4x4數獨（完整版） | 程式專案

{"id":165294,"student_id":2589,"content":"{\"html\":\"\u003c!DOCTYPE html\u003e\\n\u003chtml lang=\\\"en\\\"\u003e\\n\\n\u003chead\u003e\\n    \u003cmeta charset=\\\"UTF-8\\\"\u003e\\n    \u003cmeta name=\\\"viewport\\\" content=\\\"width=device-width, initial-scale=1.0\\\"\u003e\\n    \u003cmeta http-equiv=\\\"X-UA-Compatible\\\" content=\\\"ie=edge\\\"\u003e\\n    \u003ctitle\u003eSudoku Solver\u003c/title\u003e\\n    \u003clink rel=\\\"stylesheet\\\" href=\\\"index.css\\\"\u003e\\n    \u003cscript src=\\\"https://cdn.jsdelivr.net/npm/vue@2.5.17/dist/vue.js\\\"\u003e\u003c/script\u003e\\n\u003c/head\u003e\\n\\n\u003cbody\u003e\\n    \u003cdiv id=\\\"sudoku\\\"\u003e\\n        \u003ch1\u003eSudoku\u003c/h1\u003e\\n        \u003cdiv class=\\\"game\\\"\u003e\\n            \u003cdiv class=\\\"grid\\\"\u003e\\n                \u003cdiv v-for=\\\"row, y in grid\\\" class=\\\"row\\\"\u003e\\n                    \u003cdiv v-for=\\\"col, x in row\\\" class=\\\"col\\\"\u003e\\n                        \u003cinput\\n                            v-model.number=\\\"grid[x][y]\\\"\\n                            @focus=\\\"onfocus(x, y)\\\"\\n                            @focusout=\\\"onfocusout(x, y)\\\"\\n                            :disabled=\\\"originGrid[x][y] != 0\\\"\\n                            :style=\\\"textColor(x, y)\\\"\\n                        \u003e\\n                    \u003c/div\u003e\\n                \u003c/div\u003e\\n            \u003c/div\u003e\\n           \u003cdiv class=\\\"vertical\\\"\u003e\\n               \u003cdiv v-for=\\\"i in 4\\\"\u003e\\n                   \u003cdiv v-show=\\\"v_check(i - 1)\\\" class=\\\"active\\\"\u003e\u003c/div\u003e\\n               \u003c/div\u003e\\n           \u003c/div\u003e\\n           \u003cdiv class=\\\"horizontal\\\"\u003e\\n               \u003cdiv v-for=\\\"i in 4\\\"\u003e\\n                   \u003cdiv v-show=\\\"h_check(i - 1)\\\" class=\\\"active\\\"\u003e\u003c/div\u003e\\n               \u003c/div\u003e\\n           \u003c/div\u003e\\n            \u003cdiv class=\\\"blocks\\\"\u003e\\n                \u003cdiv v-for=\\\"i in 4\\\"\u003e\\n                    \u003cdiv v-show=\\\"b_check(i - 1)\\\" class=\\\"active\\\"\u003e\u003c/div\u003e\\n                \u003c/div\u003e\\n            \u003c/div\u003e\\n        \u003c/div\u003e\\n        \u003cp v-if=\\\"isWin\\\" class=\\\"status\\\"\u003e恭喜你，獲得勝利了！\u003c/p\u003e\\n        \u003cbutton @click=\\\"newGame\\\"\u003e新遊戲\u003c/button\u003e\\n        \u003cbutton @click=\\\"resolve\\\"\u003e破解\u003c/button\u003e\\n    \u003c/div\u003e\\n\u003c/body\u003e\\n\u003c/html\u003e\",\"css\":\"body {\\n    display: flex;\\n    justify-content: center;\\n    align-items: center;\\n    background-color: lightyellow;\\n}\\n\\n#sudoku {\\n    text-align: center;\\n}\\n\\nh1 {\\n    font-size: 1.5rem;\\n}\\n\\nbutton {\\n    margin: 10px 5px;\\n}\\n\\n.status {\\n    color: red;\\n}\\n\\n.game {\\n    width: 450px;\\n    height: 450px;\\n    border: 1px solid black;\\n    position: relative;\\n}\\n\\n.row {\\n    width: 100%;\\n    height: calc(100%/4);\\n}\\n\\n.col {\\n    position: relative;\\n    display: inline-block;\\n    width: calc(100%/4);\\n    height: 100%;\\n    margin: 0;\\n    border: 1px solid #00000050;\\n    box-sizing: border-box;\\n}\\n\\ninput {\\n    position: absolute;\\n    top: 0;\\n    left: 0;\\n    width: calc(100% - 2px);\\n    height: calc(100% - 2px);\\n    margin: 0;\\n    text-align: center;\\n    border-width: 0px;\\n    box-sizing: border-box;\\n    font-size: 3rem;\\n    outline: none;\\n    color: black;\\n    background-color: rgba(0, 0, 0, 0);\\n}\\n\\ninput:disabled {\\n    font-weight: 900;\\n    font-size: 3rem;\\n    background-color: rgba(0, 0, 0, 0);\\n    cursor: not-allowed;\\n}\\n\\ninput:focus {\\n    color: black !important;\\n}\\n\\n.grid {\\n    width: 