主頁 > 後端開發 > Canvas悟空推箱子

Canvas悟空推箱子

2020-09-10 20:20:25 後端開發

Canvas悟空推箱子

在這里插入圖片描述

??“學如逆水行舟,不進則退”,作業之余我總會瀏覽一些先進前端知識以增強自己的知識儲備,偶爾也會試著開發或模仿小游戲、程式、app ,昨天在 站長之家 發現了這個游戲,觸動很大,先是玩了一晚上,只過了13關,今天把注釋寫上了,截取了前40關分享給大家,希望大家在玩耍之余能抽出時間學習或了解前端,前端是門手藝,它會像筷子一樣離不開人們的生活,
??個人能力有限,只能解答博友們一些淺顯的問題,甚至不如百度百科及時、準確,如今前端就業形式一片大好,在一線城市薪資過萬,優秀的前端工程師只需要5年,就可以解決住房問題,讓父母老有所依,希望忙碌的你可以抽出時間多陪伴一下家人,家是自己唯一的港灣,承載著你所有的眷戀,

<!doctype html>
<html lang="en">
    <head>
    <meta charset="GB2312">
    <title>HTML5 canvas小人推箱子小游戲</title>
    <style>
        *{
            margin:0px;
            padding:0px;
        }
        body{
            overflow:hidden;
        }
        .game{
            position: relative;
            width:560px;
            margin:20px auto;
        }
        .game #msg{
            position: absolute;top:0;
            font:18px/1 華文楷體,華文琥珀;
        }
        .game #btn{
            position: absolute;right:0;bottom:4px;
        }
    </style>
</head>
<body onkeydown="doKeyDown(event)">
    <div class="game">
        <canvas id="canvas" width="560" height="560"></canvas>
        <div id="msg"></div>
        <div id="btn">
            <input type="button" value="上一關" onClick="NextLevel(-1)">
            <input type="button" value="下一關" onClick="NextLevel(1)">
            <input type="button" value="重玩本關" onClick="NextLevel(0)">
            <input type="button" value="游戲說明" onClick="showHelp()">
        </div>
    </div>
</body> 
<script>
    var can = document.getElementById("canvas");
    var msg = document.getElementById("msg");
    var cxt = can.getContext("2d");
    var w = 35,h = 35;
    var curMap;//當前的地圖
    var curLevel;//當前等級的地圖
    var curMan;//初始化小人
    var iCurlevel = 0;//關卡數
    var moveTimes = 0;//移動了多少次

    //預加載所有圖片
    var oImgs = {
        "block" : "https://img-blog.csdnimg.cn/20200907200323829.gif#pic_center",
        "wall" : "https://img-blog.csdnimg.cn/20200907200352103.png#pic_center",
        "box" : "https://img-blog.csdnimg.cn/20200907200329709.png#pic_center",
        "ball" : "https://img-blog.csdnimg.cn/20200907200309333.png#pic_center",
        "up" : "https://img-blog.csdnimg.cn/20200907200348854.png#pic_center",
        "down" : "https://img-blog.csdnimg.cn/20200907200334961.png#pic_center",
        "left" : "https://img-blog.csdnimg.cn/20200907200340792.png#pic_center",
        "right" : "https://img-blog.csdnimg.cn/20200907200344452.png#pic_center",
    }
    function imgPreload(srcs,callback){
        var count = 0,imgNum = 0,images = {};

