1A2B 解題副本 | JavaScript 程式專案

{"id":46429,"student_id":1440,"content":"// 預設程式\nvar list = []\n\nfor (var i = 123; i \u003c 9877; i++) {\n    i = i.toString()\n    if (i.length == 3) {\n        i = \"0\" + i\n    }\n    if (i[0] != i[1] \u0026\u0026\n        i[0] != i[2] \u0026\u0026\n        i[0] != i[3] \u0026\u0026\n        i[1] != i[2] \u0026\u0026\n        i[1] != i[3] \u0026\u0026\n        i[2] != i[3]) {\n        list.push(i)\n    }\n}\n\nfor (var i = 0; i \u003c list.length; i++) {\n    var re = guess(list[i])\n    if (re.a == 4) {\n        break\n    }\n}\n\n// 判斷兩組相似，返回 a、b\nfunction diff(num1, num2) {\n    var a = 0\n    var b = 0\n    for (var i = 0; i \u003c num1.length; i++) {\n        if (num1[i] == num2[i]) {\n            a++\n        }\n    }\n    for (var i = 0; i \u003c num1.length; i++) {\n        for (var j = 0; j \u003c num2.length; j++) {\n            if (num1[i] == num2[j] \u0026\u0026 num1[i] != num2[i]) {\n                b++\n            }\n        }\n    }\n    return {\n        \"a\": a,\n        \"b\": b\n    }\n}","created_at":"2018-10-26T13:00:44.079+08:00","updated_at":"2019-10-27T19:33:25.726+08:00","name":"1A2B 解題 副本","language":"javascript","screenshot":{"url":"https://cdn8.koding.school/uploads/project/screenshot/46429/97169681c69163a0173309beb41ca38d.jpg"},"parent_id":33939,"plugin":"setBackdrop('black');\n\nvar guess = (function () {\n\n    var answer = ''; // 正確答案\n    var logs = []; // 記錄玩家所猜的數字與結果\n\n    // 產生答案\n    var numbers = '0123456789';\n    for (var i = 0; i \u003c 4; i++) {\n        var rand = Math.floor(numbers.length * Math.random());\n        answer += numbers[rand];\n        numbers = numbers.slice(0, rand) + numbers.slice(rand + 1);\n    }\n\n    function guess(num) {\n        var a = 0;\n        var b = 0;\n        for (var i = 0; i \u003c 4; i++) {\n            var idx = answer.indexOf(num[i]);\n            if (idx != -1) i == idx ? a++ : b++;\n        }\n        logs.unshift({num: num, a: a, b: b});\n        return { a: a, b: b }\n    }\n\n    forever(function(){\n        for (var i=0; i\u003clogs.length \u0026\u0026 i\u003c100; i++) {\n            var l = logs[i];\n            var s = `${logs.length - i}. ${l.num}  ${l.a}A${l.b}B`;\n            // 補上對齊用的空格\n            while(s.length \u003c 15) s = ' ' + s;\n            print(s, 30, 20 + 30*i, l.a == 4 ? 'gold' : 'white', 25, 'monospace');\n        }\n    });\n\n    return guess;\n\n})();","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":108,"hashid":"4y3s9d94","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}