{"id":163361,"student_id":1981,"content":"// 可以修改預設密碼來測試\n// setPassword('password');\n\nvar chars = ' abcdefghijklmnopqrstuwvxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; //密碼可能的字元\nvar pops = []; //存放要猜的密碼\n\n\n// 按下空白按鍵來破解金庫\non('keydown', 'space', nextGeneration);\n\nfunction nextGeneration () {\n \n for(var i=0;i\u003c20;i++){\n arr.push({score:password(pops[i]),gene:pops[i]});\n }\n arr.sort(function(a,b){\n return b.score-a.score;\n })\n \n}\n //產生20組亂數的密碼\nwhile(pops.length\u003c20){ \n var gens='';//宣告變數用來儲存新產生的密碼\n for(var i=0;i\u003c20;i++){//用迴圈產生長度23的密碼 \n gens+=chars[Math.floor(Math.random()*53)];\n }\n pops.push(gens);//將新產生密碼放入pops陣列\n}\n\n\n\n\n// 不斷嘗試密碼並將分數高的排在前面,產生下一代的密碼\nforever(function() {\n var children=[];\n pops.sort(function(a,b){ //利用排序演算法排序\n return password(b)-password(a); \n });\n for(var i=0;i\u003c20;i++){ \n var genes=crossover(pops[0],pops[1]);\n children.push(genes);\n }\n pops=children;\n})\n\n// 將兩組密碼進行組合\nfunction crossover (a, b) {\n var child_gene = '';\n for (var i = 0; i \u003c 13; i++) {\n if (Math.random() \u003c 0.1) {//隨機取數 決定要變異還是遺傳母或父\n var rand = Math.floor(Math.random()*63);\n child_gene += chars[rand];\n } else {\n if (Math.random() \u003c 0.5) {\n child_gene += a[i];\n } else {\n child_gene += b[i];\n }\n }\n }\n return child_gene;\n}","created_at":"2020-07-09T18:53:45.183+08:00","updated_at":"2022-08-17T17:03:21.571+08:00","name":"遺傳演算法(預設版) 副本","language":"javascript","screenshot":{"url":"https://cdn7.koding.school/uploads/project/screenshot/163361/14e74d010c2c79cf51a9d1353ac1dc83.jpg"},"parent_id":150101,"plugin":"(function () {\n \n setBackdrop('hacker1.jpg', 0, 0, 640, 480);\n\n var logs = [];\n var key = '';\n var gameOver = false;\n\n function password (str) {\n\n var count = 0;\n for (var i = 0; i \u003c key.length; i++) {\n if (key[i] === str[i]) count++;\n }\n \n if (!gameOver) {\n logs.unshift([str, count]);\n }\n \n if (!gameOver \u0026\u0026 str.length == key.length \u0026\u0026 count === key.length) {\n gameOver = true;\n setBackdrop('hacker2.jpg', 0, 0, 640, 480);\n createSound('beep.wav');\n setTimeout(function () {\n setBackdrop('hacker3.jpg', 0, 0, 640, 480);\n createSound('unlock.wav');\n }, 1000);\n }\n \n return count;\n }\n \n function setPassword (str) {\n key = str;\n }\n \n forever(function(){\n for (var i=0; i\u003c14 \u0026\u0026 i\u003clogs.length; i++) {\n print(logs.length - i, 50, 35 + 20*i, '#aaa', 14);\n print(logs[i][1], 100, 35 + 20*i, logs[i] == key ? 'gold' : 'gold', 16);\n print(logs[i][0], 130, 35 + 20*i, logs[i] == key ? 'gold' : 'white', 16);\n }\n });\n \n window.password = password;\n window.setPassword = setPassword;\n\n})();\n\nsetPassword('I love Koding');\n","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":38,"hashid":"wdksrj85","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}
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