Выдаёт ошибку

#include <iostream.h>
#include <conio.h>
const n=3;
struct marsh
{ int begl,endl,nomer; }
s[n]
Void main ()
{
 
int i,w,o,y,p;
for (i=0;i<n;i++)
{
cout<<"BBegu Bpem9 oTnpaBJIeHu9= "<<endl;
cin>>s[i].begl;
cout<<"BBeguTe BpeM9 npu6bITu9 "<<endl;
cin>>s[i].endl;
cout<<"Homep noe3ga = "<<endl;
cin>>s[i].nomer;
}
cout<<"Bo ckoJIbko oTnpaBJIeHue? = "<<endl;
cin>>o;
cout<<"Bo ckoJIbko npu6bITue? = "<<endl;
cin>>y;
w=0;
for (i=0;i<n;i++)
if (o==s[i].begl && y==s[i].endl)
{
cout<<"OTnpaBJIeHue: "<<s[i].begl<<endl;
cout<<"npu6bITue: "<<s[i].endl<<endl;
cout<<"Homep peuca: "<<s[i].nomer<<endl;
w=1;
}
if (w==o)
cout<<" Takux peucoB HeT((  "<<endl;
getch ();
}

Void main ()

int main(){
  ...
  return 0;
}

struct marsh {
  int begl;
  int endl;
  int nomer;
}s[n]; // ; - обязательно

#include <iostream>
// #include <conio.h>
const int n = 3;
 
struct marsh { 
    int begl;
    int endl;
    int nomer; 
} s[n];
 
int main(){
    marsh test;
    int cnt = 0;
    
    for ( int i = 0; i < n; i++ ){
        std::cout << "BBegu Bpem9 oTnpaBJIeHu9= ";
        std::cin >> s[i].begl;
        std::cout << "BBeguTe BpeM9 npu6bITu9 ";
        std::cin >> s[i].endl;
        std::cout << "Homep noe3ga = ";
        std::cin >> s[i].nomer;
    }
    
    std::cout << "Bo ckoJIbko oTnpaBJIeHue? = ";
    std::cin >> test.begl;
    std::cout << "Bo ckoJIbko npu6bITue? = ";
    std::cin >> test.endl;
 
    for ( int i = 0; i < n; i++ ){
        if ( test.begl == s[i].begl && test.endl == s[i].endl ){
            std::cout << "OTnpaBJIeHue: " << s[i].begl << std::endl;
            std::cout << "npu6bITue: " << s[i].endl << std::endl;
            std::cout << "Homep peuca: " << s[i].nomer << std::endl;
            ++cnt;
        }
    }
    if ( !cnt )
        std::cout << " Takux peucoB HeT((  " << std::endl;
    // getch ();
    return 0;
}