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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	int n;
  8. 	cin >> n;
  9. 	vector<int> a(n);
  10. 	for (int i = 0; i < n; i++) {
  11. 		cin >> a[i];
  12. 	}
  13. 	vector<int> d(n+1, 1000000000);
  14. 	for (int i = 0; i < n; i++) {
  15. 		*lower_bound(d.begin(), d.end(), a[i]) = a[i];
  16. 	}
  17. 	for (int i = 0; i <= n; i++) {
  18. 		if (d[i] == 1000000000) {
  19. 			cout << i << endl;
  20. 			return 0;
  21. 		}
  22. 	}
  23. }
  24.  
Success #stdin #stdout 0s 3432KB
comments (?)
stdin 
6
4 5 1 2 2 3
stdout 
3
https://ideone.com/Vzvbyu
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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