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消消乐，相除相邻地一样地值。

/*

5 4
1 2 1 4 1
1 1 1 1 3
2 4 1 2 3
2 5 1 3 2
5 2 1 5 5
1 2
1 3
1 5
3 4
*/

#include <iostream>
#include <vector>
//#include <algorithm>
using namespace std;
int arrs[202][202] = { 0 };
int N = 0;
int deleteNode = 0;
void helper(int x, int y, int& num)
{
	bool mark = false;
	for (int i = 1; i <= 4; i++)
	{
		if (x > 0 && arrs[x - 1][y] == num){
			arrs[x-1][y] = 0;
			deleteNode++;
			mark = true;
			helper(x-1, y, num);
		}
		if (y > 0 && arrs[x][y - 1] == num) {
			arrs[x][y - 1] = 0;
			mark = true;
			deleteNode++;
			helper(x, y - 1, num);
		}
		if (y + 1 < N && arrs[x][y + 1] == num) {
			mark = true;
			deleteNode++;
			arrs[x][y + 1] = 0;
			helper(x, y + 1, num);
		}
		if(x + 1 < N && arrs[x+1][y] == num){
			mark = true;
			deleteNode++;
			arrs[x + 1][y] = 0;
			helper(x + 1, y, num);
		}
	}
	if (mark == true)
		arrs[x][y] = 0;
}
void printf()
{
	for (int i = 0; i < N; i++)
	{
		for (int j = 0; j < N; j++)
			cout << arrs[i][j] << " ";
		cout << endl;
	}
}
void fun()
{
	for (int k = 0; k < N; k++)
	{
		for (int j = 0; j < N; j++)
		{
			for (int i = N - 1; i > 0; i--)
			{
				if (arrs[i][j] == 0)
					swap(arrs[i][j], arrs[i-1][j]);
			}
		}
	}
	for (int k = 0; k < N; k++)
	{
		for (int j = 0; j < N; j++)
		{
			int count = 0;
			for (int i = N - 1; i >= 0; i--)
			{
				if (arrs[i][j] == 0)
					count++;
			}
			if (count == N)
			{
				for (int i = 0; i <= N - 1; i++)
					swap(arrs[i][j], arrs[i][j + 1]);
			}
		}
	}
}

int main()
{
	int m, num, x, y;
	cin >> N >> m;
	for (int i = 0; i < N; i++)
	{
		for (int j = 0; j < N; j++)
		{
			cin >> num;
			arrs[i][j] = num;
		}	
	}
	for (int i = 0; i < m; i++)
	{
		deleteNode = 0;
		cin >> x >> y;
		num = arrs[x-1][y-1];
		if (num == 0)
			continue;
		helper(x-1, y-1, num);
		cout << deleteNode << endl;
		fun();
		printf();
	}
	return 0;
}