        for(src in srcs){
            imgNum++;
        }
        for(src in srcs ){
            images[src] = new Image();
            images[src].onload = function(){
                //判斷是否所有的圖片都預加載完成
                if (++count >= imgNum)
                {
                    callback(images);
                }
            }
            images[src].src = srcs[src];
        }
    }
    var block,wall,box,ball,up,down,left,right;
    imgPreload(oImgs,function(images){
        //console.log(images.block);
        block = images.block;
        wall = images.wall;
        box = images.box;
        ball = images.ball;
        up = images.up;
        down = images.down;
        left = images.left;
        right = images.right;
        init();
    });
    //初始化游戲
    function init(){
        //InitMap();
        //DrawMap(levels[0]);
        initLevel();//初始化對應等級的游戲
        showMoveInfo();//初始化對應等級的游戲資料
    }
    //繪制地板
    function InitMap(){
        for (var i=0;i<16 ;i++ )
        {
            for (var j=0;j<16 ;j++ )
            {
                cxt.drawImage(block,w*j,h*i,w,h);
            }
        }
    }
    //小人位置坐標
    function Point(x,y){
        this.x = x;
        this.y = y;
    }
    var perPosition = new Point(5,5);//小人的初始標值
    //繪制每個游戲關卡地圖
    function DrawMap(level){
        for (var i=0;i<level.length ;i++ )
        {
            for (var j=0;j<level[i].length ;j++ )
            {
                var pic = block;//初始圖片
                switch (level[i][j])
                {
                case 1://繪制墻壁
                    pic = wall;
                    break;
                case 2://繪制陷進
                    pic = ball;
                    break;
                case 3://繪制箱子
                    pic = box;
                    break;
                case 4://繪制小人
                    pic = curMan;//小人有四個方向 具體顯示哪個圖片需要和上下左右方位值關聯
                    //獲取小人的坐標位置
                    perPosition.x = i;
                    perPosition.y = j;
                    break;
                case 5://繪制箱子及陷進位置
                    pic = box;
                    break;
                }
                //每個圖片不一樣寬 需要在對應地板的中心繪制地圖
                cxt.drawImage(pic,w*j-(pic.width-w)/2,h*i-(pic.height-h),pic.width,pic.height)
            }
        }
    }
    //初始化游戲等級
    function initLevel(){
        curMap = copyArray(levels[iCurlevel]);//當前移動過的游戲地圖
        curLevel = levels[iCurlevel];//當前等級的初始地圖
        curMan = down;//初始化小人
        InitMap();//初始化地板
        DrawMap(curMap);//繪制出當前等級的地圖
    }
    //下一關
    function NextLevel(i){
        //iCurlevel當前的地圖關數
        iCurlevel = iCurlevel + i;
        if (iCurlevel<0)
        {
            iCurlevel = 0;
            return;
        }
        var len = levels.length;
        if (iCurlevel > len-1)
        {
            iCurlevel = len-1;
        }
        initLevel();//初始當前等級關卡
        moveTimes = 0;//游戲關卡移動步數清零
        showMoveInfo();//初始化當前關卡資料
    }
    //小人移動
    function go(dir){
        var p1,p2;
        switch (dir)
        {
        case "up":
            curMan = up;
            //獲取小人前面的兩個坐標位置來進行判斷小人是否能夠移動
            p1 = new Point(perPosition.x-1,perPosition.y);
            p2 = new Point(perPosition.x-2,perPosition.y);
            break;
        case "down":
            curMan = down;
            p1 = new Point(perPosition.x+1,perPosition.y);
            p2 = new Point(perPosition.x+2,perPosition.y);
            break;
        case "left":
            curMan = left;
            p1 = new Point(perPosition.x,perPosition.y-1);
            p2 = new Point(perPosition.x,perPosition.y-2);
            break;
        case "right":
            curMan = right;
            p1 = new Point(perPosition.x,perPosition.y+1);
            p2 = new Point(perPosition.x,perPosition.y+2);
            break;
        }
        //若果小人能夠移動的話,更新游戲資料,并重繪地圖
        if (Trygo(p1,p2))
        {
            moveTimes ++;
            showMoveInfo();
        }
        //重繪地板
        InitMap();
        //重繪當前更新了資料的地圖
        DrawMap(curMap);
        //若果移動完成了進入下一關
        if (checkFinish())
        {
            alert("恭喜過關!");
            NextLevel(1);
        }
    }
    //判斷是否推成功
    function checkFinish(){
        for (var i=0;i<curMap.length ;i++ )
        {
            for (var j=0;j<curMap[i].length ;j++ )
            {
                //當前移動過的地圖和初始地圖進行比較,若果初始地圖上的陷進引數在移動之后不是箱子的話就指代沒推成功
                if (curLevel[i][j] == 2 && curMap[i][j] != 3 || curLevel[i][j] == 5 && curMap[i][j] != 3)
                {
                    return false;
                }
            }
        }
        return true;
    }
    //判斷小人是否能夠移動
    function Trygo(p1,p2){
        if(p1.x<0) return false;//若果超出地圖的上邊,不通過
        if(p1.y<0) return false;//若果超出地圖的左邊,不通過
        if(p1.x>curMap.length) return false;//若果超出地圖的下邊,不通過
        if(p1.y>curMap[0].length) return false;//若果超出地圖的右邊,不通過
        if(curMap[p1.x][p1.y]==1) return false;//若果前面是墻,不通過
        if (curMap[p1.x][p1.y]==3 || curMap[p1.x][p1.y]==5)
        {//若果小人前面是箱子那就還需要判斷箱子前面有沒有障礙物(箱子/墻)
            if (curMap[p2.x][p2.y]==1 || curMap[p2.x][p2.y]==3)
            {
                return false;
            }
            //若果判斷不成功小人前面的箱子前進一步
            curMap[p2.x][p2.y] = 3;//更改地圖對應坐標點的值
            //console.log(curMap[p2.x][p2.y]);
        }
        //若果都沒判斷成功小人前進一步
        curMap[p1.x][p1.y] = 4;//更改地圖對應坐標點的值
        //若果小人前進了一步,小人原來的位置如何顯示
        var v = curLevel[perPosition.x][perPosition.y];
        if (v!=2)//若果剛開始小人位置不是陷進的話
        {
            if (v==5)//可能是5 既有箱子又陷進
            {
                v=2;//若果小人本身就在陷進里面的話移開之后還是顯示陷進
            }else{
                v=0;//小人移開之后之前小人的位置改為地板
            }
        }
        //重置小人位置的地圖引數
        curMap[perPosition.x][perPosition.y] = v;
        //若果判斷小人前進了一步,更新坐標值
        perPosition = p1;
        //若果小動了 回傳true 指代能夠移動小人
        return true;
    }
    //判斷是否推成功
    //與鍵盤上的上下左右鍵關聯
    function doKeyDown(event){
        switch (event.keyCode)
        {
        case 37://左鍵頭
            go("left");
            break;
        case 38://上鍵頭
            go("up");
            break;
        case 39://右箭頭
            go("right");
            break;
        case 40://下箭頭
            go("down");
            break;
        }

    }
    //完善關卡資料及游戲說明
    function showMoveInfo(){
        msg.innerHTML = "第" + (iCurlevel+1) +"關 移動次數: "+ moveTimes;
    }
    //游戲說明
    var showhelp = false;
    function showHelp(){
        showhelp = !showhelp;
        if (showhelp)
        {
            msg.innerHTML = "用鍵盤上的上、下、左、右鍵移動小人,把箱子全部推到小球的位置即可過關,箱子只可向前推,不能往后拉,并且小人一次只能推動一個箱子,";
        }else{
            showMoveInfo();
        }
    }

    //克隆二維陣列
    function copyArray(arr){
        var b=[];//每次移動更新地圖資料都先清空再添加新的地圖
        for (var i=0;i<arr.length ;i++ )
        {
            b[i] = arr[i].concat();//鏈接兩個陣列
        }
        return b;
    }

