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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int ok = 1;
  4. void result(int n, int x[]){
  5. 	for(int i = 1; i <= n;i++){
  6. 		cout << x[i];
  7. 	}cout << " ";
  8. }
  9. void next(int n, int x[]){
  10. 	int j = n-1;
  11. 	while(j > 0 && x[j] > x[j+1]){
  12. 		j--;
  13. 	}
  14. 	if(j>0){
  15. 		int k = n;
  16. 		while(x[j] > x[k])k--;
  17. 		int t = x[j];x[j]= x[k];x[k]=t;
  18. 		int  r = n, l = j + 1;
  19. 		while(l <= r){
  20. 			t = x[l];
  21. 			x[l]= x[r];
  22. 			x[r]= t;
  23. 			l++;r--;
  24. 		}
  25. 	}
  26. 	else ok = 0;
  27. }
  28. int main(){
  29. 	int t;
  30. 	cin >> t;
  31. 	while(t--){
  32. 		int n;
  33. 		cin >> n;
  34. 		int x[100];
  35. 		for(int i = 1; i <= n;i++){
  36. 			x[i] = i;}
  37. 		ok = 1;
  38. 		while(ok){
  39. 			result(n,x);
  40. 			next(n,x);
  41. 		}
  42. 		cout << endl;
  43. 	}
  44. 	return 0;
  45. }
Success #stdin #stdout 0s 5288KB
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https://ideone.com/94L3Ft
language:
C++14 (gcc 8.3)
created:
12 days ago
visibility:
public

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