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<stdio.h>

int main(void)
{
	int i,j,k,paper[10][10]={0},x,y,n,c=0,max=0;
	
	for(k=0;k<6;k++){
		scanf("%d,%d,%d",&x,&y,&n);
		if(n==1){
			if(y-1>=0)paper[y-1][x]++;
			if(y+1<10)paper[y+1][x]++;
			if(x-1>=0)paper[y][x-1]++;
			if(x+1<10)paper[y][x+1]++;
			if(y>=0 && y<10 && x>=0 && x<10)paper[y][x]++;
		}
		if(n==2){
			if(y-1>=0)paper[y-1][x]++;
			if(y+1<10)paper[y+1][x]++;
			if(x-1>=0)paper[y][x-1]++;
			if(x+1<10)paper[y][x+1]++;
			if(y-1>=0 && x-1>=0)paper[y-1][x-1]++;
			if(y-1>=0 && x+1<10)paper[y-1][x+1]++;
			if(y+1<10 && x-1>=0)paper[y+1][x-1]++;
			if(y+1<10 && x+1<10)paper[y+1][x+1]++;
			if(y>=0 && y<10 && x>=0 && x<10)paper[y][x]++;
		}
		if(n==3){
			if(y-1>=0)paper[y-1][x]++;
			if(y+1<10)paper[y+1][x]++;
			if(x-1>=0)paper[y][x-1]++;
			if(x+1<10)paper[y][x+1]++;
			if(y-1>=0 && x-1>=0)paper[y-1][x-1]++;
			if(y-1>=0 && x+1<10)paper[y-1][x+1]++;
			if(y+1<10 && x-1>=0)paper[y+1][x-1]++;
			if(y+1<10 && x+1<10)paper[y+1][x+1]++;
			
			if(y-2>=0)paper[y-2][x]++;
			if(y+2<10)paper[y+2][x]++;
			if(x+2<10)paper[y][x+2]++;
			if(x-2>=0)paper[y][x-2]++;
			if(y>=0 && y<10 && x>=0 && x<10)paper[y][x]++;
		}
	}
	for(i=0;i<10;i++){
		for(j=0;j<10;j++){
			printf("%d ",paper[i][j]);
		}
		puts("");
	}
	printf("%d\n%d\n",c,max);
	return 0;
}

C++: #include<stdio.h>

static int map[11][11];

void small(int x,int y){
	map[y][x]+=1;
	map[y][x+1]+=1;
	map[y][x-1]+=1;
	map[y+1][x]+=1;
	map[y-1][x]+=1;
}

void midium(int x,int y){
	small(x,y);
	map[y+1][x+1]+=1;
	map[y-1][x-1]+=1;
	map[y-1][x+1]+=1;
	map[y+1][x-1]+=1;
}

void big(int x,int y){
	medium(x,y);
	map[y][x+2]+=1;
	map[y][x-2]+=1;
	map[y+2][x]+=1;
	map[y-2][x]+=1;
}


int main(){
	int x[1000],y[1000],select[1000];
	int i,j;
	int space=0,max=0;
	
	for(i=0;i<11;i++){
		for(j=0;j<11;j++)map[i][j]=0;
	}
	
	i=0;
	while(scanf("%d,%d,%d",&x[i],&y[i],&select[i])!=EOF){
		switch(select[i]){
		case 1:
			small(x[i]+1,y[i]+1);
			break;
		case 2:
			medium(x[i]+1,y[i]+1);
			break;
		case 3:
			big(x[i]+1,y[i]+1);
			break;
		}
		i++;
	}
	
	for(i=1;i<11;i++){
		for(j=1;j<11;j++){
			if(map[i][j]==0)space++;
			if(max<map[i][j])max=map[i][j];
		}
	}
	
	printf("%d\n%d\n",space,max);
	
	return 0;
}

C++: #include<iostream>
using namespace std;
int main(){
  int k[10][10]={0};
  int x,y,s,i,j;
  char c;
  int d=0,w=0;
  int S[4]={0,5,9,13};
  int X[]={0,1,-1,0,0,1,-1,1,-1,2,-2,0,0};
  int Y[]={0,0,0,1,-1,1,-1,-1,1,0,0,2,-2};
  while(cin>>x>>c>>y>>c>>s){
    for(i=0;i<S[s];i++){
      
      if(-1<x&&x<10&&-1<y&&y<10){
	if(-1<x+X[i]&&x+X[i]<10&&-1<y+Y[i]&&y+Y[i]<10){
	  k[x+X[i]][y+Y[i]]++;
	  if(k[x+X[i]][y+Y[i]]>d){
	    d=k[x+X[i]][y+Y[i]];
	  }
	}
      }
    }
  }
  for(i=0;i<10;i++){
    for(j=0;j<10;j++){
      if(k[i][j]==0)w++;
    }
  }
  if(d!=0){
    cout<<w<<"\n"<<d<<endl;
  }
  return 0;
}

C++: #include<iostream>
#include<stdio.h>
using namespace std;
int main(){
  int dec[10][10][1];
  int x,y,size,num,max;
  for(int i=0;i<10;i++){
    for(int j=0;j<10;j++){
       dec[i][j][0]=0;
    }
  }
                
  while(scanf("%d,%d,%d",&y,&x,&size)!=EOF){
  if(size == 1){
      dec[x+1][y][0] += 1;
      dec[x-1][y][0] += 1;
      dec[x][y+1][0] += 1;
      dec[x][y-1][0] += 1;
      dec[x][y][0] += 1;
    } else if(size == 2){
      for(int i=-1;i<=1;i++){
	for(int j=-1;j<=1;j++){
	  dec[x+i][y+j][0] +=1;
	}
      }
    }else if(size==3){
      for(int i=-1;i<=1;i++){
	for(int j=-1;j<=1;j++){
	  dec[x+i][y+j][0] +=1;
	}
      }
      dec[x+2][y][0] +=1;
      dec[x-2][y][0] +=1;
      dec[x][y+2][0] +=1;
      dec[x][y-2][0] +=1;
    }
  }
  max = dec[0][0][0];
  for(int i=0;i<10;i++){
    for(int j=0;j<10;j++){
      if(dec[i][j][0]==0){
	num +=1;
      }      
      if(max < dec[i][j][0])
	max=dec[i][j][0];
    }
  }
  cout << num << endl << max<<endl;
}

C++: #include <stdio.h>
#include<math.h>
using namespace std;

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

int main(){
	int paper[10][10],x,y,size;
	for(int i=0;i<10;i++){
		for(int k=0;k<10;k++){
			paper[i][k] = 0;
		}
	}

	while(scanf("%d,%d,%d",&x,&y,&size)!=EOF){
		switch(size){
		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]++;
			break;
		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]++;
			break;
		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]++;
			break;
		}
	}

	int count = 0,max = -1;
	for(int i=0; i< 10;i++){
		for(int k=0; k < 10; k++){
			if(paper[i][k] == 0)count++;
			max = (max >= paper[i][k])?max:paper[i][k];
		}
	}
	printf("%d\n%d\n",count,max);

    return 0;
}