//地圖,可修改
var levels=[];
levels[0]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0],
[0,0,0,0,0,0,1,2,1,0,0,0,0,0,0,0],
[0,0,0,0,0,0,1,0,1,1,1,1,0,0,0,0],
[0,0,0,0,1,1,1,3,0,3,2,1,0,0,0,0],
[0,0,0,0,1,2,0,3,4,1,1,1,0,0,0,0],
[0,0,0,0,1,1,1,1,3,1,0,0,0,0,0,0],
[0,0,0,0,0,0,0,1,2,1,0,0,0,0,0,0],
[0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];

levels[1]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,0,0,0,0,0,0,0],
[0,0,0,0,1,4,0,0,1,0,0,0,0,0,0,0],
[0,0,0,0,1,0,3,3,1,0,1,1,1,0,0,0],
[0,0,0,0,1,0,3,0,1,0,1,2,1,0,0,0],
[0,0,0,0,1,1,1,0,1,1,1,2,1,0,0,0],
[0,0,0,0,0,1,1,0,0,0,0,2,1,0,0,0],
[0,0,0,0,0,1,0,0,0,1,0,0,1,0,0,0],
[0,0,0,0,0,1,0,0,0,1,1,1,1,0,0,0],
[0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[2]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0],
[0,0,0,0,1,0,0,0,0,0,1,1,1,0,0,0],
[0,0,0,1,1,3,1,1,1,0,0,0,1,0,0,0],
[0,0,0,1,0,4,0,3,0,0,3,0,1,0,0,0],
[0,0,0,1,0,2,2,1,0,3,0,1,1,0,0,0],
[0,0,0,1,1,2,2,1,0,0,0,1,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[3]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,1,1,1,1,0,0,0,0,0,0,0],
[0,0,0,0,1,1,0,0,1,0,0,0,0,0,0,0],
[0,0,0,0,1,4,3,0,1,0,0,0,0,0,0,0],
[0,0,0,0,1,1,3,0,1,1,0,0,0,0,0,0],
[0,0,0,0,1,1,0,3,0,1,0,0,0,0,0,0],
[0,0,0,0,1,2,3,0,0,1,0,0,0,0,0,0],
[0,0,0,0,1,2,2,5,2,1,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[4]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0],
[0,0,0,0,0,1,4,0,1,1,1,0,0,0,0,0],
[0,0,0,0,0,1,0,3,0,0,1,0,0,0,0,0],
[0,0,0,0,1,1,1,0,1,0,1,1,0,0,0,0],
[0,0,0,0,1,2,1,0,1,0,0,1,0,0,0,0],
[0,0,0,0,1,2,3,0,0,1,0,1,0,0,0,0],
[0,0,0,0,1,2,0,0,0,3,0,1,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[5]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0],
[0,1,1,1,1,0,0,0,0,0,1,0,0,0,0,0],
[0,1,0,0,0,2,1,1,1,0,1,0,0,0,0,0],
[0,1,0,1,0,1,0,0,0,0,1,1,0,0,0,0],
[0,1,0,1,0,3,0,3,1,2,0,1,0,0,0,0],
[0,1,0,1,0,0,5,0,0,1,0,1,0,0,0,0],
[0,1,0,2,1,3,0,3,0,1,0,1,0,0,0,0],
[0,1,1,0,0,0,0,1,0,1,0,1,1,1,0,0],
[0,0,1,0,1,1,1,2,0,0,0,0,4,1,0,0],
[0,0,1,0,0,0,0,0,1,1,0,0,0,1,0,0],
[0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[6]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,1,1,1,1,1,1,1,0,0,0],
[0,0,0,0,0,1,1,0,0,1,0,4,1,0,0,0],
[0,0,0,0,0,1,0,0,0,1,0,0,1,0,0,0],
[0,0,0,0,0,1,3,0,3,0,3,0,1,0,0,0],
[0,0,0,0,0,1,0,3,1,1,0,0,1,0,0,0],
[0,0,0,1,1,1,0,3,0,1,0,1,1,0,0,0],
[0,0,0,1,2,2,2,2,2,0,0,1,0,0,0,0],
[0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[7]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,1,1,1,0,0,0,0,1,0,0,0,0],
[0,0,0,1,1,2,0,3,1,1,0,1,1,0,0,0],
[0,0,0,1,2,2,3,0,3,0,0,4,1,0,0,0],
[0,0,0,1,2,2,0,3,0,3,0,1,1,0,0,0],
[0,0,0,1,1,1,1,1,1,0,0,1,0,0,0,0],
[0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[8]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,1,0,0,1,1,0,0,0,1,0,0,0,0],
[0,0,0,1,0,0,0,3,0,0,0,1,0,0,0,0],
[0,0,0,1,3,0,1,1,1,0,3,1,0,0,0,0],
[0,0,0,1,0,1,2,2,2,1,0,1,0,0,0,0],
[0,0,1,1,0,1,2,2,2,1,0,1,1,0,0,0],
[0,0,1,0,3,0,0,3,0,0,3,0,1,0,0,0],
[0,0,1,0,0,0,0,0,1,0,4,0,1,0,0,0],
[0,0,1,1,1,1,1,1,1,1,1,1,1,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[9]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0],
[0,0,0,0,1,1,1,3,3,3,0,1,0,0,0,0],
[0,0,0,0,1,4,0,3,2,2,0,1,0,0,0,0],
[0,0,0,0,1,0,3,2,2,2,1,1,0,0,0,0],
[0,0,0,0,1,1,1,1,0,0,1,0,0,0,0,0],
[0,0,0,0,0,0,0,1,1,1,1,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[10]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,1,1,1,1,0,0,1,1,1,1,1,0,0],
[0,0,1,1,0,0,1,0,0,1,0,0,0,1,0,0],
[0,0,1,0,3,0,1,1,1,1,3,0,0,1,0,0],
[0,0,1,0,0,3,2,2,2,2,0,3,0,1,0,0],
[0,0,1,1,0,0,0,0,1,0,4,0,1,1,0,0],
[0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[11]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0],
[0,0,0,0,1,1,1,0,0,4,1,0,0,0,0,0],
