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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n;
  7. 	cin >> n;
  8. 	vector<int> b(n);
  9. 	for (int i = 0; i < n; ++i) {
  10. 		b[i] = i;
  11. 	}
  12. 	for (int i = 0; i < n; ++i) {
  13. 		int pos = rand() % n;
  14. 		swap(b[i], b[pos]);
  15. 	}
  16. 	for (int i = 0; i < n; ++i) {
  17. 		if (b[i] == 4 && i != 0) {
  18. 			swap(b[i], b[0]);
  19. 			break;
  20. 		}
  21. 	}
  22. 	for (int i = 0; i < n; ++i) {
  23. 		cout << b[i] + 1 << " ";
  24. 	}
  25. 	return 0;	
  26. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
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10
stdout
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5 9 3 4 6 1 2 8 10 7
https://ideone.com/BZ06rn
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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