Go: package main

import (
        "fmt"
)

var paper [10][10]int

func main() {
        var x, y, s int
        for {
                _, err := fmt.Scanf("%d,%d,%d", &x, &y, &s)
                if err != nil {
                        break
                }

                fill(x, y, s)
        }
        var d, z int
        for i := 0; i < 10; i++ {
                for j := 0; j < 10; j++ {
                        if paper[i][j] == 0 {
                                z += 1
                        }
                        if paper[i][j] > d {
                                d += 1
                        }
                }
        }
        fmt.Printf("%d\n%d\n", z, d)
}

func fill(x int, y int, s int) {
        paper[x][y] += 1
        if x > 0 {
                paper[x-1][y] += 1
        }
        if x < 9 {
                paper[x+1][y] += 1
        }
        if y > 0 {
                paper[x][y-1] += 1
        }
        if y < 9 {
                paper[x][y+1] += 1
        }

        if s >= 2 {
                if x > 0 && y > 0 {
                        paper[x-1][y-1] += 1
                }
                if x > 0 && y < 9 {
                        paper[x-1][y+1] += 1
                }
                if x < 9 && y > 0 {
                        paper[x+1][y-1] += 1
                }
                if x < 9 && y < 9 {
                        paper[x+1][y+1] += 1
                }
        }

        if s > 2 {
                if x > 1 {
                        paper[x-2][y] += 1
                }
                if x < 8 {
                        paper[x+2][y] += 1
                }
                if y > 1 {
                        paper[x][y-2] += 1
                }
                if y < 8 {
                        paper[x][y+2] += 1
                }
        }
}

C++: #include<iostream>
using namespace std;

int main() {
	int pap[10][10] = {};
	int x, y, s;
	while (scanf("%d,%d,%d", &x, &y, &s) !=EOF) {
		int ca = 0;
		int p = 0;

		if (s == 1) {pap[x][y] += 1;}
			if (x + 1 < 10) { pap[x + 1][y] += 1; }
			if (x - 1 > -1) { pap[x - 1][y] += 1; }
			if (y + 1 < 10) { pap[x][y + 1] += 1; }
			if (y - 1 > -1) { pap[x][y - 1] += 1; }

			if (s == 2) {pap[x][y] += 1;}
			if (x + 1 < 10) { pap[x + 1][y] += 1; }
			if (x - 1 > -1) { pap[x - 1][y] += 1; }
			if (y + 1 < 10) { pap[x][y + 1] += 1; }
			if (y - 1 > -1) { pap[x][y - 1] += 1; }
			if (x + 1 < 10 && y - 1 > -1) { pap[x + 1][y - 1] += 1; }
			if (x + 1 < 10 && y + 1 < 10) { pap[x + 1][y + 1] += 1; }
			if (x - 1 > -1 && y + 1 < 10) { pap[x - 1][y + 1] += 1; }
			if (x - 1 > -1 && y - 1 > -1) { pap[x - 1][y - 1] += 1; }

			if (s == 3) {pap[x][y] += 1;}
			if (x + 1 < 10) { pap[x + 1][y] += 1; }
			if (x - 1 > -1) { pap[x - 1][y] += 1; }
			if (y + 1 < 10) { pap[x][y + 1] += 1; }
			if (y - 1 > -1) { pap[x][y - 1] += 1; }
			if (x + 1 < 10 && y - 1 > -1) { pap[x + 1][y - 1] += 1; }
			if (x + 1 < 10 && y + 1 < 10) { pap[x + 1][y + 1] += 1; }
			if (x - 1 > -1 && y + 1 < 10) { pap[x - 1][y + 1] += 1; }
			if (x - 1 > -1 && y - 1 > -1) { pap[x - 1][y - 1] += 1; }
			if (x + 2 < 10) { pap[x + 2][y] += 1; }
			if (x - 2 > -1) { pap[x - 2][y] += 1; }
			if (y + 2 < 10) { pap[x][y + 2] += 1; }
			if (y - 2 > -1) { pap[x][y - 2] += 1; }
		
			for (int i = 0; i < 10; i++) {
				for (int j = 0; j < 10; j++) {
					if (pap[i][j] == 0) { ca++; }
					if (p < pap[i][j]) { p = pap[i][j]; }
				}
			}