[0,0,0,0,1,0,0,3,2,0,1,1,0,0,0,0],
[0,0,0,0,1,0,0,2,3,2,0,1,0,0,0,0],
[0,0,0,0,1,1,1,0,5,3,0,1,0,0,0,0],
[0,0,0,0,0,0,1,0,0,0,1,1,0,0,0,0],
[0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[12]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0],
[0,0,0,0,0,0,1,2,2,1,0,0,0,0,0,0],
[0,0,0,0,0,1,1,0,2,1,1,0,0,0,0,0],
[0,0,0,0,0,1,0,0,3,2,1,0,0,0,0,0],
[0,0,0,0,1,1,0,3,0,0,1,1,0,0,0,0],
[0,0,0,0,1,0,0,1,3,3,0,1,0,0,0,0],
[0,0,0,0,1,0,0,4,0,0,0,1,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[13]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,1,0,0,1,0,0,0,1,0,0,0,0],
[0,0,0,0,1,0,3,2,2,3,0,1,0,0,0,0],
[0,0,0,0,1,4,3,2,5,0,1,1,0,0,0,0],
[0,0,0,0,1,0,3,2,2,3,0,1,0,0,0,0],
[0,0,0,0,1,0,0,1,0,0,0,1,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[14]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,1,1,0,0,0,0,1,0,0,0,0,0],
[0,0,0,0,1,0,3,0,3,3,0,1,0,0,0,0],
[0,0,0,0,1,2,2,2,2,2,2,1,0,0,0,0],
[0,0,0,0,1,0,3,3,0,3,0,1,0,0,0,0],
[0,0,0,0,1,1,1,0,4,1,1,1,0,0,0,0],
[0,0,0,0,0,0,1,1,1,1,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[15]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0],
[0,0,0,0,1,0,0,0,0,1,1,1,0,0,0,0],
[0,0,0,0,1,0,3,0,0,0,0,1,0,0,0,0],
[0,0,1,1,1,0,3,0,1,1,0,1,0,0,0,0],
[0,0,1,2,2,2,0,3,0,0,0,1,0,0,0,0],
[0,0,1,2,2,2,3,1,3,0,1,1,0,0,0,0],
[0,0,1,1,1,1,0,1,0,3,0,1,0,0,0,0],
[0,0,0,0,0,1,0,0,4,0,0,1,0,0,0,0],
[0,0,0,0,0,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[16]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,1,1,1,1,1,1,0,0,0,0,0,0,0],
[0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0],
[0,0,0,1,0,3,3,3,1,1,0,0,0,0,0,0],
[0,0,0,1,0,0,1,2,2,1,1,1,0,0,0,0],
[0,0,0,1,1,0,0,2,2,3,0,1,0,0,0,0],
[0,0,0,0,1,0,4,0,0,0,0,1,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[17]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0],
[0,0,0,0,0,1,0,0,0,1,2,0,1,0,0,0],
[0,0,0,0,1,1,0,0,3,2,2,2,1,0,0,0],
[0,0,0,0,1,0,0,3,0,1,5,2,1,0,0,0],
[0,0,0,1,1,0,1,1,3,1,0,1,1,0,0,0],
[0,0,0,1,0,0,0,3,0,0,3,0,1,0,0,0],
[0,0,0,1,0,0,0,1,0,0,0,0,1,0,0,0],
[0,0,0,1,1,1,1,1,1,1,4,0,1,0,0,0],
[0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[18]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0],
[0,0,0,0,1,2,2,2,2,0,1,0,0,0,0,0],
[0,0,0,1,1,1,2,2,2,3,1,1,1,0,0,0],
[0,0,0,1,0,0,3,1,3,0,3,0,1,0,0,0],
[0,0,0,1,0,3,3,0,0,1,3,0,1,0,0,0],
[0,0,0,1,0,0,0,0,1,0,0,0,1,0,0,0],
[0,0,0,1,1,1,1,0,4,0,1,1,1,0,0,0],
[0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[19]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0],
[0,0,0,0,1,2,2,3,2,2,1,0,0,0,0,0],
[0,0,0,0,1,2,2,1,2,2,1,0,0,0,0,0],
[0,0,0,0,1,0,3,3,3,0,1,0,0,0,0,0],
[0,0,0,0,1,0,0,3,0,0,1,0,0,0,0,0],
[0,0,0,0,1,0,3,3,3,0,1,0,0,0,0,0],
[0,0,0,0,1,0,0,1,4,0,1,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[20]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0],
[0,0,0,0,0,1,0,2,2,2,1,0,0,0,0,0],
[0,0,1,1,1,1,2,2,2,2,1,0,0,0,0,0],
[0,0,1,0,0,1,1,1,3,0,1,1,1,0,0,0],
[0,0,1,0,3,0,3,0,0,3,3,0,1,0,0,0],
[0,0,1,4,0,3,0,3,0,0,0,0,1,0,0,0],
[0,0,1,0,0,0,1,1,1,0,0,0,1,0,0,0],
[0,0,1,1,1,1,1,0,1,1,1,1,1,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[21]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0],
[0,0,0,0,1,0,1,3,3,0,0,1,0,0,0,0],
[0,0,0,0,1,0,2,2,2,1,0,1,0,0,0,0],
[0,0,0,0,1,1,2,2,2,3,0,1,1,0,0,0],
[0,0,0,0,0,1,0,1,1,0,3,0,1,0,0,0],
[0,0,0,0,0,1,3,0,0,3,0,0,1,0,0,0],
[0,0,0,0,0,1,0,0,1,0,0,4,1,0,0,0],
[0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[22]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,1,1,1,1,1,0,0,0,0,0,0],
[0,0,0,1,1,1,0,0,0,1,1,1,1,0,0,0],
[0,0,0,1,0,0,0,3,0,3,0,0,1,0,0,0],
[0,0,0,1,0,3,0,0,0,3,0,4,1,0,0,0],
[0,0,0,1,1,1,3,3,1,1,1,1,1,0,0,0],
[0,0,0,0,0,1,0,0,2,2,1,0,0,0,0,0],
[0,0,0,0,0,1,2,2,2,2,1,0,0,0,0,0],
