2019年1月23日
PTA (Advanced Level) 1024 Palindromic Number
摘要： Palindromic Number A number that will be the same when it is written forwards or backwards is known as a Palindromic Number. For example, 1234321 is a 阅读全文
posted @ 2019-01-23 21:39 suvvm 阅读(322) 评论(0) 推荐(0)
PTA (Advanced Level) 1023 Have Fun with Numbers
摘要： Have Fun with Numbers Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it 阅读全文
posted @ 2019-01-23 20:28 suvvm 阅读(438) 评论(0) 推荐(0)