輾轉相除法（完整版） | JavaScript Programming Project

{"id":155134,"student_id":10,"content":"//迴圈版\nfunction gcd (a, b) {\n    while (a != b) {\n        if (a \u003e b) {\n            a = a - b;\n        } else {\n            b = b - a;  \n        }\n    }\n    return a;\n}\n\n//遞迴版\nfunction gcd (a, b) {\n    if (a == b) {\n        return a;\n    }\n    if (a \u003e b) {\n        return gcd(a - b, b);\n    } else {\n        return gcd(a, b - a);\n    }\n}\n\n//測試\nfunction test (a, b, answer) {\n    var result = gcd(a, b);\n    console.log(`\n    程式算出 ${a} 和 ${b} 的最大公因數是 ${result}\n    正確答案是 ${answer} ，你${answer == result ? '答對了😃':'答錯了😡'}\n    `);\n    \n}\n\ntest(51, 85, 17); \ntest(60, 50, 10);\ntest(64, 48, 16);\ntest(99, 77, 11);\ntest(97, 17, 1);\n","created_at":"2020-06-03T18:16:50.486+08:00","updated_at":"2020-06-03T18:17:03.171+08:00","name":"輾轉相除法（完整版）","language":"javascript","screenshot":{"url":null},"parent_id":2,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":401,"hashid":"36ysgpgr","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}