[0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[23]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,1,1,1,1,1,1,0,0,0,1,1,1,1,1,0],
[0,1,0,0,0,0,1,1,1,0,1,0,0,2,1,0],
[0,1,0,0,3,0,3,0,1,0,1,2,2,2,1,0],
[0,1,0,1,0,0,3,0,1,1,1,0,0,2,1,0],
[0,1,0,0,3,3,3,0,0,0,3,0,4,2,1,0],
[0,1,1,1,0,0,3,0,0,3,1,0,0,2,1,0],
[0,0,0,1,0,0,3,1,3,0,1,2,2,2,1,0],
[0,0,0,1,1,0,0,0,0,0,1,0,0,2,1,0],
[0,0,0,0,1,1,1,1,1,1,1,1,1,1,1,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[24]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0],
[0,0,0,1,1,1,1,1,2,0,0,0,1,0,0,0],
[0,0,0,1,0,0,1,2,2,1,1,0,1,0,0,0],
[0,0,0,1,0,0,3,2,2,0,0,0,1,0,0,0],
[0,0,0,1,0,0,1,0,2,1,0,1,1,0,0,0],
[0,0,1,1,1,0,1,1,3,1,0,0,1,0,0,0],
[0,0,1,0,3,0,0,0,0,3,3,0,1,0,0,0],
[0,0,1,0,1,3,1,0,0,1,0,0,1,0,0,0],
[0,0,1,4,0,0,1,1,1,1,1,1,1,0,0,0],
[0,0,1,1,1,1,1,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[25]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,1,0,0,0,1,1,0,0,1,1,1,1,0],
[0,0,0,1,0,3,0,0,0,0,0,0,0,0,1,0],
[0,0,0,1,1,3,1,1,1,0,1,1,0,0,1,0],
[0,0,0,1,0,0,1,1,0,5,0,1,0,1,1,0],
[0,0,0,1,0,3,2,2,2,2,2,2,0,1,0,0],
[0,0,1,1,0,1,1,1,0,2,0,1,0,1,0,0],
[0,0,1,0,0,0,0,0,3,1,1,1,3,1,0,0],
[0,0,1,0,0,0,1,0,0,0,0,3,4,1,0,0],
[0,0,1,1,1,1,1,3,1,0,1,1,1,1,0,0],
[0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0],
[0,0,0,0,0,0,1,1,1,1,1,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[26]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,0],
[0,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0],
[0,0,0,0,0,0,1,0,1,0,1,0,1,0,1,0],
[0,0,0,0,0,0,1,0,0,3,0,3,1,0,1,0],
[1,1,1,1,1,1,1,0,0,0,3,0,0,0,1,0],
[1,2,2,1,0,0,1,1,0,3,0,3,1,0,1,0],
[1,2,2,0,0,0,1,1,0,3,0,3,0,0,1,0],
[1,2,2,1,0,0,1,1,0,1,1,1,1,1,1,0],
[1,2,2,1,0,1,0,3,0,3,0,1,0,0,0,0],
[1,2,2,0,0,0,0,0,3,0,0,1,0,0,0,0],
[1,0,0,1,1,1,0,4,0,1,1,1,0,0,0,0],
[1,1,1,1,0,1,1,1,1,1,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[27]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0],
[1,1,1,1,1,0,0,1,0,0,0,0,0,0,0,0],
[1,0,0,3,0,3,0,1,0,1,1,1,1,1,1,1],
[1,0,0,0,3,0,0,1,0,1,5,2,5,2,5,1],
[1,1,0,3,0,3,0,1,1,1,2,5,2,5,2,1],
[0,1,3,0,3,0,0,1,0,0,5,2,5,2,5,1],
[0,1,4,3,0,3,0,0,0,0,2,5,2,5,1,1],
[0,1,3,0,3,0,0,1,0,0,5,2,5,2,5,1],
[1,1,0,3,0,3,0,1,1,1,2,5,2,5,2,1],
[1,0,0,0,3,0,0,1,0,1,5,2,5,2,5,1],
[1,0,0,3,0,3,0,1,0,1,1,1,1,1,1,1],
[1,1,1,1,1,0,0,1,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[28]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,1,2,2,2,2,2,2,1,0,0,0,0],
[0,0,0,0,1,0,0,3,0,1,0,1,1,0,0,0],
[0,0,0,0,1,0,3,0,1,0,3,0,1,0,0,0],
[0,0,0,0,1,1,3,0,3,0,3,0,1,0,0,0],
[0,0,0,0,0,1,0,0,4,0,0,0,1,0,0,0],
[0,0,0,0,0,1,1,1,1,1,1,1,1,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[29]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,1,1,1,0,0],
[0,0,1,1,1,0,0,0,2,0,0,0,0,1,0,0],
[0,0,1,0,0,0,1,1,3,1,1,0,0,1,0,0],
[0,0,1,0,4,3,2,0,2,0,2,3,1,1,0,0],
[0,0,1,1,0,3,1,1,3,1,1,0,1,0,0,0],
[0,0,0,1,0,0,0,0,2,0,0,0,1,0,0,0],
[0,0,0,1,1,1,1,1,1,1,1,1,1,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[30]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,1,1,1,1,1,1,0,0,0],
[0,0,0,0,1,1,1,1,2,0,0,4,1,0,0,0],
[0,0,0,0,1,0,0,3,3,3,0,0,1,0,0,0],
[0,0,0,0,1,2,1,1,2,1,1,2,1,0,0,0],
[0,0,0,0,1,0,0,0,3,0,0,0,1,0,0,0],
[0,0,0,0,1,0,0,3,2,1,0,1,1,0,0,0],
[0,0,0,0,1,1,1,1,0,0,0,1,0,0,0,0],
[0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[31]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0],
[0,0,0,0,1,2,0,2,2,1,0,0,0,0,0,0],
[0,0,0,0,1,2,0,3,2,1,0,0,0,0,0,0],
[0,0,0,1,1,1,0,0,3,1,1,0,0,0,0,0],
[0,0,0,1,0,3,0,0,3,0,1,0,0,0,0,0],
[0,0,0,1,0,1,3,1,1,0,1,0,0,0,0,0],
[0,0,0,1,0,0,0,4,0,0,1,0,0,0,0,0],
[0,0,0,1,1,1,1,1,1,1,1,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[32]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,1,1,1,1,1,1,0,0,0,0,0],
