string_sorting.cpp

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int main()
{
      string strng;
      getline(cin, strng);
      char character[strng.length()];
      strcpy(character, strng.c_str());
      for (int iterator_1 = 0; iterator_1 < strng.length() - 1; iterator_1++)
      {
            if (character[iterator_1] >= char(33) && character[iterator_1] <= char(57))
            {
                  cout << "invalid string";

                  return 0;
            }
      }
      for (int iterator_2 = 0; iterator_2 < strng.length() - 1; iterator_2++)
      {
            for (int iterator_3 = 0; iterator_3 < strng.length() - iterator_2 - 1; iterator_3++)
            {

                  if (character[iterator_3] > character[iterator_3 + 1])
                  {
                        int reference = character[iterator_3];
                        character[iterator_3] = character[iterator_3 + 1];
                        character[iterator_3 + 1] = reference;
                  }
            }
      }
      for (int iterator_4 = 0; iterator_4 < strng.length(); iterator_4++)
      {

            cout << character[iterator_4];
      }
}