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Zinak

Untitled

Oct 24th, 2019
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C++ 0.52 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5.     int n,i;
  6.      set<char>::iterator it1;
  7.     string si;
  8.     set<char>s;
  9.     cin>>n;
  10.     while(n--){
  11.         cin>>si;
  12.         si+='1';
  13.  
  14.         for(i=0;i<si.size()-1;i++){
  15.             if(si[i+1]!=si[i])s.insert(si[i]);
  16.             else i++;
  17.         }
  18.         if(s.empty())cout<<endl;
  19.         else{
  20.         for (it1 = s.begin(); it1!=s.end();  ++it1)
  21.         cout << *it1;
  22.         cout<<endl;
  23.         }
  24.         s.clear();
  25.     }
  26.  
  27.     return 0;
  28. }
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