Someone

#include<iostream.h>
#include<conio.h>
#include<string.h>
#include<stdlib.h>
#include<stdio.h>
#include<fstream.h>
struct komanda
      {char name[30];
       char fio[30];
       int nomer;
       int vozr;
       int rost;
       int ves;};
struct sport
      {char strana[30];
       struct komanda komand;};
struct sport igrok;
char c1[30],c2[30],c3[100];
int t1;
fstream fil;
void vvod(int m)
    {   cout<<"\nvvedite dannue o "<<(m+1)<<" igroke:\n\n";
        cout<<"strana: ";	        gets(c1);
        strcpy(igrok.strana,c1);
        cout<<"komanda: ";	        gets(c2);
        strcpy(igrok.komand.name,c2);
        cout<<"fio: ";		        gets(c3);
        strcpy(igrok.komand.fio,c3);
        cout<<"nomer: ";	        cin>>igrok.komand.nomer;
        cout<<"vozrast: ";	        cin>>igrok.komand.vozr;
        cout<<"rost: ";		        cin>>igrok.komand.rost;
        cout<<"ves: ";		        cin>>igrok.komand.ves;
     // ZAPIS v file polei 1 structuri
     fil<<igrok.strana<<" "<<igrok.komand.name<<" "<<igrok.komand.fio<<" "<<igrok.komand.nomer<<" "<<igrok.komand.vozr<<" "<<igrok.komand.rost<<" "<<igrok.komand.ves<<endl;}
main()
{int i,m,j=-1,d, r1,r2,r3, pos[20], z;
float min1, max, min2, vo[20], ro[20], ve[20];
char key;
while (key<'6')
{clrscr();	 cout<<"\n\n\n\n\n\n";
 cout<<"\t\t\t1 - SOZDANIE faila\n\n";
 cout<<"\t\t\t2 - CHTENIE faila\n\n";
 cout<<"\t\t\t3 - DOBAVLENIE zapisey v fail\n\n";
 cout<<"\t\t\t4 - FORMIROVANIE komand\n\n";
 cout<<"\t\t\t5 - INFORMACIA o komandah\n\n";
 cout<<"\t\t\t6 - VIHOD\n\n";
 cin>>key;
if (key=='1')
    {clrscr();   m=0;  //m-kol-vo zapisei
//sozdanie novogo faila s rezimami dla dobavlenia
     fil.open("igro.dat",ios::trunc|ios::app);
     if (!fil)	{cout<<"file not open"; return 1;}
     //vvod dannix (1 structuri) i zapis ee v file
     vvod(m);
     fil.close();  }
if (key=='2')
    { clrscr();
     cout<<"------------------------------------------------------------------------------\n";
     printf("|%11s | %11s | %11s | %7s | %7s | %5s | %5s | \n", "strana","komanda","fio","nomer","vozrast","rost","ves");
     cout<<"------------------------------------------------------------------------------\n";
     //otkritie file dla chtenia
     fil.open("igro.dat",ios::out|ios::in);
     //po kol-vy zapisei proshitat file
     for(i=0;i<=m;i++)
      {
      //opredelenie tekushei posizii v file
      z=fil.tellp();
      //perexod na tekushuu posiziu
      fil.seekp(z);
      //viravnivanie
      cout<<"|";      cout.setf(ios::right);
     // SHTENIE iz file polei 1 structuri
     fil>>igrok.strana;		   cout.width(11);   cout<<igrok.strana; 	        cout<<" |";
     fil>>igrok.komand.name;    cout.width(12);   cout<<igrok.komand.name;   cout<<" |";
     fil>>igrok.komand.fio;	   cout.width(12);   cout<<igrok.komand.fio;       cout<<" |";
     fil>>igrok.komand.nomer;  cout.width(8);     cout<<igrok.komand.nomer;  cout<<" |";
     fil>>igrok.komand.vozr;     cout.width(8);     cout<<igrok.komand.vozr;     cout<<" |";
     fil>>igrok.komand.rost;      cout.width(6);     cout<<igrok.komand.rost;      cout<<" |";
     fil>>igrok.komand.ves;      cout.width(6);     cout<<igrok.komand.ves;       cout<<" |";
    cout<<endl;     cout.unsetf(ios::right);}
   cout<<"------------------------------------------------------------------------------\n";
         getch();     fil.close();  }
if (key=='3')
    {clrscr();
     //dobablenie zapisei v suchestvuushii file v konec
     //kol-vo zapisei uvelishivaetsa na 1
     m++;
     //otkritie file dla dobavlenia
        fil.open("igro.dat",ios::app);
         vvod(m);       fil.close();  }
if (key=='4')
  {clrscr();   j++;    vo[j]=0; ro[j]=0; ve[j]=0;   d=0;     char k[30], s[30];
    cout<<"vvedite nazvanie komandi: ";	    gets(k);
    cout<<"vvedite stranu komandi: ";  	    gets(s);
     //otkritie file dla shtenia/zapisi
    fil.open("igro.dat",ios::out|ios::in);
for(i=0;i<=m;i++)  //v zikle po kol-vy zapisei proshitat file
 {
 z=fil.tellp();
  fil.seekp(z);
      // SHTENIE iz file polei 1 structuri
 fil>>igrok.strana>>igrok.komand.name>>igrok.komand.fio>>igrok.komand.nomer>>igrok.komand.vozr>>igrok.komand.rost>>igrok.komand.ves;
   //sravnenie prochitannoi zapisi s vvedennoi
   if ((strcmp(igrok.komand.name,k)==0)&&(strcmp(igrok.strana,s)==0))//esli oni ravni
         { d++;   pos[j]=z;
          vo[j]+=igrok.komand.vozr; 
          ro[j]+=igrok.komand.rost;
          ve[j]+=igrok.komand.ves; } }
cout<<"v komande "<<k<<" strani "<<s<<" "<<d<<" igroka";
if(d!=0)    { vo[j]/=d;  ro[j]/=d;  ve[j]/=d;}  
     getch();fil.close();}
if (key=='5') //poisk samoi molodoi, rosloi i legkoi komandi 
   {clrscr();    min1=vo[0];  max=ro[0];  min2=ve[0];   r1=0;   r2=0;   r3=0;
     for(int x=1;x<=j;x++)
        {if (min1>vo[x])  {min1=vo[x]; r1=x;}
        if (max<ro[x])   {max=ro[x];  r2=x;}
        if (min2>ve[x])  {min2=ve[x]; r3=x;}}
    //otkritie file dla shtenia/zapisi
   fil.open("igro.dat",ios::out|ios::in);
   //ustanovka ukazatela v file na posiziu
   fil.seekp(pos[r1]);
  // SHTENIE iz file polei 1 structuri
    fil>>igrok.strana>>igrok.komand.name;
          cout<<"samaya molodaya komanda "<<igrok.komand.name<<"\n\tstrani "<<igrok.strana<<"\n\tsredniy vozrast "<<min1<<endl;
fil.seekp(pos[r2]);     fil>>igrok.strana>>igrok.komand.name;
          cout<<"samaya roslaya komanda "<<igrok.komand.name<<"\n\tstrani "<<igrok.strana<<"\n\tsredniy rost "<<max<<endl;
fil.seekp(pos[r3]);    fil>>igrok.strana>>igrok.komand.name;
          cout<<"samaya legkaya komanda "<<igrok.komand.name<<"\n\tstrani "<<igrok.strana<<"\n\tsredniy ves "<<min2<<endl;     getch();    fil.close();}
if (key=='6')    {clrscr();     exit(0);}   }}