e2_3/4/2019

#include <iostream>
using namespace std;

int main()
{
 unsigned n,i,v[1000],cif[1000],aux,j;
 cout<<"n=";cin>>n;
 for (i=0;i<n;i++)
 cin>>v[i];
 for (i=0;i<n;i++)
 {
     while (v[i]>10)
         v[i]/=10;
         cif[i]=v[i];
 }
 for (i=0;i<n-1;i++)
  for (j=i+1;j<n;j++)
    if (cif[i]>cif[j])
  {
      aux=cif[i];
      cif[i]=cif[j];
      cif[j]=aux;
  }
  for (i=0;i<n;i++)
    cout<<cif[i];
    return 0;
}