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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. void tabswap(vector<int> &a, int x, int &k, int &m) {
  7. 	int t = 0;
  8. 	k = -1;
  9. 	m = a.size();
  10. 	while (t < m) {
  11. 		if (a[t] > x) {
  12. 			m--;
  13. 			swap (a[t], a[m]);
  14. 		} 
  15. 		else {
  16. 			if (a[t] < x) {
  17. 				k++;
  18. 				swap(a[k], a[t]);
  19. 			} 
  20. 			t++;
  21. 		}
  22. 	}
  23. }
  24.  
  25. int main() {
  26. 	int n;
  27. 	cin >> n;
  28.  
  29. 	vector <int> a(n, 0);
  30. 	for (int i = 0; i < n; i++) {
  31. 		cin >> a[i];
  32. 	}
  33. 	int k = 0;
  34. 	int m = 0;
  35. 	int x;
  36. 	cin >> x;
  37.  
  38. 	tabswap(a, x, k, m);
  39.  
  40. 	for(int i = 0; i < n; i++) {
  41. 		cout << a[i] << " ";
  42. 	}
  43. 	cout << endl;
  44.  
  45. 	cout << "k =  " << k << " m =  " << m << endl;
  46.  
  47. 	return 0;
  48. }
Success #stdin #stdout 0s 5268KB
comments (?)
stdin 
8 20 42 18 15 9 30 20 10
15
stdout 
10 9 15 18 30 20 42 20 
k =  1 m =  3
https://ideone.com/kOAI4i
language:
C++ (gcc 8.3)
created:
9 days ago
visibility:
public

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