programlama ödevim için yardım eder misiniz?

#include <windows.h>
#include <iostream>
using namespace std;
main () {
 int i,n,p;
    float ortp,ortn,tn,tp;
    int a[10];
    tn=0; n=0;
    tp=0; p=0;
    ortp=0; ortn=0;
    for(i=0; i<10; i++){ cout<<"sayilari giriniz=>>>";
    cin>>a[i];
    if(a[i]<0) {
    tn=tn+a[i]; n=n+1;}
    if(a[i]>0)  {
    tp=tp+a[i]; p=p+1;}
    }
    if(p==0) ortp=0;
    else ortp=tp/p;
    if(n==0) ortn=0;
    else ortn=tn/n;
    cout<<ortn<<endl;
    cout<<ortp<<endl;
     cin.get();
   cout << ""<<endl;
     cin.get();
    return 0; 
     }

[COLOR=Lime]#include[/COLOR] [COLOR=Red]<stdio.h>[/COLOR]
[COLOR=Lime]#include [/COLOR][COLOR=Red]<stdlib.h>[/COLOR]
[COLOR=Red][COLOR=Lime]#include[/COLOR] <math.h>[/COLOR]
int main(int argc, char *argv[])
{
    [COLOR=DeepSkyBlue]double[/COLOR] a;
  printf("bir real sayi giriniz: ");
  scanf("%lf",&a);
  if(floor(a)<0)
  {
  printf("sayi negatiftir\n");
}
else printf("sayi pozitif\n");
  system("PAUSE");    
  return 0;
}