[0,0,0,1,1,1,0,0,0,0,1,1,1,0,0,0],
[0,0,0,1,0,0,0,1,3,0,0,0,1,1,1,0],
[0,0,0,1,0,0,0,3,0,0,0,3,3,0,1,0],
[0,0,0,1,0,3,3,0,1,3,0,0,0,0,1,0],
[0,0,0,1,1,0,0,0,3,0,0,0,3,0,1,0],
[0,1,1,1,1,1,1,0,1,3,1,1,1,1,1,0],
[0,1,2,2,4,0,1,3,0,0,1,0,0,0,0,0],
[0,1,2,1,2,2,0,0,3,1,1,0,0,0,0,0],
[0,1,2,2,2,2,3,1,0,1,0,0,0,0,0,0],
[0,1,2,2,2,2,0,0,0,1,0,0,0,0,0,0],
[0,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[33]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0],
[1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0],
[1,0,3,0,1,3,0,1,0,3,1,1,3,0,1,0],
[1,0,1,0,0,3,0,1,0,0,0,0,0,0,1,0],
[1,0,0,0,1,1,3,1,3,1,1,3,3,0,1,0],
[1,0,1,0,1,0,2,2,2,0,1,0,0,0,1,0],
[1,0,3,0,0,2,0,1,0,2,3,0,1,0,1,0],
[1,0,3,1,4,3,2,2,2,1,0,1,0,0,1,0],
[1,0,0,0,0,2,0,1,0,2,0,0,3,0,1,0],
[1,0,1,1,2,3,1,1,1,3,2,0,1,0,1,0],
[1,0,1,0,3,2,2,2,2,2,0,1,1,0,1,0],
[1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0],
[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[34]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,1,0,0,0,1,1,0,0,1,0,0,0,0],
[0,0,0,1,0,1,0,3,0,3,0,1,0,0,0,0],
[0,0,0,1,0,0,5,2,1,0,0,1,0,0,0,0],
[0,0,0,1,1,0,1,2,4,2,1,1,0,0,0,0],
[0,0,0,1,1,3,1,1,1,5,1,1,1,0,0,0],
[0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0],
[0,0,0,1,0,0,0,1,1,0,1,0,1,0,0,0],
[0,0,0,1,1,1,1,1,1,0,0,0,1,0,0,0],
[0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[35]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0],
[1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0],
[1,0,3,3,0,0,0,1,1,1,0,0,0,0,0,0],
[1,0,0,3,0,3,3,3,0,1,1,1,1,1,0,0],
[1,1,0,1,1,0,2,2,2,0,0,0,0,1,1,0],
[0,1,0,1,4,1,2,2,2,1,1,1,3,0,1,0],
[0,1,0,1,0,3,2,2,2,0,0,0,0,0,1,0],
[1,1,0,1,0,3,2,2,2,3,0,1,0,1,1,0],
[1,0,0,1,1,1,1,1,0,1,1,1,0,1,0,0],
[1,0,0,0,0,0,0,3,0,0,0,3,0,1,0,0],
[1,1,1,1,1,1,1,1,1,1,1,0,0,1,0,0],
[0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[36]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,0,1,0,4,0,1,0,0,0,0],
[0,0,0,0,0,0,0,1,3,3,3,1,0,0,0,0],
[0,0,0,0,1,1,1,1,0,0,0,1,0,0,0,0],
[0,0,0,0,1,0,0,0,2,1,3,1,1,0,0,0],
[0,0,0,0,1,0,3,2,3,2,0,2,1,0,0,0],
[0,0,0,0,1,0,0,1,2,1,2,1,1,0,0,0],
[0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[37]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,1,1,1,1,1,1,1,1,1,1,1,1,0,0],
[0,0,1,2,2,2,0,1,0,0,0,0,0,1,0,0],
[0,0,1,2,2,0,0,1,0,1,1,0,0,1,0,0],
[0,0,1,2,2,0,0,0,0,0,1,0,0,1,0,0],
[0,0,1,2,2,0,0,1,0,3,1,1,0,1,0,0],
[0,0,1,2,2,2,0,1,3,0,3,0,0,1,0,0],
[0,0,1,1,1,1,1,1,0,0,3,3,0,1,0,0],
[0,0,0,1,1,0,0,3,0,3,3,0,0,1,0,0],
[0,0,0,1,4,0,3,3,3,0,0,1,0,1,0,0],
[0,0,0,1,1,0,3,0,1,1,0,0,0,1,0,0],
[0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0],
[0,0,0,0,1,1,1,1,1,1,1,1,1,1,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[38]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0],
[0,0,0,1,0,0,3,0,3,0,3,1,0,0,0,0],
[0,0,0,1,1,0,1,3,1,1,0,1,0,0,0,0],
[0,0,0,0,1,0,2,2,0,2,2,1,1,0,0,0],
[0,0,0,0,1,1,2,2,0,2,2,0,1,0,0,0],
[0,0,0,0,0,1,0,1,1,3,1,0,1,1,0,0],
[0,0,0,0,0,1,3,0,3,0,3,0,0,1,0,0],
[0,0,0,0,0,1,0,0,0,0,0,0,4,1,0,0],
[0,0,0,0,0,1,1,1,1,1,1,1,1,1,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[39]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[1,1,1,1,1,0,0,0,0,0,0,1,1,1,1,0],
[1,4,0,0,1,1,1,1,1,1,1,1,0,0,1,0],
[1,1,0,3,0,0,0,0,0,0,0,3,0,0,1,0],
[0,1,0,1,0,1,0,0,1,1,1,1,0,0,1,0],
[0,1,0,0,3,0,0,0,1,1,1,1,3,1,1,0],
[0,1,3,0,1,1,0,1,0,3,0,3,0,1,0,0],
[1,1,0,3,0,0,3,1,0,0,0,0,0,1,0,0],
[1,0,0,0,1,0,0,0,0,0,0,1,0,1,0,0],
[1,0,0,0,1,1,1,1,1,3,1,1,1,1,0,0],
[1,1,1,1,1,0,0,0,1,0,0,0,1,0,0,0],
[0,0,0,0,1,2,2,2,0,0,3,0,1,0,0,0],
[0,0,0,0,1,2,2,2,2,1,0,0,1,0,0,0],
[0,0,0,0,1,2,2,2,2,1,1,1,1,0,0,0],
[0,0,0,0,1,1,1,1,1,1,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];


