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  1. #include<iostream>
  2. #include <set>
  3. #include<string>
  4. using namespace std;
  5. int main() {
  6.     string num;
  7.     cin >> num;
  8.     string s;
  9.     cin>>s;
  10.     int freq[26]{};
  11.    for (char i : s) freq[i-'a']++;
  12.    for (int  i = 0; i < 26; i++) {
  13.        while (freq[i]>0){
  14.            cout << char(i+'a');
  15.        freq[i]--;
  16.    }
  17.    }
  18. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/tuh3n1
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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