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Rimifawfaw

unique string

Nov 4th, 2019
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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. bool unique(string str)
  4. {
  5.  
  6.  
  7. sort(str.begin(), str.end());
  8.  
  9. for (int i = 0; i < str.length(); i++) {
  10.  
  11. if (str[i] == str[i + 1]) {
  12. return false;
  13. }
  14. }
  15. return true;
  16. }
  17. int main()
  18. {
  19. long long int i,j,k,m=0,l,n,o=0,p=0,x;
  20. map<char ,int> ma,mb;
  21. map<char ,int> ::iterator im;
  22. string s,c;
  23. cin>>x>>m;
  24. int one=0,two=0,three=0,four=0,five=0,six=0,seven=0,eight=0,nine=0,zero=0;
  25. p=0;
  26. for(i=x;i<=m;i++)
  27. {
  28.  
  29. ostringstream s;
  30. s << i;
  31. string c = s.str();
  32. if(unique(c))
  33. {
  34. p=i;
  35. }
  36.  
  37. }
  38. if(p>0)
  39. {
  40. cout<<p<<endl;
  41. }
  42. else
  43. {
  44. cout<<-1<<endl;
  45. }
  46.  
  47. }
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