#include<iostream>
#include <stdio.h>
#include<string>
using namespace std;

void main()
{
    char names[10][30];
    cout<<"plz enter ten names each of names to most 30 charcter"<<endl;
    for(int i=0;i<10;i++)
    {

    cin>>names[i];

    }
    char appe[1000] ={};
    for(int i=0;i<10;i++)
    {
    strcat(appe,names[i]);
        strcat(appe," ");

    }
    cout<<appe<<endl;

    int sum=0;
  for(int i=0;i<10;i++)
    sum+=strlen(names[i]);
  cout<<"the averge length for these name is : "<<sum/10.0<<endl;
  cout << "the alphabetical sort of these name is :  " ;
 char temp[30];

    int i,t;
    for( i=0;i<10;i++)
    {

    for( t=i+1;t<10;t++)
    if (strcmp(names[i],names[t])>0)
    {
    strcpy(temp,names[i]);
    strcpy(names[i],names[t]);
    strcpy(names[t],temp);}
    }
    cout<<"The alphabetical order of the words is :"<<endl;
    for(int i=0;i<10;i++)
        cout<<names[i]<<endl;

    //

    //
        for( i=0;i<10;i++)
    {

    for( t=i+1;t<10;t++)
    if (strlen(names[i])>strlen(names[t]))
    {
    strcpy(temp,names[i]);
    strcpy(names[i],names[t]);
    strcpy(names[t],temp);}
    }
    cout<<"The words order accodring to length is :"<<endl;
    for(int i=0;i<10;i++)
        cout<<names[i]<<endl;


}