Go: package main

import (
	"bufio"
	"os"
	"strings"
	"strconv"
	"fmt"
)

func rangeCheck(x, y int) bool {
	if x >= 0 && x <= 9 && y >= 0 && y <= 9 {
		return true
	} else {
		return false
	}
}

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	paper := make([][]int, 10)
	for i := range paper {
		paper[i] = make([]int, 10)
		for j := range paper[i] {
			paper[i][j] = 0
		}
	}
	// fmt.Println(paper)
	for scanner.Scan() {
		infos := strings.Split(scanner.Text(), ",")
		x, _ := strconv.Atoi(infos[0])
		y, _ := strconv.Atoi(infos[1])
		s, _ := strconv.Atoi(infos[2])
		// fmt.Println(x, y, s)
		switch s {
		case 1:
			paper[x][y]++
			if rangeCheck(x, y-1) {
				paper[x][y-1]++
			}
			if rangeCheck(x, y+1) {
				paper[x][y+1]++
			}
			if rangeCheck(x-1, y) {
				paper[x-1][y]++
			}
			if rangeCheck(x+1, y) {
				paper[x+1][y]++
			}
			continue
		case 2:
			paper[x][y]++
			if rangeCheck(x-1, y-1) {
				paper[x-1][y-1]++
			}
			if rangeCheck(x, y-1) {
				paper[x][y-1]++
			}
			if rangeCheck(x+1, y-1) {
				paper[x+1][y-1]++
			}
			if rangeCheck(x-1, y) {
				paper[x-1][y]++
			}
			if rangeCheck(x+1, y) {
				paper[x+1][y]++
			}
			if rangeCheck(x-1, y+1) {
				paper[x-1][y+1]++
			}
			if rangeCheck(x, y+1) {
				paper[x][y+1]++
			}
			if rangeCheck(x+1, y+1) {
				paper[x+1][y+1]++
			}
			continue
		case 3:
			paper[x][y]++
			if rangeCheck(x-1,y-1) {
				paper[x-1][y-1]++
			}
			if rangeCheck(x,y-1) {
				paper[x][y-1]++
			}
			if rangeCheck(x+1,y-1) {
				paper[x+1][y-1]++
			}
			if rangeCheck(x-1,y) {
				paper[x-1][y]++
			}
			if rangeCheck(x+1,y) {
				paper[x+1][y]++
			}
			if rangeCheck(x-1,y+1) {
				paper[x-1][y+1]++
			}
			if rangeCheck(x,y+1) {
				paper[x][y+1]++
			}
			if rangeCheck(x+1,y+1) {
				paper[x+1][y+1]++
			}
			if rangeCheck(x,y-2) {
				paper[x][y-2]++
			}
			if rangeCheck(x-2,y) {
				paper[x-2][y]++
			}
			if rangeCheck(x+2,y) {
				paper[x+2][y]++
			}
			if rangeCheck(x,y+2) {
				paper[x][y+2]++
			}
			continue
		}
	}
	count := 0
	max := -1
	for i := range paper {
		for j := range paper[i] {
			if paper[i][j] == 0 {
				count++
			}
			if max >= paper[i][j] {
				max = max
			} else {
				max = paper[i][j]
			}
		}
	}
	fmt.Printf("%d\n%d", count, max)
}

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

int main(){
  vector <vector <int> > a(13,vector<int>(13,0));
  int c,d,size,o=0;
  char s1,s2;
  while(cin>>c>>s1>>d>>s2>>size){
      c+=2;d+=2;
    if(size==1){
      a[c][d]++;
      a[c][d-1]++;
      a[c-1][d]++;
      a[c+1][d]++;
      a[c][d+1]++;
    }
    if(size==2){
      a[c][d]++;
      a[c][d-1]++;
      a[c-1][d]++;
      a[c+1][d]++;
      a[c][d+1]++;
      a[c-1][d-1]++;
      a[c+1][d+1]++;
      a[c-1][d+1]++;
      a[c+1][d-1]++;
    }
    if(size==3){
      a[c][d]++;
      a[c][d-1]++;
      a[c-1][d]++;
      a[c+1][d]++;
      a[c][d+1]++;
      a[c-1][d-1]++;
      a[c+1][d+1]++;
      a[c-1][d+1]++;
      a[c+1][d-1]++;
      a[c+2][d]++;
      a[c-2][d]++;
      a[c][d+2]++;
      a[c][d-2]++;
    }
  }
  int maxi = 0;
  for(int i = 2; i < 12; i++){
    int d = *max_element(a[i].begin(),a[i].end());
    maxi = max(maxi, d);
    for(int j = 2; j < 12; j++){
      if(a[j][i]==0) o++;
      //cout << a[i][j] << ' ';
    }
    //cout << endl;
  }

 cout<<o<<endl<<maxi<<endl;
}

C++: //インクを落とす
#include<cstdio>

using namespace std;

int main(void){
	int pa[10][10];
	int i,j;	//ループカウンタ
	int x,y,size,da=0,not=0;
	
