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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	string input;
  6. 	cin >> input;
  7. 	int LIS[55];
  8. 	LIS[0] = 1;
  9. 	for(int i = 1; i < input.size(); i++) {
  10. 		LIS[i] = 1;
  11. 		for(int j = 0; j < i; j++)
  12. 			if(input[j] < input[i])
  13. 				LIS[i] = max(LIS[i], LIS[j]+1);
  14. 	}
  15. 	int ans = -1;
  16. 	for(int i = 0; i < input.size(); i++)
  17. 		ans = max(ans, LIS[i]);
  18. 	cout << 26-ans << endl;
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 5308KB
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20
https://ideone.com/MX7yN4
language:
C++ (gcc 8.3)
created:
12 days ago
visibility:
public

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