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\n", count, max)
}

C++: #include <iostream>
#include <stdio.h>
#include <sstream>
using namespace std;
void draw(int map[10][10]);
void drop(int x,int y,int z);
void drop_rotate(int,int,int,int);
bool isValidPoint(int,int);
void count(int map[10][10]);
int map[10][10];
int white, conc;
int dx,dy;

int main(){

  //  const int k=9;
  int x,y,s;
  string tmp;

  //zñÌú»
  for(int i=0;i<10;i++){
    for(int j=0;j<10;j++){
      map[i][j]=0;
    }
  }

  while(cin >> tmp){ //J}æØèðooÉ
  //  cout << map[2][3];
    tmp.replace(tmp.find(","),1," ");
    tmp.replace(tmp.find(","),1," ");
    istringstream ss(tmp);
    ss >> x >> y >> s;
    drop(x,y,s);
    //draw(map);
  }
  count(map);
}

//2³mapÌ`Ê
void draw(int map[10][10]){
    for(int i=0;i<10;i++){
      for(int j=0;j<10;j++){
      printf("%4d",map[i][j]);
      }
      cout << endl;
    }
    cout << endl;
}

//¦ðÔ·Ö
void count(int map[10][10]){
  white = 0; conc = 0;
  for(int i=0;i<10;i++){
    for(int j=0;j<10;j++){
      if(map[i][j]==0){
	white++;
      }
      if(map[i][j] > conc){
	conc = map[i][j];
      }
    }
  }
  cout << white << endl << conc << endl;
}
 
//CNº
void drop(int x,int y,int s){
  //  int dx; int dy;
  /* while(s>0){
    //dx,dyð¢ë¢ë®©·B
    
    if(isValidPoint((x+dx),(y+dy))){
      map[x+dx][y+dy]++;
    }
    s--;
    }*/
  if(isValidPoint(x,y)){
    map[x][y]++;
  }
  if(s==3){
    drop_rotate(x,y,2,0);
    drop_rotate(x,y,1,1);
    drop_rotate(x,y,1,0);
  }else if(s==2){
    drop_rotate(x,y,1,1); 
    drop_rotate(x,y,1,0);
  }else{
    drop_rotate(x,y,1,0);
  }
}

void drop_rotate(int x, int y,int dx, int dy){
  int temp;
  for(int i = 0; i < 4; i++){
    temp = dx;
    dx = dy;
    dy = -temp;
    if(isValidPoint((x+dx),(y+dy))){
      map[x+dx][y+dy]++;
    }
  }
}

bool isValidPoint(int x,int y){
  if(x < 0 || x > 9 || y < 0 || y > 9){
    return false;
  }else{
    return true;
  }
}

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(x-1>=0)paper[x-1][y]++;
			if(x+1<10)paper[x+1][y]++;
			if(y-1>=0)paper[x][y-1]++;
			if(y+1<10)paper[x][y+1]++;
			paper[x][y]++;
		}
		if(n==2){
			if(x-1>=0)paper[x-1][y]++;
			if(x+1<10)paper[x+1][y]++;
			if(y-1>=0)paper[x][y-1]++;
			if(y+1<10)paper[x][y+1]++;
			if(x-1>=0 && y-1>=0)paper[x-1][y-1]++;
			if(x-1>=0 && y+1<10)paper[x-1][y+1]++;
			if(x+1<10 && y-1>=0)paper[x+1][y-1]++;
			if(x+1<10 && y+1<10)paper[x+1][y+1]++;
			paper[x][y]++;
		}
		if(n==3){
			if(x-1>=0)paper[x-1][y]++;
			if(x+1<10)paper[x+1][y]++;
			if(y-1>=0)paper[x][y-1]++;
			if(y+1<10)paper[x][y+1]++;
			if(x-1>=0 && y-1>=0)paper[x-1][y-1]++;
			if(x-1>=0 && y+1<10)paper[x-1][y+1]++;
			if(x+1<10 && y-1>=0)paper[x+1][y-1]++;
			if(x+1<10 && y+1<10)paper[x+1][y+1]++;
			
