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 <iomanip>
#include <list>
#include <map>
#include <algorithm>
#include <stack>
#include <string>
#include <vector>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>

#define DEBUG 0

using namespace std;

struct INKI{
	int x;
	int y;
	int size;
};

int main(){
	int map[10][10];

	for(int i = 0; i < 10; i++){
		for(int j = 0; j < 10; j++){
			map[i][j] = 0;
		}
	}

	INKI tmp;
	while( scanf("%d,%d,%d", &tmp.x, &tmp.y, &tmp.size) ){
		if(tmp.size == 3){
			for(int i = -2; i <= 2; i++){
				if(tmp.y + i >= 0 && tmp.y + i < 10){
					map[tmp.y + i][tmp.x]++;
				}
				if(tmp.x + i >= 0 && tmp.x + i < 10){
					map[tmp.y][tmp.x + i]++;
				}
			}
			map[tmp.y][tmp.x]--;
			for(int i = -1; i <= 1; i += 2){
				if(tmp.y + i >= 0 && tmp.y + i < 10){
					for(int j = -1; j <= 1; j += 2){
						if(tmp.x + j >= 0 && tmp.x + j < 10){
							map[tmp.y + i][tmp.x + j]++;
						}
					}
				}
			}
		}
		else if(tmp.size == 2){
			for(int i = tmp.y - 1; i <= tmp.y + 1; i++){
				if(i >= 0 && i < 10){
					for(int j = tmp.x - 1; j <= tmp.x + 1; j++){
						if(j >= 0 && j < 10){
							map[i][j]++;
						}
					}
				}
			}
		}
		else if(tmp.size == 1){
			for(int i = -1; i <= 1; i++){
				if(tmp.y + i >= 0 && tmp.y + i < 10){
					map[tmp.y + i][tmp.x]++;
				}
				if(tmp.x + i >= 0 && tmp.x + i < 10){
					map[tmp.y][tmp.x + i]++;
				}
			}
			map[tmp.y][tmp.x]--;
		}
#if DEBUG
		for(int i = 0; i < 10; i++){
			for(int j = 0; j < 10; j++){
				if(j){
					cout << " ";
				}
				cout << map[i][j];
			}
			cout << endl;
		}
#endif


	}

	int noColor = 0;
	int koi = 0;

	for(int i = 0; i < 10; i++){
		for(int j = 0; j < 10; j++){
			if(map[i][j] == 0){
				noColor++;
			}
			if(koi < map[i][j]){
				koi = map[i][j];
			}
		}
	}

	cout << noColor << endl;
	cout << koi << endl;

	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;
		}
	}
	int x = 0; int y = 0; int size = 0;
	while (!cin.eof()){
		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 (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?????¢??°?????????

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

int main()
{
	char c;
	int x, y, s;
	vector<vector<int>> b(10, vector<int>(10));
	while (cin >> x >> c >> y >> c >> s) {
		if (s == 1) {
			for (int i = -1; i <= 1; i++) {
				for (int j = abs(i) - 1; j <= 1 - abs(i); j++) {
					if (x + i >= 0 && x + i <= 9 && y + j >= 0 && y + j <= 9) {
						b[x + i][y + j]++;
					}
				}
			}
		}
		else if (s == 2) {
			for (int i = -1; i <= 1; i++) {
				for (int j = -1; j <= 1; j++) {
					if (x + i >= 0 && x + i <= 9 && y + j >= 0 && y + j <= 9) {
						b[x + i][y + j]++;
					}
				}
			}
		}
		else {
			for (int i = -2; i <= 2; i++) {
				for (int j = abs(i) - 2; j <= 2 - abs(i); j++) {
					if (x + i >= 0 && x + i <= 9 && y + j >= 0 && y + j <= 9) {
						b[x + i][y + j]++;
					}
				}
			}
		}
	}
	int ma = 0, cnt = 0;
	for (int i = 0; i <= 9; i++) {
		for (int j = 0; j <= 9; j++) {
			if (b[i][j]) {
				cnt++;
				ma = max(ma, b[i][j]);
			}
		}
	}
	cout << 100 - cnt << endl;
	cout << ma << endl;
	return 0;
}

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

#define Vint vector<int>
#define VVint vector<Vint>
#define Fsize() front().size()

int VVint_zero(VVint vv) {
	int num = 0;
	for (int i = 0; i < (int)vv.size(); i++) {
		for (int j = 0; j < (int)vv.Fsize(); j++) {
			if (vv[i][j] == 0) num++;
		}
	}
	return num;
}

int VVint_max(VVint vv) {
	int max = 0;
	for (int i = 0; i < (int)vv.size(); i++) {
		for (int j = 0; j < (int)vv.Fsize(); j++) {
			if (vv[i][j] > max) max = vv[i][j];
		}
	}
	return max;
}

int main() {
	int x, y, s;
	char cha;
	string str, str_x, str_y, str_s;
	VVint vec(10, Vint(10, 0));
	while (cin >> x >> cha >> y >> cha >> s) {
		vec[y][x] += 1;
		if (y - 1 >= 0) vec[y - 1][x]++;
		if (y + 1 < 10) vec[y + 1][x]++;
		if (x - 1 >= 0) vec[y][x - 1]++;
		if (x + 1 < 10) vec[y][x + 1]++;
		if (s >= 2) {
			if (y - 1 >= 0 && x - 1 >= 0) vec[y - 1][x - 1]++;
			if (y - 1 >= 0 && x + 1 < 10) vec[y - 1][x + 1]++;
			if (y + 1 < 10 && x - 1 >= 0) vec[y + 1][x - 1]++;
			if (y + 1 < 10 && x + 1 < 10) vec[y + 1][x + 1]++;
		}
		if (s == 3) {
			if (y - 2 >= 0) vec[y - 2][x]++;
			if (y + 2 < 10) vec[y + 2][x]++;
			if (x - 2 >= 0) vec[y][x - 2]++;
			if (x + 2 < 10) vec[y][x + 2]++;
		}
	}
	cout << VVint_zero(vec) << endl;
	cout << VVint_max(vec) << endl;
	return 0;
}