1A2B 解題副本 | JavaScript 程式專案

{"id":39178,"student_id":173,"content":"// 預設程式\nwhen(\"click\", function () {\n   \n    console.log( guess(prompt))\n});\nvar list=[]\nfor(var i=123;i\u003c=9876;i++){\n    i=i.toString()\n    if(i.length==3){\n        i=\"0\"+i\n    }\n    if(i[0]!=i[1]\u0026\u0026i[0]!=i[2]\u0026\u0026i[0]!=i[3]\u0026\u0026i[1]!=i[2]\u0026\u0026i[1]!=i[3]\u0026\u0026i[2]!=i[3]){\n        \n    list.push(i)\n    }\n   \n        \n    \n}\n//   for(var i=0;i\u003c=5040;i++){\n//          if(guess(list[i]).a==4){\n//              break;\n//          }\n         \n//      }   \nwhile(list.length\u003e0){\n    var num =list[0]\n    var re=guess(num)\n    if(re.a==4){\n        break;\n    }\n    for(var i=0;i\u003clist.length;i++){\n       var r= diff(num,list[i])\n       if(re.a!=r.a||re.b!=r.b){\n           list.splice(i,1)\n       }\n    }\n}\nconsole.log(diff(\"0123\",\"0124\"))\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 y=0;y\u003c4;y++){\n    var r=num1.indexOf(num2[y])\n    if(r!=-1){\n        if(r==y){\n        a++\n            \n        }else{\n            b++\n        }\n    }\n    }\n    return{\n        a:a,\n        b:b\n    }\n}","created_at":"2018-08-18T21:43:26.961+08:00","updated_at":"2019-11-03T11:41:19.487+08:00","name":"1A2B 解題 副本","language":"javascript","screenshot":{"url":"https://cdn0.koding.school/uploads/project/screenshot/39178/89edcce60b8890776f43b51e69f48ea4.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":93,"hashid":"4y3s33vq","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}