100%;\\n    height: 100%;\\n    position: absolute;\\n    top: 0;\\n    left: 0;\\n}\\n\\n.vertical,\\n.horizontal,\\n.blocks {\\n    position: absolute;\\n    top: 0;\\n    left: 0;\\n    right: 0;\\n    bottom: 0;\\n    display: flex;\\n    flex-wrap: wrap;\\n    pointer-events: none;\\n}\\n\\n.vertical \u003e div {\\n    width: calc(100%/4);\\n    height: 100%;\\n    position: relative;\\n}\\n\\n.horizontal \u003e div {\\n    width: 100%;\\n    height: calc(100%/4);\\n    position: relative;\\n}\\n\\n.blocks \u003e div {\\n    width: 225px;\\n    height: 225px;\\n    border: 1px solid black;\\n    box-sizing: border-box;\\n    position: relative;\\n}\\n\\n.vertical .active {\\n    z-index: -1;\\n    position: absolute;\\n    top: -12px;\\n    left: 12px;\\n    right: 12px;\\n    bottom: -12px;\\n    background-color: #ff595960;\\n}\\n\\n.horizontal .active {\\n    z-index: -1;\\n    position: absolute;\\n    top: 12px;\\n    left: -12px;\\n    right: -12px;\\n    bottom: 12px;\\n    background-color: #ffa40060;\\n}\\n\\n.blocks .active {\\n    z-index: -1;\\n    position: absolute;\\n    top: 6px;\\n    left: 6px;\\n    right: 6px;\\n    bottom: 6px;\\n    background-color: #00c4b360;\\n}\\n\",\"js\":\"var maze = [\\n    [0, 0, 0, 3],\\n    [0, 3, 2, 0],\\n    [3, 0, 4, 0],\\n    [0, 0, 0, 1],\\n]\\nvar grid = new Sudoku(maze); //初始化\\n\\n\\n//「破解」按鈕按下時執行此函式\\nfunction autoplay () {\\n    count = 0;\\n    resolve();\\n    console.log('遞迴嘗試了 ' + count + ' 次！');\\n}\\n\\nfunction resolve () {\\n\\n    //限制遞迴次數避免網頁癱瘓\\n    if (count \u003e= 1000) return;\\n    count++;\\n\\n    \\n}\\n\\n\"}","created_at":"2020-07-13T16:45:32.780+08:00","updated_at":"2020-07-13T16:46:09.885+08:00","name":"4x4數獨（完整版）","language":"web","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/165294/f1c3bac783d4975c0ea10ed3a9aa6f96.jpg"},"parent_id":2,"plugin":"// 將二維陣列轉為二維物件給 vue 去更好做綁定\nfunction array2dToGrid(arr2d) {\n    let grid = {};\n    for (let x = 0; x \u003c 4; x++) {\n        grid[x] = {};\n        for (let y = 0; y \u003c 4; y++) {\n            grid[x][y] = arr2d[x][y] !== 0 ? arr2d[x][y]: 0;\n        }\n    }\n    return grid;\n}\n\n\nfunction Sudoku (arr2d) {\n    \n    var grid = array2dToGrid(arr2d);\n\n    new Vue({\n        \n        el: '#sudoku',\n        \n        data: {\n            grid: grid,\n            originGrid: JSON.parse(JSON.stringify(grid)),\n        },\n        \n        methods: {\n            //水平檢查\n            h_check(y) {\n                let arr = [];\n                for (let i = 0; i \u003c 4; i++) {\n                    arr.push(grid[i][y]);\n                }\n                return !this.isValid(arr);\n            },\n            \n            //垂直檢查\n            v_check(x) {\n                let arr = [];\n                for (let i = 0; i \u003c 4; i++) {\n                    arr.push(grid[x][i]);\n                }\n                return !this.isValid(arr);\n            },\n\n            //大格子檢查\n            b_check(i) {\n                let offsetX = i % 2;\n                let offsetY = (i - offsetX) / 2;\n                let arr = [];\n                for (let x = 0; x \u003c 2; x++) {\n                    for (let y = 0; y \u003c 2; y++) {\n                        arr.push(grid[offsetY * 2 + y][offsetX * 2 + x]);\n                    }\n                }\n                return !this.isValid(arr);\n            },\n\n            isValid(arr) {\n                for (let a = 0; a \u003c arr.length - 1; a++) {\n                    for (let b = a + 1; b \u003c arr.length; b++) {\n                        if (arr[a] === arr[b] \u0026\u0026 arr[b] !== 0) return false;\n                    }\n                }\n                return true;\n            },\n\n            textColor(x, y) {\n                var num = grid[x][y];\n                return {\n                    color: `rgba(0, 0, 0, ${ num == 0 ? 