#include<iostream>
using namespace std;
int n;
void lan(int a[],int size){
for(int i = 0;i < size;i++){
for(int j = 0;j < i;j++){
if(a[i] < a[j]){
int temp = a[j];
a[j] = a[i];
a[i] = temp;
}
}
}
}
int main(int argc,char** argv){
cout << "请输入要排序的数组的项数" << endl;
cin >> n;
int a[n];
for(int i = 0;i < n;i++){
cout << "请输入数组的第" << i + 1 << "个元素的值" << endl;
cin >> a[i];
}
cout << "该数组所有的值如下" << endl;
for(int i = 0;i < n;i++)
cout << a[i] << " ";
lan(a,n);
cout << endl;
cout << "经排序后的数组各元素如下" << endl;
for(int i = 0;i < n;i++)
cout << a[i] << " ";
}