levels[40]=[
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0],
[0,0,0,0,1,1,1,1,1,0,0,0,1,0,0,0],
[0,0,0,0,1,0,2,2,0,3,1,0,1,0,0,0],
[0,0,0,0,1,0,1,2,5,0,0,0,1,0,0,0],
[0,0,0,1,1,0,5,2,1,3,0,1,1,0,0,0],
[0,0,0,1,0,3,0,0,3,0,0,1,0,0,0,0],
[0,0,0,1,0,0,0,1,1,0,4,1,0,0,0,0],
[0,0,0,1,1,1,1,1,1,1,1,1,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];
</script>
</html>

??代碼開源,但需要有一定JS語音基礎方可閱讀,我明白“ 授人以魚不如授人以漁 ”的道理,所以代碼中常常只留下自定義注釋,方便大家修改,但不能憑此參透其中的奧妙,我并沒有藏拙,好學的人自然會想辦法尋找答案,自學也是人生的一門必修課,


推薦閱讀以下內容:

?Canvas線條影片
?CSS旋轉魔方
?JS迷你鍵盤
?CSS逼真小象

轉載請註明出處,本文鏈接:https://www.uj5u.com/houduan/3333.html

標籤:python

上一篇:分塊 --演算法競賽專題決議(25)

下一篇:“金9銀10”下的一次阿里巴巴JAVA崗面試,大廠技術需求了解下?

標籤雲
其他(157675) Python(38076) JavaScript(25376) Java(17977) C(15215) 區塊鏈(8255) C#(7972) AI(7469) 爪哇(7425) MySQL(7132) html(6777) 基礎類(6313) sql(6102) 熊猫(6058) PHP(5869) 数组(5741) R(5409) Linux(5327) 反应(5209) 腳本語言(PerlPython)(5129) 非技術區(4971) Android(4554) 数据框(4311) css(4259) 节点.js(4032) C語言(3288) json(3245) 列表(3129) 扑(3119) C++語言(3117) 安卓(2998) 打字稿(2995) VBA(2789) Java相關(2746) 疑難問題(2699) 细绳(2522) 單片機工控(2479) iOS(2429) ASP.NET(2402) MongoDB(2323) 麻木的(2285) 正则表达式(2254) 字典(2211) 循环(2198) 迅速(2185) 擅长(2169) 镖(2155) 功能(1967) .NET技术(1958) Web開發(1951) python-3.x(1918) HtmlCss(1915) 弹簧靴(1913) C++(1909) xml(1889) PostgreSQL(1872) .NETCore(1853) 谷歌表格(1846) Unity3D(1843) for循环(1842)

熱門瀏覽
  • 【C++】Microsoft C++、C 和匯編程式檔案

    ......

    uj5u.com 2020-09-10 00:57:23 more
  • 例外宣告

    相比于斷言適用于排除邏輯上不可能存在的狀態,例外通常是用于邏輯上可能發生的錯誤。 例外宣告 Item 1:當函式不可能拋出例外或不能接受拋出例外時,使用noexcept 理由 如果不打算拋出例外的話,程式就會認為無法處理這種錯誤,并且應當盡早終止,如此可以有效地阻止例外的傳播與擴散。 示例 //不可 ......

    uj5u.com 2020-09-10 00:57:27 more
  • Codeforces 1400E Clear the Multiset(貪心 + 分治)

    鏈接:https://codeforces.com/problemset/problem/1400/E 來源:Codeforces 思路:給你一個陣列,現在你可以進行兩種操作,操作1:將一段沒有 0 的區間進行減一的操作,操作2:將 i 位置上的元素歸零。最終問:將這個陣列的全部元素歸零后操作的最少 ......

    uj5u.com 2020-09-10 00:57:30 more
  • UVA11610 【Reverse Prime】

    本人看到此題沒有翻譯,就附帶了一個自己的翻譯版本 思考 這一題,它的第一個要求是找出所有 $7$ 位反向質數及其質因數的個數。 我們應該需要質數篩篩選1~$10^{7}$的所有數,這里就不慢慢介紹了。但是,重讀題,我們突然發現反向質數都是 $7$ 位,而將它反過來后的數字卻是 $6$ 位數,這就說明 ......

    uj5u.com 2020-09-10 00:57:36 more
  • 統計區間素數數量

    1 #pragma GCC optimize(2) 2 #include <bits/stdc++.h> 3 using namespace std; 4 bool isprime[1000000010]; 5 vector<int> prime; 6 inline int getlist(int ......

    uj5u.com 2020-09-10 00:57:47 more
  • C/C++編程筆記:C++中的 const 變數詳解,教你正確認識const用法

    1、C中的const 1、區域const變數存放在堆疊區中,會分配記憶體(也就是說可以通過地址間接修改變數的值)。測驗代碼如下: 運行結果: 2、全域const變數存放在只讀資料段(不能通過地址修改,會發生寫入錯誤), 默認為外部聯編,可以給其他源檔案使用(需要用extern關鍵字修飾) 運行結果: ......

    uj5u.com 2020-09-10 00:58:04 more
  • 【C++犯錯記錄】VS2019 MFC添加資源不懂如何修改資源宏ID

    1. 首先在資源視圖中,添加資源 2. 點擊新添加的資源,復制自動生成的ID 3. 在解決方案資源管理器中找到Resource.h檔案,編輯,使用整個專案搜索和替換的方式快速替換 宏宣告 4. Ctrl+Shift+F 全域搜索,點擊查找全部,然后逐個替換 5. 為什么使用搜索替換而不使用屬性視窗直 ......

