到底哪错了。。。

#pragma warning(disable:4996)

#include <deque>

#include <iostream>

using namespace std;

int main(void)

{

freopen("in.txt", "r", stdin);

int T;

cin >> T;

while (T--)

{

int n;

cin >> n;

deque<int> que;

for (int i = n; i > 0; --i)

{

que.push_front(i);

int x = que.back();

que.pop_back();

que.push_front(x);

}

for (int i = 0; i < n - 1; ++i)

cout << que[i] << " ";

cout << que[n - 1] << endl;

} 

}