{"id":113119,"student_id":1981,"content":"\r\n// 預設程式\r\nwhen(\"click\", function () {\r\n guess(prompt());\r\n});\r\n\r\n// 產生所有可能的組合\r\nvar list = [];\r\nfor (var i = 123; i \u003c= 9876; i++) {\r\n var t = i.toString();\r\n if (t.length \u003c= 3) {\r\n t = '0' + t;\r\n }\r\n if (t[0] != t[1] \u0026\u0026 \r\n t[0] != t[2] \u0026\u0026 \r\n t[0] != t[3] \u0026\u0026 \r\n t[1] != t[2] \u0026\u0026 \r\n t[1] != t[3] \u0026\u0026 \r\n t[2] != t[3]) {\r\n list.push(t);\r\n }\r\n}\r\n\r\n// 根據猜的結果移除不可能的選項\r\nwhile (list.length \u003e= 0) {\r\n var g = list[0]; // 取第一個來猜\r\n var result = guess(g);\r\n\r\n // if (result.a == 4) {\r\n // list=[];\r\n // break;\r\n \r\n // }\r\n\r\n for (var i = 0; i \u003c list.length; i++) {\r\n // var d = diff(list[i], g);\r\n // if (d.a != result.a || d.b != result.b) {\r\n // list.splice(i, 1);\r\n // }\r\n // console.log(guess(\"1234\"))\r\n result = guess(list[i]);\r\n if(result.a==4){ \r\n console.log(list[i]);\r\n break;\r\n }\r\n // if (result.b == 4) {\r\n // // list=[];\r\n // list=-1;\r\n // console.log(\"c c \")\r\n // break;\r\n \r\n // }\r\n \r\n }\r\n}\r\n\r\n// 判斷兩組相似,返回 a、b\r\n// function diff(num1, num2) {\r\n// var a = 0;\r\n// var b = 0;\r\n// for (var i = 0; i \u003c 4; i++) {\r\n// var idx = num1.indexOf(num2[i]);\r\n// if (idx != -1) {\r\n// if (idx == i) {\r\n// a++;\r\n// } else {\r\n// b++;\r\n// }\r\n// }\r\n// }\r\n// return { a: a, b: b }\r\n// }\r\n","created_at":"2019-12-10T16:43:20.714+08:00","updated_at":"2019-12-10T16:43:26.784+08:00","name":"1A2Bsss","language":"javascript","screenshot":{"url":null},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":44,"hashid":"6rps6rzj","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}
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