اكواد c++ تخص المصفوفات 1 Dimensional one

#include<iostream.h>
int fact(int n)
{
int f=1;
cin>>n;
for(int i=1;i<=n;i++)
f=f*i;
return f;
}
void main()
{
int x;
cout<<fact(x);

}

#include<iostream.h>
#include<conio.h>
const int n=7;
void main()
{ clrscr();
int count=0;
int x;
cout<<"enter x :";
cin>>x;
int s[n];
for(int i=0;i<n;i++)
{cin>> s[i];

if(s[i]==x)
count ++;}
cout<<" x is repeated "<<count<<" often";
}

#include<iostream.h>
main()
{
const int n=5;
int i,j,sum,av;
sum=0;
int a[n];
for(i=0;i<n;i++)
cin>>a[i];
for(i=0;i<n;i++) {
if(a[i]%2==0)
sum+=a[i];
av=sum/n;
}
cout<<"\n av = "<<av; }

#include<iostream.h>
void main()
{
const int n=5;
int a[n],i;
for(i=0;i<=n;i++)
cin>>a[i];
for(i=n;i>=0;i--)
cout<<a[i]<<" ";
}

#include<iostream.h>
void main( )
{int i,f,d;
int m[9];
cout<<"enter matrixs\n";
for ( i=0;i<5; i++)
cin>>m[i];
cout<<"who location you want to replace\n";
cin>>f;
int *array=&m[f];
cout<<"enter item\n";
cin>>d;
*array=d;
for ( i=0;i<5; i++)
cout<< m[i];
cout<<"\nwho location you want to delet content it\n";
cin>>f;
int *hu=&m[f];
*hu=0;
for ( i=0;i<5; i++)
cout<< m[i];
int *rana=&m[5];
cout<<"\nenter item you wand to add\n";
cin>>d;
*rana=d;
for ( i=0;i<6; i++)
cout<< m[i];
}