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>
#include <cstdio>
#include <algorithm>
using namespace std;

int main(){
  int x,y,size,cnt = 0,ma = -1;
  int mas[10][10] = {0};
  int dx1[4] = {0,1,0,-1},dy1[4] = {1,0,-1,0};
  int dx2[8] = {0,1,0,-1,1,1,-1,-1},dy2[8] = {1,0,-1,0,1,-1,1,-1};
  int dx3[12]={1,0,-1,0,1,1,-1,-1,0,0,2,-2},dy3[12]={0,1,0,-1,-1,1,1,-1,2,-2,0,0};
  while(scanf("%d,%d,%d",&x,&y,&size) != EOF){
    if(size == 1){
      for(int i=0;i<4;i++){
	int nx = x+dx1[i];
	int ny = y+dy1[i];
	if(nx >= 0 && nx < 10 && ny >= 0 && ny < 10) mas[ny][nx] += 1;
      }
    }
    if(size == 2){
      for(int i=0;i<8;i++){
	int nx = x+dx2[i];
	int ny = y+dy2[i];
	if(nx >= 0 && nx < 10 && ny >= 0 && ny < 10) mas[ny][nx] += 1;
      }
    }
    if(size == 3){
      for(int i=0;i<12;i++){
	int nx = x+dx3[i];
	int ny = y+dy3[i];
	if(nx >= 0 && nx < 10 && ny >= 0 && ny < 10) mas[ny][nx] += 1;
      }
    }
  }
  for(int i=0;i<10;i++){
    for(int j=0;j<10;j++){
      if(mas[i][j] == 0) cnt++;
      ma = max(ma,mas[i][j]);
    }
  }
  cout << cnt << endl << ma << endl;
}

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

int field[10][10] = {0};

void small(int x,int y){
	int vx[4] = {-1,0,1,0};
	int vy[4] = {0,-1,0,1};
	if(x>=0 && x<10 && y>=0 && y<10)
		field[x][y]++;
	for(int i=0;i<4;i++){
		if(x+vx[i]>=0 && x+vx[i] <10 && y+vy[i]>=0 && y+vy[i]<10)
			field[x+vx[i]][y+vy[i]]++;
	}	
}
void mid(int x,int y){
	int vx[3] = {-1,0,1};
	int vy[3] = {-1,0,1};
	for(int i=0;i<3;i++){
		for(int j=0;j<3;j++){
		if(x+vx[i]>=0 && x+vx[i] <10 && y+vy[j]>=0 && y+vy[j]<10)
			field[x+vx[i]][y+vy[j]]++;
		}
	}
}
void large(int x,int y){
	int vx[4] = {-2,0,2,0};
	int vy[4] = {0,-2,0,2};
	mid(x,y);
	for(int i=0;i<4;i++){
		if(x+vx[i]>=0 && x+vx[i] <10 && y+vy[i]>=0 && y+vy[i]<10)
			field[x+vx[i]][y+vy[i]]++;
	}
}

void search()
{
	int m = 0;
	int zerocount = 0;
	for(int i=0;i<10;i++){
		for(int j=0;j<10;j++){
			if(field[i][j]==0)
				zerocount++;
			m = max(m,field[i][j]);
		}
	}
	cout << zerocount << endl;
	cout << m << endl;
}
int main()
{
	int x,y,size;
	char dot;
	while(cin >> x >> dot >> y >> dot >> size){
		if(size == 1)
			small(x,y);
		else if(size == 2)
			mid(x,y);
		else if(size == 3)
			large(x,y);
	}
	search();
	return 0;
}

