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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int t,res,tmp;
  5. string s;
  6. int d[100];
  7.  
  8. void giai()
  9. {
  10.     getline(cin,s);    	
  11.     for (int i=0;i<s.size();i++)
  12.     {
  13.         d[int(s[i])]++;
  14.     }
  15.     res=0;
  16.     for (int i=65;i<=90;i++)
  17. 	if (d[i]!=0)
  18.         res++;
  19.     cout << res << endl;
  20. }
  21.  
  22.  
  23. int main()
  24. {
  25. 	cin >> t;
  26.     for (int i=1;i<=t;i++)
  27.         giai();
  28. }
  29.  
Success #stdin #stdout 0s 5304KB
comments (?)
stdin 
2
AABDDC
NANGKHIEUTINHOC
stdout 
0
4
https://ideone.com/c6kkKa
KTKHAC
language:
C++ (gcc 8.3)
created:
19 days ago
visibility:
public

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