			cout << ca << endl << p << endl;
	}
	return 0;
}

C++: #include <iostream>
#include <string>
using namespace std;
#define FOR(i, s, e) for(int i = s; i < e; ++i)
#define GRID_SIZE 10
struct Grid
{
	Grid() : maxDeep(0){
		FOR(i, 0, GRID_SIZE){
			FOR(j, 0, GRID_SIZE)
				d[i][j] = 0;
		}
		emptyCount = GRID_SIZE*GRID_SIZE;
	}
	void addInk(int i, int j){
		if (i < 0 || GRID_SIZE <= i || j < 0 || GRID_SIZE <= j)
			return;
		if (d[i][j] == 0) --emptyCount;
		++d[i][j];
		if (d[i][j] > maxDeep) maxDeep = d[i][j];
	}
	void dropS(int i, int j){
		addInk(i, j);
		addInk(i - 1, j);
		addInk(i + 1, j);
		addInk(i, j - 1);
		addInk(i, j + 1);
	}
	void dropM(int i, int j){
		dropS(i, j);
		addInk(i - 1, j - 1);
		addInk(i - 1, j + 1);
		addInk(i + 1, j - 1);
		addInk(i + 1, j + 1);
	}
	void dropL(int i, int j){
		dropM(i, j);
		addInk(i, j - 2);
		addInk(i, j + 2);
		addInk(i - 2, j);
		addInk(i + 2, j);
	}
	void drop(int i, int j, int s){
		if (s == 1) dropS(i, j);
		else if (s == 2) dropM(i, j);
		else if (s == 3) dropL(i, j);
	}
	int emptyCount;
	int maxDeep;
	int d[GRID_SIZE][GRID_SIZE];
};
void getValue(string& line, int& i, int& j, int& s){
	string::size_type p1 = line.find(',');
	string::size_type p2 = line.find(',', p1 + 1);
	i = atoi(line.substr(0, p1).c_str());
	j = atoi(line.substr(p1 + 1, p2 - p1 - 1).c_str());
	s = atoi(line.substr(p2 + 1).c_str());
}
int main()
{
	Grid grid;
	string line;
	int i, j, s;
	while (cin >> line){
		getValue(line, i, j, s);
		grid.drop(i, j, s);
	}
	cout << grid.emptyCount << "\n" << grid.maxDeep << "\n";
	return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;
int main(){
  int a[15][15]={0},b=0,c=0,x,y,t;
  string s[50];
  while(scanf("%d,%d,%d",&x,&y,&t)!=EOF){
    if(t==3){a[x+2][y+2]++;a[x+1][y+2]++;a[x][y+2]++;a[x+3][y+2]++;a[x+4][y+2]++;a[x+2][y+1]++;a[x+2][y]++;a[x+2][y+3]++;a[x+2][y+4]++;a[x+3][y+3]++;a[x+3][y+1]++;a[x+1][y+3]++;a[x+1][y+1]++;}
    else if(t==2){a[x+2][y+2]++;a[x+1][y+2]++;a[x+3][y+2]++;a[x+2][y+1]++;a[x+2][y+3]++;a[x+3][y+3]++;a[x+3][y+1]++;a[x+1][y+3]++;a[x+1][y+1]++;}
    else {a[x+2][y+2]++;a[x+1][y+2]++;a[x+3][y+2]++;a[x+2][y+1]++;a[x+2][y+3]++;}
  }
  for(int i=2;i<12;i++){
    for(int j=2;j<12;j++){
      if(!a[i][j])c++;
      b=max(b,a[i][j]);
    }
  }
  cout<<c<<endl<<b<<endl;
}

C++: #include <iostream>
#include <iomanip>
#include <sstream>
#include <stdio.h>
#include <vector>
#include <stack>
#include <queue>
#include <algorithm>
#include <math.h>
#include <utility>
#include <string>
#include <ctype.h>
#include <cstring>
#include <cstdio>
#include <sstream>
#include <functional>

using namespace std;

#define FOR(i,k,n) for(int i = (k); i < (n); i++)
#define REP(i,n) FOR(i,0,n)
#define INF 114514810
#define ll long long
//#define scanf scanf_s

int i, j, s;
int p[15][15];

void nuri(int i, int j)
{
	if (i >= 0 && i < 10 && j >= 0 && j < 10) p[i][j]++;
}

void shou(int i, int j)
{
	nuri(i, j);
	nuri(i - 1, j);
	nuri(i, j - 1);
	nuri(i, j + 1);
	nuri(i + 1, j);
}

void chu(int i, int j)
{
	shou(i, j);
	nuri(i - 1, j - 1);
	nuri(i - 1, j + 1);
	nuri(i + 1, j - 1);
	nuri(i + 1, j + 1);
}

void dai(int i, int j)
{
	chu(i, j);
	nuri(i - 2, j);
	nuri(i, j - 2);
	nuri(i, j + 2);
	nuri(i + 2, j);
}

int main()
{
	REP(i, 15)REP(j, 15) p[i][j] = 0;
	while (scanf("%d,%d,%d", &i, &j, &s) != EOF)
	{
		if (s == 1) shou(i, j);
		if (s == 2) chu(i, j);
		if (s == 3) dai(i, j);
	}
	int cnt = 0; int mx = 0;
	REP(i, 10)REP(j, 10)
	{
		if (p[i][j] == 0) cnt++;
		mx = max(p[i][j], mx);
	}
	cout << cnt << endl << mx << endl;
	return 0;
}