OJ Board

I'm trying to solve the problem...do the trees fall down on a certain way?

Thanks @kier.guevara XD

#include<iostream>
#include<iomanip>
#include<algorithm>
#include<vector>
#include<map>
using namespace std;

int length,height;
char image[251][251];

void floodFill(int x,int y,char oldcol, char repcol)
{
if((x < 1) ||( x > length)) return;
if((y < 1) || ( y > height)) return;
if(image[y][x ...