摘要: Problem 4 Problem 4 A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 × 阅读全文
posted @ 2019-03-30 22:16 仰望灬星空 阅读(149) 评论(0) 推荐(0) 编辑