C++-字符串-输入字符串，判断是否是回文
You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.
Background
Description
输入字符串，判断是否是回文。
回文字符串：是一个正读和反读都一样的字符串。
Format
Input
Output
Samples
abcba
回文
adfasdfladsfalasdf
不是回文
abccba
回文
Limitation
1s, 1024KiB for each test case.