直接sort启动！

#include<bits/stdc++.h>
#define int long long
#define INF 0x3f3f3f
using namespace std;
int n=1,a[30001];
signed main(){
	while(cin>>a[n])n++;
	n--;
	sort(a+1,a+n+1);
	cout<<"[";
	for(int i=1;i<n;i++)
		cout<<a[i]<<", ";
	cout<<a[n]<<"]";
	return 0;
}