1. #include<iostream>
#include<stdio.h>
using namespace std;
int main()
{
int i,aux,num;
cout<<"ingrse numero";
cin>>num;
if(num>0)
{
for(i=0;i<num;i++)
{
aux=num%2*i;
cout<<"el valor es: "<<aux<<endl;
aux=aux+i;
cout<<"el valor es: "<<aux<<endl;
}//fin for
}
else
cout<<"correcto,esta bien";
}//fin del programa

3. #include<stdio.h>
#include<iostream>
using namespace std;
int main ()
{
int aux,j;
int vector[11];
aux=5;
for(j=0;j<=10;j++)
{
vector[j]=(aux%2)*j;
cout<<vector[j]<<endl;
}
}