奇怪的是,数学家们坚持说11“严格地说不是一个回文数字”。
Strangely, mathematicians insist 11 is a “strictly non-palindromic number”.
在寻找回文时,输入行中的除了罗马字母以外的其他字符,比如标点符号,数字,空格,和tab符号,全部忽略。
On finding palindromes, any characters in the input except Roman alphabets, such as punctuation characters, digits, Spaces, and tabs, should be ignored.
找出最大的回文数字,它们是由两个3位数字的乘积。
Find the largest palindrome made from the product of two 3-digit Numbers.
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