0.05 : 1})`,\n                    fontWeight: this.originGrid[x][y] != 0 ? 'bold' : 'normal',\n                }\n            },\n            \n            onfocus(x, y) {\n                if (this.grid[x][y] == 0) this.grid[x][y] = '';\n            },\n            \n            onfocusout(x, y) {\n                for (var i=1; i\u003c=4; i++) {\n                    if (this.grid[x][y] == i) return;\n                }\n                this.grid[x][y] = 0;\n            },\n\n            resolve() {\n                window.autoplay \u0026\u0026 window.autoplay(); //學生實作\n            },\n\n            newGame() {\n                window.newGame \u0026\u0026 window.newGame(); //學生實作\n                \n                this.originGrid = JSON.parse(JSON.stringify(this.grid));\n            },\n            \n        },\n        \n        computed: {\n            isWin() {\n                for (let x=0; x\u003c4; x++) {\n                     for (let y=0; y\u003c4; y++) {\n                        if (this.grid[x][y] == 0) return false;\n                    }\n                }\n                \n                for (var i=0; i\u003c4; i++) {\n                    if (this.v_check(i) || this.h_check(i) || this.b_check(i)) {\n                        return false;\n                    }\n                }\n                \n                return true;\n            },\n        }\n    });\n    \n    return grid;\n\n}\n\n\n\n//-------------------- 產生題目的演算法 --------------------//\n\n//「新遊戲」按鈕按下時執行此函式\nfunction newGame () {\n    count = 0;\n    clearAll();\n    generator();\n    randomHide();\n    console.log('遞迴嘗試了 ' + count + ' 次！');\n}\n\nfunction generator () {\n    \n    //限制遞迴次數避免網頁癱瘓\n    if (count \u003e= 200000) return;\n    count++;\n\n    for (var x = 0; x \u003c 4; x++) {\n        for (var y = 0; y \u003c 4; y++) {\n            if (grid[x][y] == 0) {\n                \n                var arr = [];\n                for (var i = 0; i \u003c 4; i++) {\n                    arr.push(grid[x][i]);\n                }\n\n                for (var i = 0; i \u003c 4; i++) {\n                    arr.push(grid[i][y]);\n                }\n\n                var offsetX = x - x % 2;\n                var offsetY = y - y % 2;\n                for (var xx = 0; xx \u003c 2; xx++) {\n                    for (var yy = 0; yy \u003c 2; yy++) {\n                        arr.push(grid[offsetX + xx][offsetY + yy]);\n                    }\n                }\n\n                var rand = shuffle();\n\n                for (var i = 0; i \u003c 4; i++) {\n                    if (arr.indexOf(rand[i]) == -1) {\n                        grid[x][y] = rand[i];\n                        var b = generator();\n                        if (b) return true;\n                        grid[x][y] = 0;\n                    }\n                }\n                return false;\n            }\n        }\n    }\n    return true;\n}\n\n// 清空數獨\nfunction clearAll () {\n    for (var x = 0; x \u003c 4; x++) {\n        for (var y = 0; y \u003c 4; y++) {\n            grid[x][y] = 0;\n        }\n    }\n}\n\n// 洗牌演算法\nfunction shuffle() {\n    var arr = [1, 2, 3, 4];\n    for (var i = 0; i \u003c 100; i++) {\n        var rand1 = Math.floor(Math.random() * 4);\n        var rand2 = Math.floor(Math.random() * 4);\n        var temp = arr[rand1];\n        arr[rand1] = arr[rand2];\n        arr[rand2] = temp;\n    }\n    return arr;\n}\n\n// 隨機挖空完整的數獨\nfunction randomHide() {\n    for (var i=0; i \u003c 10; i++) {\n        var x = Math.floor(Math.random() * 4);\n        var y = Math.floor(Math.random() * 4);\n        if (grid[x][y] != 0) {\n            grid[x][y] = 0;\n        } else {\n            i -= 1;\n        }\n    }\n}\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":79,"hashid":"6rps444q","is_content_changed":true,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}