С++ ЕНФ / LABA 6 / 62

#include <iostream.h>
#include <conio.h>
#include <string.h>
//Sortirovka massiva strok metodom prostih vstavok
void sort(char *arr[],int N)       //funsia sortirovki vstavkami
{
 int i,j;
 char *b;

 for(j=1;j<N;j++)
 {
 i=j-1; b=arr[j];
   do
  if((strlen(arr[i]))>=(strlen(b))) break;
  else
   {

   (arr[i+1])=(arr[i]);
   i--;
   }
  while (i>=0);
 if (i==-1) arr[0]=b; else arr[i+1]=b;
  }
 }

void main()
{
 char* M[1000];
 float max=0;

   clrscr();
   cout << "\n\nEta programma osuschestvljaet sortirovku massiva strok v porjadke ubjivanija\n";
   cout << "dlini strok\n";
   cout << "\nVvedite chislo elementov massiva strok: ";
   int t;
  cin>>max;
  do
  {
  while (max<1) {cout<<" dolgno bit >=1 \n\n";
	       cout<<"vvedite chislo n \n\n"; cin>>max;};
   t=(int)max;
   while (max!=t) {cout <<" dolzno bit selim \n\n";
		cout<<"vvedite chislo n \n\n"; cin>>max; t=(int)max;};
   }
   while ((max!=t) || (max<1));

 for(int i=0; i<max; i++)
  {
    cout << "Vvedite " << i+1 << "-i element massiva : ";
    cin >> M[i];
    M[i+1] = M[i] + (strlen(M[i]) + 1);
  };
 clrscr();
 cout << "Pered vami ishodnjij massiv:";
 for(i=0; i<max; i++)
  cout << endl << " M [" << i+1 << "]: '" << M[i] << "'";
 sort(M, max);
 cout << " \n otsortirovannjij massiv:";
 for(i=0; i<max; i++)
   cout << endl << "M [" << i+1 << "]: '" << M[i] << "'";
 getch();
}