怎样表示大量粒子？急啊

#include<iostream>
#include<cstring>
#include <cstdlib>
using namespace std;

class bomb
{
    public:
        int n;
        char array[10000][10000];
        bomb()
        {
            for(int i=0;i<n;i++)
            {
                for(int j=0;j<n;j++)
                    array[i][j]=' ';
                cout<<endl;
            }
        }
        void charger()
        {
            int half=n/2;
            for(int m=0;m<=half;m++)
            {
                int i=rand()%n;
                int j=rand()%n;
                array[i][j]='*';   
            }
        }
        void bombing()
        {
            for(int i=0;i<10000;i++)
            {
                for(int j=0;j<10000;j++)
                    cout<<array[i][j];
                cout<<endl;
            }
        }
};

int main(void)
{
    bomb Bomb;
    for(int i=0;i<=65535;i+=300)
    {
        system("cls");
        Bomb.n=i+300;
        Bomb.charger();
        Bomb.bombing();
    }
    return 0;   
}