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  1. #include <iostream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int n, last_dist, current_dist, min_dist = 0, a[101];
  7. 	cin >> n;
  8. 	for (int i = 0; i < n; i++) {
  9. 		cin >> a[i];
  10. 	}
  11. 	sort(a, a + n);
  12. 	min_dist =  2 * a[0];
  13. 	for (int i = 1; i < n; i++) {
  14. 		last_dist = a[i];
  15. 		if (a[i] - a[i - 1] > 0) {
  16. 			min_dist += a[i] - a[i - 1];
  17. 		}
  18. 		min_dist += a[i];
  19. 	}
  20. 	cout << min_dist << "\n";
  21. 	return 0;
  22. }
Success #stdin #stdout 0.01s 5532KB
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https://ideone.com/JtuR5f
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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