    uj5u.com 2020-09-10 00:59:11 more
  • 【C++犯錯記錄】VS2019 MFC不懂的批量添加資源

    1. 打開資源頭檔案Resource.h,在其中預先定義好宏 ID(不清楚其實ID值應該設定多少,可以先新建一個相同的資源項,再在這個資源的ID值的基礎上遞增即可) 2. 在資源視圖中選中專案資源,按F7編輯資源檔案,按 ID 型別 相對路徑的形式添加 資源。(別忘了先把檔案拷貝到專案中的res檔案 ......

    uj5u.com 2020-09-10 01:00:19 more
  • C/C++編程筆記:關于C++的參考型別,專供新手入門使用

    今天要講的是C++中我最喜歡的一個用法——參考,也叫別名。 參考就是給一個變數名取一個變數名,方便我們間接地使用這個變數。我們可以給一個變數創建N個參考,這N + 1個變數共享了同一塊記憶體區域。(參考型別的變數會占用記憶體空間,占用的記憶體空間的大小和指標型別的大小是相同的。雖然參考是一個物件的別名,但 ......

    uj5u.com 2020-09-10 01:00:22 more
  • 【C/C++編程筆記】從頭開始學習C ++:初學者完整指南

    眾所周知,C ++的學習曲線陡峭,但是花時間學習這種語言將為您的職業帶來奇跡,并使您與其他開發人員區分開。您會更輕松地學習新語言,形成真正的解決問題的技能,并在編程的基礎上打下堅實的基礎。 C ++將幫助您養成良好的編程習慣(即清晰一致的編碼風格,在撰寫代碼時注釋代碼,并限制類內部的可見性),并且由 ......

    uj5u.com 2020-09-10 01:00:41 more
最新发布
  • Rust中的智能指標:Box<T> Rc<T> Arc<T> Cell<T> RefCell<T> Weak

    Rust中的智能指標是什么 智能指標(smart pointers)是一類資料結構,是擁有資料所有權和額外功能的指標。是指標的進一步發展 指標(pointer)是一個包含記憶體地址的變數的通用概念。這個地址參考,或 ” 指向”(points at)一些其 他資料 。參考以 & 符號為標志并借用了他們所 ......

    uj5u.com 2023-04-20 07:24:10 more
  • Java的值傳遞和參考傳遞

    值傳遞不會改變本身,參考傳遞(如果傳遞的值需要實體化到堆里)如果發生修改了會改變本身。 1.基本資料型別都是值傳遞 package com.example.basic; public class Test { public static void main(String[] args) { int ......

    uj5u.com 2023-04-20 07:24:04 more
  • [2]SpinalHDL教程——Scala簡單入門

    第一個 Scala 程式 shell里面輸入 $ scala scala> 1 + 1 res0: Int = 2 scala> println("Hello World!") Hello World! 檔案形式 object HelloWorld { /* 這是我的第一個 Scala 程式 * 以 ......

    uj5u.com 2023-04-20 07:23:58 more
  • 理解函式指標和回呼函式

    理解 函式指標 指向函式的指標。比如: 理解函式指標的偽代碼 void (*p)(int type, char *data); // 定義一個函式指標p void func(int type, char *data); // 宣告一個函式func p = func; // 將指標p指向函式func ......

    uj5u.com 2023-04-20 07:23:52 more
  • Django筆記二十五之資料庫函式之日期函式

    本文首發于公眾號:Hunter后端 原文鏈接:Django筆記二十五之資料庫函式之日期函式 日期函式主要介紹兩個大類,Extract() 和 Trunc() Extract() 函式作用是提取日期,比如我們可以提取一個日期欄位的年份,月份,日等資料 Trunc() 的作用則是截取,比如 2022-0 ......

    uj5u.com 2023-04-20 07:23:45 more
  • 一天吃透JVM面試八股文

    什么是JVM? JVM,全稱Java Virtual Machine(Java虛擬機),是通過在實際的計算機上仿真模擬各種計算機功能來實作的。由一套位元組碼指令集、一組暫存器、一個堆疊、一個垃圾回收堆和一個存盤方法域等組成。JVM屏蔽了與作業系統平臺相關的資訊,使得Java程式只需要生成在Java虛擬機 ......

    uj5u.com 2023-04-20 07:23:31 more
  • 使用Java接入小程式訂閱訊息!

    更新完微信服務號的模板訊息之后,我又趕緊把微信小程式的訂閱訊息給實作了!之前我一直以為微信小程式也是要企業才能申請,沒想到小程式個人就能申請。 訊息推送平臺🔥推送下發【郵件】【短信】【微信服務號】【微信小程式】【企業微信】【釘釘】等訊息型別。 https://gitee.com/zhongfuch ......

    uj5u.com 2023-04-20 07:22:59 more
  • java -- 緩沖流、轉換流、序列化流

    緩沖流 緩沖流, 也叫高效流, 按照資料型別分類: 位元組緩沖流:BufferedInputStream,BufferedOutputStream 字符緩沖流:BufferedReader,BufferedWriter 緩沖流的基本原理,是在創建流物件時,會創建一個內置的默認大小的緩沖區陣列,通過緩沖 ......

    uj5u.com 2023-04-20 07:22:49 more
  • Java-SpringBoot-Range請求頭設定實作視頻分段傳輸

    老實說,人太懶了,現在基本都不喜歡寫筆記了,但是網上有關Range請求頭的文章都太水了 下面是抄的一段StackOverflow的代碼...自己大修改過的,寫的注釋挺全的,應該直接看得懂,就不解釋了 寫的不好...只是希望能給視頻網站開發的新手一點點幫助吧. 業務場景:視頻分段傳輸、視頻多段傳輸(理 ......

    uj5u.com 2023-04-20 07:22:42 more
  • Windows 10開發教程_編程入門自學教程_菜鳥教程-免費教程分享

    教程簡介 Windows 10開發入門教程 - 從簡單的步驟了解Windows 10開發,從基本到高級概念,包括簡介,UWP,第一個應用程式,商店,XAML控制元件,資料系結,XAML性能,自適應設計,自適應UI,自適應代碼,檔案管理,SQLite資料庫,應用程式到應用程式通信,應用程式本地化,應用程式 ......

    uj5u.com 2023-04-20 07:22:35 more