Задача по информатика

#include "iostream"
#include "iomanip"
#include "math.h"
#include "string.h"
#include "ctype.h"
#include "conio.h"

using namespace std;

int a[20];
int n;
void input(int n,int a[])
    {
    for(int i=0; i
   
    {cout<<"["<<<"]=";
    cin>>a[i];}

    }
   
void output(int arr[],int n)
    {for(int i=0;i
    cout<<<
    }
/* Namira broi nulevi elementi */
void zero(int n,int arr[])
{
    for(int i=0;i
    {if(arr[i]==0)
    cout<<
}
/* Namira broi nenulevi elementi */
void nonzero(int n, int arr[])
{for(int i=0;i
   {if(arr[i]!=0)
   cout<<
   }
/* Namira broi nuli */
int br0(int n, int arr[])

{
int count0=0;
    for(int i=0;i
if(arr[i]==0) count0++;
return count0;

}
/* Namira broi chetni */
int counteven(int n, int arr[])
{int count0=0;
for(int i=0;i
{ if(arr[i]%2==0) count0++;}
 return count0;

}
/* Namira broi nechetni */
int countnoneven(int n, int arr[])
{int count0=0;
    for(int i=0;i
{ if(arr[i]%2!=0) count0++;}
 return count0;

}

int interval(int n, int arr[], int left, int right)
{int count=0;
for(int i=0;i
{ if(arr[i]>=left && arr[i]<=right) count++;}
return count;
}
/* Metoda na Mehurcheto */
void bubblesoft(int n, int arr[])
{
    for(int i=0;i
        for(int j=n-1;j>i;j--)
            if(arr[j]< / Vyzhodqsht red > */
}
/* Metoda na Mehurcheto */

int main()

{

cout<<"enter broj elementi n=";
cin>>n;
input(n,a);
output(a,n);

cout<<"zero element\n";
zero(n,a);
cout<<"nonzero elements\n";
nonzero(n,a);
cout<<"Broq nuli e ="<<
cout<<"Even elements = "<<
cout<<"Non Even elements= "<<

int p, q;

cout<<"Liava granica p=\n"; cin>>p;
cout<<"Diasna granica q=\n"; cin>>q;
cout<<"Broi"<<

/* Metoda na Mehurcheto Izvikvane*/

bubblesoft(n,a);
output(a,n);

/* Metoda na Mehurcheto */

return 0;
}