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a guest Jun 24th, 2019 52 Never
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  1. string s=""; // declari un string
  2. int v[15];  // declari un vector de aparitii
  3. for(int i = 0;i <= 9;i++) // setezi toate valorile vectorului 0
  4.     v[i] = 0;
  5.  
  6. for(int i = 0;i < n;i++){// cand faci citirea
  7.     char Ch;
  8.     cin >> Ch;//citesti charul
  9.     if(Ch >= '0' && Ch <= '9'){//verifici daca e cifra
  10.         if(v[Ch - '0'] == 0)
  11.             v[Ch - '0'] = 1;//incremetezi vectorul ex : '0' are ascii 48 ,tu vrei sa incrementezi v[0] deci scazi '0'.Pt '1' avem ascii 49 si scadem '0' care vine v[1]
  12.     }else{
  13.         s += Ch; // altfel adaugam in string charul curent
  14.     }
  15. }
  16. cout << s << '\n'; // afisezi stringul
  17.  
  18. for(int i = 0;i < 10;i++)//afisezi cifrele care au v[index] = 1
  19.     if(v[i] == 1)
  20.         cout << i;
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