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Card Trick Solution:
#include <bits/stdc++.h>
using namespace std;
int main(){
// #ifndef TESTING
// freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
// #endif
int cases;
cin >> cases;
int n_cards;
deque<int> deck;
while(cases--){
cin >> n_cards;
deck.push_back(n_cards);
while(--n_cards){
deck.push_back(n_cards);
for(int i = 0; i < n_cards; i++){
deck.push_back(deck.front());
deck.pop_front();
}
}
while(!deck.empty()){
cout << deck.back() << " ";
deck.pop_back();
}
cout << endl;
}
return 0;
}