			if(x-2>=0)paper[x-2][y]++;
			if(x+2<9 )paper[x+2][y]++;
			if(y+2<9 )paper[x][y+2]++;
			if(y-2>=0)paper[x][y-2]++;
			paper[x][y]++;
		}
		for(i=0;i<10;i++){
			for(j=0;j<10;j++){
				printf("%d ",paper[i][j]);
			}
			puts("");
		}
	}
	for(i=0;i<10;i++){
		for(j=0;j<10;j++){
			printf("%d ",paper[i][j]);
		}
		puts("");
	}
	
	
	for(i=0;i<10;i++){
		for(j=0;j<10;j++){
			if(paper[i][j]==0)c++;
			if(paper[i][j]>=max)max=paper[i][j];
		}
	}
	printf("%d\n%d\n",c,max);
	return 0;
}

C++: #include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include <deque>
#include <stack>
#include <queue>
#include <set>
#include <map>
#include <bitset>
#include <algorithm>
#include <numeric>
#include <complex>
#include <functional>
#include <utility>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <climits>
#include <cctype>

using namespace std;

#define dump(n) cout<<"# "<<#n<<"="<<(n)<<endl
#define debug(n) cout<<__FILE__<<","<<__LINE__<<": #"<<#n<<"="<<(n)<<endl
#define repi(i,a,b) for(int i=int(a);i<int(b);i++)
#define rep(i,n) repi(i,0,n)
#define iter(c) __typeof((c).begin())
#define tr(c,i) for(iter(c) i=(c).begin();i!=(c).end();i++)
#define allof(c) (c).begin(),(c).end()
#define mp make_pair

typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<string> vs;
typedef pair<int,int> pii;

int main()
{
	const int ink[3][4][2]={
		{1,0,0,1,-1,0,0,-1},
		{1,1,-1,1,-1,-1,1,-1},
		{2,0,0,2,-2,0,0,-2},
	};
	int paper[12][12]={0};
	for(int x,y,size;~scanf("%d,%d,%d",&x,&y,&size);){
		paper[2+y][2+x]++;
		rep(i,size)
			rep(j,4)
				paper[2+y+ink[i][j][0]][2+x+ink[i][j][1]]++;
	}
	
	int white=0,thick=0;
	rep(i,10){
		thick=max(thick,*max_element(paper[2+i]+2,paper[2+i]+12));
		white+=count(paper[2+i]+2,paper[2+i]+12,0);
	}
	cout<<white<<endl;
	cout<<thick<<endl;
	
	return 0;
}

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

int main(){
	int x, y, s;
	int f[10][10];
	
	memset(f, 0, sizeof(f));
	
	while( scanf(" %d,%d,%d", &x, &y, &s) != EOF ){
		if(s==1){
			for(int i=y-1; i<=y+1; ++i){
				int a=0;
				if(i==y) a=1;	
				for(int j=x-a; j<=x+a; ++j){
					if(i>=0 && i<10 && j>=0 && j<10) f[i][j]++;
				}	
			}
		}
		else if(s==2){
			for(int i=y-1; i<=y+1; ++i){
				for(int j=x-1; j<=x+1; ++j){
					if(i>=0 && i<10 && j>=0 && j<10) f[i][j]++;
				}
			}	
		}
		else if(s==3){
			for(int i=y-2; i<=y+2; ++i){
				int a=y-i;
				if(a<0) a=-a;
				a=a-2;
				if(a<0) a=-a;	
				for(int j=x-a; j<=x+a; ++j){
					if(i>=0 && i<10 && j>=0 && j<10) f[i][j]++;
				}	
			}
		}
	}
	
	int max=0, count=100;
	for(int i=0; i<10; ++i){
		for(int j=0; j<10; ++j){
			printf("%d", f[i][j]);
			if(f[i][j]>0) count--;
			if(f[i][j]>max) max=f[i][j];
		}
		printf("\n");
	}
	
	printf("%d\n%d\n", count, max);
}