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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.  
  8.  
  9.     int freq[26]{};
  10.  
  11.     int n;
  12.     cin>>n;
  13.  
  14.     char c;
  15.  
  16.     bool AllColored = false;
  17.  
  18.  
  19.     // aabddc
  20.     for(int i=0; i < n ; i++)
  21.     {
  22.         cin>>c;
  23.         freq[c - 'a']++;
  24.     }
  25.  
  26.     // 0(a)  1(b)  2(c)  3(d)
  27.     // 2      1     1      2 
  28.  
  29.     // for(int i = 0; i<26; i++)
  30.     // {
  31.     //     cout<<freq[i]<<endl;
  32.     // }
  33.  
  34.     for(int i=0; i<26; i++)
  35.     {
  36.         if(freq[i] >= 2 || n == 1)
  37.         {
  38.             AllColored = true;
  39.             break;
  40.         }
  41.     }
  42.  
  43.     if(AllColored)
  44.     {
  45.         cout<<"Yes";
  46.     }
  47.     else 
  48.     {
  49.         cout<<"No";
  50.     }
  51. }
Success #stdin #stdout 0.01s 5312KB
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https://ideone.com/zfcp1L
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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