終極密碼（預設版）副本 | 程式專案

{"id":220390,"student_id":3469,"content":"{\"html\":\"\u003c!DOCTYPE html\u003e\\n\u003chtml\u003e\\n\u003chead\u003e\\n\\t\u003ctitle\u003eDocument\u003c/title\u003e\\n\\t\u003cscript src=\\\"https://code.jquery.com/jquery-3.4.1.min.js\\\"\u003e\u003c/script\u003e\\n\u003c/head\u003e\\n\u003cbody\u003e\\n    \u003ch1\u003e終極密碼\u003c/h1\u003e\\n    \u003ctextarea disabled id=\\\"textarea\\\"\u003e\u003c/textarea\u003e\\n    \u003cbr/\u003e\\n    \u003cbutton id=\\\"guess\\\" class=\\\"yellow\\\"\u003e猜數字\u003c/button\u003e\\n    \u003cbutton id=\\\"restart\\\" class=\\\"red\\\"\u003e開始新局\u003c/button\u003e\\n\u003c/body\u003e\\n\u003c/html\u003e\",\"css\":\"body {\\n    text-align: center;\\n    background-color: #25313e;\\n    font-family: Arial;\\n}\\n\\nh1 {\\n    color: #607489;\\n    margin: 20px;\\n}\\n\\ntextarea {\\n    width: 350px;\\n    height: 350px;\\n    padding: 15px;\\n    border: 1px solid #aaa;\\n    border-radius: 3px;\\n    color: #ccc;\\n    box-shadow: 0 0.25rem 0.5rem #12181e;\\n    background-color: #191919;\\n    text-align: center;\\n    font-size: 16px;\\n    line-height: 20px;\\n    font-family: Monospace;\\n    \\n}\\n\\nbutton {\\n    padding: 10px;\\n    color: #eee;\\n    margin-top: 10px;\\n    border: 1px solid #aaa;\\n    border-radius: 3px;\\n    box-shadow: 0 0.25rem 0.5rem #12181e;\\n    font-size: 1rem;\\n}\\n\\nbutton.red {\\n    background-color: #fc4048;\\n}\\n\\nbutton.yellow {\\n    background-color: #fd9409;\\n}\",\"js\":\"$('#guess').click(function () {\\n    var g = prompt('請輸入 0 - 1000 之間的數字？'); //讀取玩家輸入的數字\\n    var r = game.guess(g); //猜答案\\n    console.log(r); // 印出結果\\n});\\n\\n$('#restart').click(function () {\\n    game.start(); //開始新的一局\\n});\\n\\n\\n\\n\\n\\n\\n\\n//暴力破解法\\n// for (var i = 0; i \u003c 1001; i++) {\\n//     var result = game.guess(i);\\n//     if (result == '答對') {\\n//         break;\\n//     }\\n// }\\n\\n//二分破解法\\nfor (var j = 0; j \u003c 100; j++) {\\n    var low = 0;\\n    var up = 1000;\\n    game.start();\\n    for (var i = 0; i \u003c 1001; i++) {\\n        var center = Math.floor((low + up) / 2);\\n        var result = game.guess(center);\\n        if (result == '答對') {\\n            break\\n        }\\n        if (result == '太大') {\\n            up = center;\\n        } else if (result == '太小') {\\n            low = center;\\n        }\\n    }\\n}\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\\n\"}","created_at":"2021-01-17T15:05:51.130+08:00","updated_at":"2021-01-31T14:01:13.323+08:00","name":"終極密碼（預設版） 副本","language":"web","screenshot":{"url":"https://cdn2.koding.school/uploads/project/screenshot/220390/bcb470171cb79c029d13f27e924113b6.jpg"},"parent_id":144209,"plugin":"var GREATER = '太小';\nvar LESS = '太大';\nvar BINGO = '答對';\n\n\nfunction Game (textareaEl) {\n    this.answer = undefined;\n    this.playing = false;\n    this.index = 0;\n    this.round = 0;\n    this.sum = 0;\n    \n    this.buffer = '';\n    \n    self = this;\n    \n    setInterval(function () {\n        if (self.buffer.length \u003e 0) {\n            textareaEl.value += self.buffer;\n            textareaEl.scrollTop = textareaEl.scrollHeight;\n            self.buffer = '';   \n        }\n    }, 100);\n}\n\nGame.prototype = {\n    \n    start: function () {\n        this.answer = Math.floor(Math.random()*1000);\n        this.round++;\n        this.index = 0;\n        this.playing = true;\n        this.buffer += `\\n========== 第${this.round}局 ==========\\n\\n`;\n    },\n    \n    guess: function (g) {\n        if (!this.playing) return;\n        \n        var result;\n        this.index++;\n        this.sum++;\n        if (g \u003e this.answer) result = LESS;\n        if (g \u003c this.answer) result = GREATER;\n        if (g == this.answer) result = BINGO;\n\n        this.buffer += `第${this.index}次\\t猜：${g}\\t結果：${result}\\n`;\n        \n        if (g == this.answer) {\n            var avg = (this.sum / this.round).toFixed(3);\n            this.buffer += `\\n總共猜 ${this.index} 次`;\n            this.buffer += `\\n平均猜 ${avg} 次\\n`;\n        }\n        return result;\n    }\n}\n\n\nvar game = new Game(document.getElementById('textarea'));","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":80,"hashid":"yeysvqwjw","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}