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  1. #include <iostream>
  2. using namespace std;
  3. int n,m,x;
  4.  
  5. int main() {
  6. 	cin >> n >> m;
  7. 	if (n==1){
  8. 		cout << -1;
  9. 		return 0;
  10. 	}
  11. 	int lista[n+1];
  12. 	lista[1] = n;
  13. 	for(int i=2; i<=n; i++){
  14. 		lista[i] = i-1;
  15. 	}
  16. 	for(int j=1; j<=m; j++){
  17. 		x = lista[1];
  18. 		lista[1] = lista[n-(j-1)];
  19. 		lista[n-(j-1)] = x;
  20. 	}
  21. 	for(int i=1; i<=n; i++){
  22. 		cout << lista[i] << " ";
  23. 	}
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 15232KB
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stdin
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stdout
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https://ideone.com/4qkrAH
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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