массивы с (1000)

#include <iostream>

using namespace std;

int main()
{
    int r=1000;
    int a[r];
    int q=r;
    int x=0;
    int b;
    while (q>0){
        a[q]=1;
        q--;
    }
    while (a[q-1]!=0){
        cout << "vvedi kakoi-to chislo ";
        cin >> a[q];
        q++;
      }
    q=0;
    int e=0;
    while (q<r) {
            if (a[q]>e){
                 e=a[q];
            }
        q++;
    }
    q=0;
    while (a[q]!=0 && q<r){
        b=0;
        x=q;
        while (a[x]<e) {
            cout << " ";
            a[x]=a[x]+2;
            b=b+2;
        }
        a[x]=a[x]-b;
        while (a[x]>0){
            cout << "*";
            a[x]=a[x]-1;
        }
        cout << endl;
        q++;
}
}