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<algorithm>
using namespace std;
int x[2000][2000], a, b, c, p, sum, maxn; char f;
int main() {
	while (cin >> a >> f >> b >> f >> p) {
		if (p % 2 == 1) {
			c = p / 2 + 1;
			for (int i = -c; i <= c; i++) {
				for (int j = -c; j <= c; j++) {
					if (a + i >= 0 && b + j >= 0) {
						if ((i + j >= -c && i + j <= c) && (i - j >= -c && i - j <= c)) {
							x[a + i][b + j]++;
						}
					}
				}
			}
		}
		else {
			for (int i = -1; i <= 1; i++) {
				for (int j = -1; j <= 1; j++) {
					if (a + i >= 0 && b + j >= 0) {
						x[a + i][b + j]++;
					}
				}
			}
		}
	}
	sum = 0;
	maxn = 0;
	for (int i = 0; i < 10; i++) {
		for (int j = 0; j < 10; j++) {
			if (x[i][j] == 0) { sum++; }
			maxn = max(maxn, x[i][j]);
		}
	}
	cout << sum << endl << maxn << endl;
}

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

void drop(int x, int y, int xy[][10]){
  if(x>=0 && x<10 && y>=0 && y<10)
    xy[x][y]++;
}

int main(){
  int xy[10][10]={{0}};
  int x,y,size,num=0,ans=0;
  const int small=5, medium=9, big=13;
  char c;

  int s[small][2]={{0,0},{-1,0},{1,0},{0,-1},{0,1}};
  int m[medium][2]={{0,0},{-1,0},{1,0},{0,-1},{0,1},{-1,-1},{-1,1},{1,-1},{1,1}};
  int b[big][2]={{0,0},{-1,0},{1,0},{0,-1},{0,1},{-1,-1},{-1,1},{1,-1},{1,1},{-2,0},{2,0},{0,-2},{0,2}};
  while(cin >> x >> c >> y >> c >> size){
    if(size==1) for(int i=0; i<small; i++) drop(x+s[i][0],y+s[i][1],xy);
    else if(size==2) for(int i=0; i<medium; i++) drop(x+m[i][0],y+m[i][1],xy);
    else for(int i=0; i<big; i++) drop(x+b[i][0],y+b[i][1],xy);
  }

  for(int i=0; i<10; i++)
    for(int j=0; j<10; j++){
      if(xy[i][j]==0) num++;
      if(xy[i][j]>ans) ans = xy[i][j];
    }

  cout << num << endl;
  cout << ans << endl;
  return 0;
}

C++: #include <bits/stdc++.h>
using namespace std;

const int INF = 1e+9 * 2;
double eps = 1e-10;

int H = 10, W = 10;
int size[] = {5, 9, 13};
int dx[] = {0, 1, -1, 0, 0, 1, 1, -1, -1, 2, -2, 0, 0};
int dy[] = {0, 0, 0, 1, -1, 1, -1, 1, -1, 0, 0, 2, -2};

int main() {
	int x, y, s;
	int cnt[16][16] = {0};
	while(scanf("%d,%d,%d", &x, &y, &s) != EOF){
		s--;
		for(int i = 0; i < size[s]; ++i){
			cnt[x + dx[i]][y + dy[i]]++;
		}
	}
			int ans_c = 0, ans_m = 0;
		for(int i = 0; i < 10; ++i){
			for(int j = 0; j < 10; ++j){
				if(cnt[i][j] == 0)
					ans_c++;
				if(cnt[i][j] > ans_m)
					ans_m = cnt[i][j];
			}
		}
		cout << ans_c << endl;
		cout << ans_m << endl;
	return 0;
}

C++: //インクを落とす
#include<cstdio>

using namespace std;

int main(void){
	int pa[14][14];
	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<14;i++){
		for(j=0;j<14;j++)
			pa[i][j]=0;
	}

	while(scanf("%d,%d,%d",&x,&y,&size)!=EOF){
		x=x+2;
		y=y+2;
		switch(size){
			case 1:	//小
				pa[y][x]++;
				pa[y-1][x]++;
				pa[y+1][x]++;
				pa[y][x-1]++;
				pa[y][x+1]++;
				break;
			case 2:	//中
				for(i=-1;i<=1;i++){
					for(j=-1;j<=1;j++)
						pa[y+i][x+j]++;
				}
				break;
			case 3:	//大
				for(i=-1;i<=1;i++){
					for(j=-1;j<=1;j++)
						pa[y+i][x+j]++;
				}
				pa[y-2][x]++;
				pa[y+2][x]++;
				pa[y][x-2]++;
				pa[y][x+2]++;
				break;
		}
	}
	for(i=2;i<12;i++){
		for(j=2;j<12;j++){
			if(pa[i][j]==0)
				not_++;
			if(pa[i][j]>da)
				da=pa[i][j];
		}
	}
	printf("%d\n%d\n",not_,da);

	return 0;
}

C++: #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;
		}
	}
	while (!cin.eof()){
		int x = 0; int y = 0; int size = 0;
		cin >> x >> y >> size ;
		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 (i = 0; i <= 2; i++){
					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 (i = 0; i <= 2; i++){
					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;
		}
	}
	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;
}

C++: #include<stdio.h>
#include<iostream>
#include<algorithm>
using namespace std;
void small_size(void);
void middle_size(void);
void big_size(void);
void solve(void);

int x,y,size;
int paper[14][14]={0};

int main(){

  while(scanf("%d,%d,%d",&x,&y,&size)!=EOF){
    switch(size){
    case 1:
      small_size();
      break;
    case 2:
      small_size();
      middle_size();
      break;
    case 3:
      small_size();
      middle_size();
      big_size();
      break;
    }

  }

  solve();

  return 0;
}

void small_size(){

  paper[y+2][x+2]++;
  paper[y+1][x+2]++;
  paper[y+2][x+1]++;
  paper[y+2][x+3]++;
  paper[y+3][x+2]++;

}
void middle_size(){

  paper[y+1][x+1]++;
  paper[y+3][x+1]++;
  paper[y+1][x+3]++;
  paper[y+3][x+3]++;

}

void big_size(){

  paper[y+2][x]++;
  paper[y][x+2]++;
  paper[y+2][x+4]++;
  paper[y+4][x+2]++;

}

void solve(){

  int i,j;
  int zero_cnt=0;
  int max=0;

  for(i=2;i<12;i++){
    for(j=2;j<12;j++){

      if(paper[i][j]==0){
	zero_cnt++;
      }

      if(max<paper[i][j]){
	max=paper[i][j];
      }
    }
  }

  for(i=2;i<12;i++){
    for(j=2;j<12;j++){
      printf("%d ",paper[i][j]);
    }
    printf("\n");
  }

  printf("%d\n%d\n",zero_cnt,max);

}