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#include <bits/stdc++.h> using namespace std; int main() { string n; cin>>n; set<char>st; for (char x : name) { st.insert(x); } if(st) return 0; }
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#include <bits/stdc++.h> using namespace std; int main() { string n; cin>>n; set<char>st; for (char x : name) { st.insert(x); } if(st) return 0; }