "-1" << std::endl;
} else {
for (int i = 0; i < n - 1; ++i) {
std::cout << arr[i]<<" ";
}
}
}
