Sicily 1931. 卡片游戏

 1 #include <iostream>
 2 #include <queue>
 3 using namespace std;
 4 
 5 int main() {
 6     int t;
 7     cin >> t;
 8     while (t--) {
 9         int num;
10         cin >> num;
11         queue<int> store;
12         for (int i = 1; i <= num; i++) {
13             store.push(i);
14         }
15         for (int i = 1; i <= num; i++) {
16             cout << store.front() << " ";
17             store.pop();
18             int temp = store.front();
19             store.pop();
20             store.push(temp);
21         }
22         cout << endl;
23     }
24     
25     return 0;
26 }