{"id":65833,"student_id":45,"content":"// 預設程式\nwhen(\"click\", function () {\n guess(prompt());\n});\nvar list = [];\nfor (var i = 123; i \u003c 9877; i++) {\n var t = i.toString();\n if (t.length \u003c 4) {\n t = \"0\"+t;\n }\n\n if (t[0] != t[1] \u0026\u0026 t[0] != t[2] \u0026\u0026 t[0] != t[3] \u0026\u0026 t[1] != t[2] \u0026\u0026 t[1] != t[3] \u0026\u0026 t[2] != t[3]) {\n list.push(t);\n }\n}\nwhile (list.length \u003e= 0) {\n var g = list[0];\n var re = guess(g);\n if (re.a == 4)break;\n for (var k = 0; k \u003c list.length; k++) {\n var d = diff(list[k], g);\n if (d.a != re.a || d.b != re.b) {\n list.splice(k, 1);\n }\n }\n}\n\n//console.log(list);\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 4; i++) {\n var idx = num1.indexOf(num2[i]);\n if (idx!=-1) {\n if (i === idx) {\n a++;\n } else {\n b++;\n }\n }}\n return {\n a: a,\n b: b\n };\n}","created_at":"2019-05-04T13:48:40.483+08:00","updated_at":"2019-10-29T17:46:33.543+08:00","name":"1A2B 解題 副本","language":"javascript","screenshot":{"url":"https://cdn8.koding.school/uploads/project/screenshot/65833/3e1387499a29e9280e58b399e987e4d0.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":53,"hashid":"meys56g3","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}
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