percolation c++

#include <iostream>
#include <vector>
#include <cstdlib>
#include <ctime>

#define H 8
#define V 8

#define FILL_PROBABILITY 35

#define BLANCO '+'
#define NEGRO '-'
#define AZUL 'B'

void draw();
int block = 0;
 
using namespace std;
int matrix[H][V];
int main(){
	srand(time(0));
	vector<int*> index = vector<int*>();
	
	
	for (int i = 0; i < H; i++)
		for (int j = 0; j < V; j++)
			matrix[i][j] = BLANCO;
	
	

		for (int j = 0; j < H; j++)
			for (int k = 0; k < V; k++)
				if (rand() % 100 <= FILL_PROBABILITY)
				{
					matrix[j][k] = NEGRO;
					block++;
				}

	for (int i = 0; i < H; i++)
		for (int j = 0; j < V; j++)
		{
			int * ptr = &matrix[i][j];
			index.push_back(ptr);
		}

	draw();

	for (int i = 0; i < H; i++){
		bool flag = true;
		for (int j = 0; j < V; j++){
			if (matrix[j][i] != NEGRO){
				matrix[j][i] = AZUL;
				continue;
			}
			else{
				flag = false;
				break;
			}
		}
		if (flag){
			draw();
			cout << "percola" << endl;
			cin.get();
			return 0;
		}
		
	}
	
	draw();

	cin.get();
	return -1;
}

void draw()
{
	system("cls");
	for (int i = 0; i < H; i++){
		for (int j = 0; j < V; j++){
			cout << (char)matrix[i][j] << " ";
		}
		cout << endl;
	}
}