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- #include<algorithm>
- using namespace std;
- void removeString(string s)
- {
- for(int i=0; i<s.length(); i++)
- {
- for(int j=(i+1); j>=0; j--)
- {
- if(s[i]==s[j])
- {
- s.erase(std::remove(s.begin(), s.end(), s[i]));
- }
- }
- }
- cout << s << endl;
- }
- int main()
- {
- string s;
- getline(cin,s);
- removeString(s);
- return 0;
- }
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