# include <iostream.h>
# include <stdio.h>
# include <math.h>
# include <conio.h>
# include <alloc.h>

//-----------------------------------------------------------------
    int Chislo(int x)
    {
      int j;
      if (x<4) return 1;
      else
       {
         for (j=2; j<ceil(sqrt(x))+1; j++)
         if (x%j==0) return 0;
       }
       return 1;
    }
//-----------------------------------------------------------------
    void swap(int *p)
    {
      int t=p[0];
      p[0]=p[1];
      p[1]=t;
    }
//-----------------------------------------------------------------
    void sort1(int *mas1, int n)
    {
      int again,i;
      do
      {
    again=0;
    for(i=0;i<n-1;i++)
    {
      if(mas1[i]>mas1[i+1])
      {
        swap(mas1+i);
        again=1;
      }
    }
      }
      while(again);
    }
//-----------------------------------------------------------------
    void sort2(int *mas2, int k)
    {
      int again,i;
      do
      {
    again=0;
    for(i=0;i<k-1;i++)
    {
      if(mas2[i]<mas2[i+1])
      {
        swap(mas2+i);
        again=1;
      }
    }
      }
      while(again);
    }
//-----------------------------------------------------------------
    void main()
    {
      clrscr();
      int t,k,i2,j,j2,i,n; j=0; k=0;
      cout<<"n="; cin>>n;
      int* mas1 = new int[n];
      int* mas2 = new int[n];
      cout<<"El-ma \n"<<"\n";
      for (i=0; i<n; i++)
      {
    cin>>mas1[i];
      }
      for (i=0; i<n; i++)
      {
    cout<<"\nmas1["<<i<<"]="<<mas1[i];
      }
      cout<<"\n";
      sort1(mas1,n);
      for (i=0; i<n; i++)
      {
    cout<<"\nmas1["<<i<<"]="<<mas1[i];
      }
      cout<<"\n";
      for (i=0; i<n; i++)
      {
    if (Chislo(mas1[i])==1) {mas2[j]=mas1[i]; j=j+1; k=k+1;}
      }
      for (j=0; j<k; j++)
      {
    cout<<"\nmas2["<<j<<"]="<<mas2[j];
      }
      cout<<"\n";
      sort2(mas2,k);
      for (j=0; j<k; j++)
      {
    cout<<"\nmas2["<<j<<"]="<<mas2[j];
      }
      delete []mas1;
      delete []mas2;
      getch();
    }

void sort1(int *mas1, int n)
    {
      int again,i,t;
      do
      {
    again=0;
    for(i=0;i<n-1;i++)
    {
      if(mas1[i]>mas1[i+1])
      {
        t=p[i];
        p[i]=p[i+1];
        p[i+1]=t;
        again=1;
      }
    }
      }
      while(again);
    }

# include <iostream.h>
# include <stdio.h>
# include <conio.h>

//-----------------------------------------------------------------
    void main()
    {
      clrscr();
      FILE *f;
      int i,n;
      double a;
      f=fopen("binfile.dat","wb");
      cout<<"n="; cin>>n;
      fwrite(&n, sizeof(int),1,f);
      for(i=0; i<n; i++)
      {
    cout<<"a["<<i<<"]="; cin>>a;
    fwrite(&a, sizeof(double),1,f);
      }
      fclose(f);
    }

# include <iostream.h>
# include <stdio.h>
# include <conio.h>

//-----------------------------------------------------------------
    void main()
    {
      clrscr();
      FILE *f;
      int i,n,t=-1,s=0,sym=0;
      double *a,*b;
      cout<<"n="; cin>>n;
      f=fopen("binfile.dat","rb");
      fread(a,sizeof(int),1,f);
      a-new double[n];
      fread(a,sizeof(double),n,f);
      for(i=0; i<n; i++)
      {
    if(a[i]>0)
    {
          sym=sym+a[i];
          s++;
    }
      }
      b-new double[s];
      for(i=0; i<s; i++)
      {
    if(a[i]>(sym/s))
    {
          t++;
      b[t]=a[i];
        }
      }
      for(i=0; i<t+1; i++)
      if (t=-1) cout<<"Net takix 4isel!";
      else
      {
        cout<<"\n"<<b[i]<<"\t";
    cout<<endl;
      }
      fclose(f);
      delete[]a;
      delete[]b;
      getch();
    }

# include <iostream.h>
# include <stdio.h>
# include <math.h>
# include <conio.h>
# include <alloc.h>

//-----------------------------------------------------------------
    double Sred(int *a, int I, int I2)
    {
      int i,s=0,sym=0;
      for(i=I+1; i<I2-1; i++)
      {
    sym=sym+a[i];
        s++;
      }
      return (sym/s);
    }
//-----------------------------------------------------------------
    void MaxMin(int *a, int n)
    {
      int b,i,max=0,imax;
      for(i=0; i<n; i++)
      {
    if(a[i]>max)
        {
      imax=i;
      max=a[i];
        }
      }
      int min=0,imin;
      for(i=0; i<n; i++)
      {
    if(a[i]<min)
        {
      imin=i;
      min=a[i];
        }
      }
      b=max;
      a[imax]=a[imin];
      a[imin]=max;
    }
//-----------------------------------------------------------------
    int main()
    {
      clrscr();
      int b,i,I,n,I2,s=0;
      cout<<"n="; cin>>n;
      int* a = new int[n];
      cout<<"El-ma";
      for (i=0; i<n; i++)
      {
    cout<<"\na["<<i<<"]=";
    cin>>a[i];
        if(a[i]==0) s++;
      }
      if(s<2)
      {
    cout<<"Malo nylei!\n";
        return 0;
      }
      else
      {
    for (i=0; i<n; i++)
    if(a[i]==0)
        {
      I=i;
      break;
    }
    for (i=n; i>I; i--)
    {
      if(a[i]==0)
      {
        I2=i;
            break;
          }
        }
      }
      Sred(a,I,I2);
      MaxMin(a,n);
      for (i=0; i<n; i++)
    cout<<"\na["<<i<<"]="<<a[i];
      cout<<"Srednee zna4enie="<<Sred;
      delete []a;
      getch();
      return 1;
    }

if(a[i]<min)
{
    imin=i;
    min=a[i];
}

    void Sred(int *a, int I, int I2)
    {
      int i,s=0,sym=0;
      double b;
      for(i=I+1; i<I2; i++)
      {
    sym=sym+a[i];
    s++;
      }
      b=(double)sym/s;
      cout<<"Srednee zna4enie="<<b;
    }