char *str1="asd", *str2="asa";
cout<<(str1<str2)<<endl;

int comp(const void* el1, const void* el2)
{
    return strcmp((char*)el1, (char*)el2);
}
qsort(v_s, 100, sizeof(char), comp);

#include <vcl.h>
   #include<iostream.h>
#include<string.h>
#include<ctype.h>
#define max 10
#define k 5
#include<conio.h>
;
int main()
{int i=0,n=0,p=0,q=0,m=0;
 char m_s[k][max];
 char v_s[100][max];
 char sl[max];
 char  r[10];

 while((i<k)&&(gets(sl)))
  {strcpy(v_s[n],sl);
   if(sl[0]==toupper(sl[0]))
    {strcpy(m_s[i],sl);
       i++;
    }
      else
      cout<<endl<<"line does not start with a capital letter!";
    n++;

  }
  cout<<endl<<"all input lines:";
 for(i=0;i<n;i++)
  {
  cout<<v_s[i]<<endl;
  }
   cout<<endl<<"correct lines:"<<endl;
 for(i=0;i<k;i++)
  {
  cout<<m_s[i]<<endl;
  }
  p=strlen(v_s[0]);
  for(i=0;i<n;i++)
   {q=strlen(v_s[i]);
    if(q>p)
    {p=q;}
   }
   cout<<endl<<"the longest row:";
   for(i=0;i<n;i++)
   {if(strlen(v_s[i])==p)
    cout<<endl<<v_s[i];
   }
     m:
   for(i=0;i<n-1;i++)
   {if(strcmp(v_s[i],v_s[i+1])>=0)
    {strcpy(r,v_s[i]);
     strcpy(v_s[i],v_s[i+1]);
     strcpy(v_s[i+1],r);
     goto m;
    }}
    
    cout<<endl<<endl<<"sorted lines:";
    for(i=0;i<n;i++)
    {cout<<endl<<v_s[i];
    }
  cout<<endl<<"enter";


  getch();
  return 0;