	//二次元配列の初期化
	for(i=0;i<10;i++){
		for(j=0;j<10;j++)
			pa[i][j]=0;
	}

	while(scanf("%d,%d,%d",&x,&y,&size)==3){
		switch(size){
			case 1:	//小
				pa[x][y]++;
				pa[x-1][y]++;
				pa[x+1][y]++;
				pa[x][y-1]++;
				pa[x][y+1]++;
				break;
			case 2:	//中
				for(i=-1;i<=1;i++){
					for(j=-1;j<=1;j++)
						pa[x+i][y+j]++;
				}
				break;
			case 3:	//大
				for(i=-1;i<=1;i++){
					for(j=-1;j<=1;j++)
						pa[x+i][y+j]++;
				}
				pa[x-2][y]++;
				pa[x+2][y]++;
				pa[x][y-2]++;
				pa[x][y+2]++;
				break;
		}
	}
	for(i=0;i<10;i++){
		for(j=0;j<10;j++){
			if(pa[i][j]==0)
				not++;
		}
	}
	for(i=0;i<10;i++){
		for(j=0;j<10;j++){
			if(pa[i][j]>da)
				da=pa[i][j];
		}
	}
	printf("%d\n%d\n",not,da);

	return 0;
}

C++: #include<iostream>
#include<vector>
#include<stdio.h>
int main(){
	int x,y,size;
	std::vector<std::vector<int> > vec(10,std::vector<int>(10,0));
	while(scanf("%d,%d,%d",&x,&y,&size)!=EOF){
		vec[y][x]++;
		vec[y-1][x]++;
		vec[y+1][x]++;
		vec[y][x-1]++;
		vec[y][x+1]++;
		if(size>=2){
			vec[y-1][x-1]++;
			vec[y-1][x+1]++;
			vec[y+1][x-1]++;
			vec[y+1][x+1]++;
		}
		if(size==3){
			vec[y-2][x]++;
			vec[y+2][x]++;
			vec[y][x-2]++;
			vec[y][x+2]++;
		}
	}
	int no=0,max=0;
	for(int i=0;i<10;i++){
		for(int j=0;j<10;j++){
			if(vec[i][j]==0)no++;
			if(max<vec[i][j])max=vec[i][j];
		}
	}
	std::cout<<no<<std::endl;
	std::cout<<max<<std::endl;
	/*sort(vec2.begin(),vec2.end(),std::greater<int>());
	std::cout<<vec2[0]<<std::endl;*/
	return 0;
}

C++: #define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <iostream>

using namespace std;

int main(){
	int a[14][14];
	int i; int ii; int kosuu = 0; int mol = 0;
	for (i = 0; i <= 13; i++){
		for (ii = 0; ii <= 13; ii++){
			a[i][ii] = 0;
		}
	}
	int x = 0; int y = 0; int size = 0;
	while (scanf("%d,%d,%d", &x, &y, &size) > 0){
		int xx = x + 2; int yy = y + 2;

		if (size == 1){
			a[xx][yy] = a[xx][yy] + 1;
			a[xx+1][yy] = a[xx+1][yy] + 1;			a[xx-1][yy] = a[xx-1][yy] + 1;			a[xx][yy+1] = a[xx][yy+1] + 1;			a[xx][yy-1] = a[xx][yy-1] + 1;
		}

		if (size == 2){
			for (i = 0; i <= 2; i++){
				for (ii = 0; ii <= 2; ii++){
					a[xx + i - 1][yy + ii - 1] = a[xx + i - 1][yy + ii - 1] + 1;
				}
			}
		}

		if (size == 3){
			for (i = 0; i <= 2; i++){
				for (ii = 0; ii <= 2; ii++){
					a[xx + i - 1][yy + ii - 1] = a[xx + i - 1][yy + ii - 1] + 1;
				}
			}
			a[xx + 2][yy] = a[xx + 2][yy] + 1;			a[xx - 2][yy] = a[xx - 2][yy] + 1;			a[xx][yy + 2] = a[xx][yy + 2] + 1;			a[xx][yy - 2] = a[xx][yy - 2] + 1;
		}
		/*http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=0026&lang=jp */
	}
	for (i = 2; i <= 11; i++){
		for (ii = 2; ii < 11; ii++){
			if (a[i][ii] == 0){
				kosuu = kosuu + 1;
			}
			if (a[i][ii] > mol){
				mol = a[i][ii];
			}
		}
	}
	cout << kosuu << endl;
	cout << mol << endl;
	return  0;
}
//14*14????????????????????§?¨???????2??????11 size?????¢??°?????????