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

#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)

long long paper[10][10];
const int dx[] = {0,0,1,-1};
const int dy[] = {1,-1,0,0};
const int diax[] = {1,1,-1,-1};
const int diay[] = {-1,1,1,-1};

void dai(int x, int y){
	REP(z,1,3)rep(k,4){
		int tx = x+dx[k]*z , ty = y+dy[k]*z;
		if( tx<0 || ty<0 || tx>=10 || ty>=10 )continue;
		paper[ty][tx]++;
	}
	rep(k,4){
		int tx = x+diax[k] , ty = y+diay[k];
		if( tx<0 || ty<0 || tx>=10 || ty>=10 )continue;
		paper[ty][tx]++;
	}
}
void chuu(int x, int y){
	rep(k,4){
		int tx = x+dx[k] , ty = y+dy[k];
		if( tx<0 || ty<0 || tx>=10 || ty>=10 )continue;
		paper[ty][tx]++;
	}
	rep(k,4){
		int tx = x+diax[k] , ty = y+diay[k];
		if( tx<0 || ty<0 || tx>=10 || ty>=10 )continue;
		paper[ty][tx]++;
	}
}
void shou(int x, int y){
	rep(k,4){
		int tx = x+dx[k] , ty = y+dy[k];
		if( tx<0 || ty<0 || tx>=10 || ty>=10 )continue;
		paper[ty][tx]++;
	}
}

int main(){
	int x,y,sz;
	memset(paper,0,sizeof(paper));
	while(~scanf("%d,%d,%d",&x,&y,&sz)){
		if( sz==3 )      dai(x,y);
		else if( sz==2 ) chuu(x,y);
		else             shou(x,y);
	}
	long long nasi = 0, ari = 0;
	rep(i,10)rep(j,10){
		if( paper[i][j]==0 )nasi++;
		else{
			ari = max(ari,paper[i][j]);
		}
	}
	printf("%lld\n%lld",nasi,ari);
	return 0;
}

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

int xy[14][14] = {};

int dai(int x, int y){
	xy[x-2][y]++;
	xy[x+2][y]++;
	xy[x][y-2]++;
	xy[x][y+2]++;
	return 0;
}

int chu(int x, int y, int z){
	if(z>2){
		dai(x, y);
	}
	xy[x-1][y+1]++;
	xy[x+1][y+1]++;
	xy[x-1][y-1]++;
	xy[x+1][y-1]++;
	return 0;
}

int sho(int x, int y, int z){
	if(z>1){
		chu(x, y, z);
	}
	xy[x][y]++;
	xy[x-1][y]++;
	xy[x][y-1]++;
	xy[x+1][y]++;
	xy[x][y+1]++;
	return 0;
}

int main(){
	string input, xx, yy, zz;
	int x, y, z;
	while (true){
		cin >> input;
		if (cin.eof()) { break; }
		xx = input[0];
		yy = input[2];
		zz = input[4];
		x = stoi(xx) + 2;
		y = stoi(yy) + 2;
		z = stoi(zz);
		sho(x, y, z);
	}
	int add = 0, max = 0;
	for(int i = 2;i<12;i++){
		for(int j = 2;j<12;j++){
			if (xy[i][j] == 0) { add++; }
			if (xy[i][j] > max) { max = xy[i][j]; }
		}
	}
	cout << add << endl
		<< max << endl;
	return 0;
}

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

int drop(int x, int y, int s, int p[14][14]){
	p[x][y]+=1;
	for(int i1=-1;i1<2;i1+=2){
		p[x][y+i1]+=1;
		p[x+i1][y]+=1;
	}
	if(s==1) return 0;
	for(int i2=-1;i2<2;i2+=2){
		p[x+i2][y-i2]+=1;
		p[x-i2][y+i2]+=1;
	}
	if(s==2) return 0;
	for(int i3=-2;i3<=2;i3+=4){
		p[x+i3][y]+=1;
		p[x][y+i3]+=1;
	}
}

int main() {
	int p[14][14]={0};
	int x,y,s;
	while(scanf("%d,%d,%d",&x,&y,&s)>0){
		 int a=drop(x+2,y+2,s,p);
	}
	int cnt=1,max=0;
	for(int a=2;a<12;a++){
		for(int b=2;b<12;b++){
			if(p[a][b]==0) cnt++;
			if(p[a][b]>max) max=p[a][b];
		}
	}
	cout<<cnt<<endl<<max<<endl;
	return 0;
}