判断字符串是否为回文
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Description
输入一个字符串，输出该字符串是否回文。回文是指顺读和倒读都一样的字符串。
Input Format
输入为一行字符串（字符串中没有空白字符，字符串长度不超过100）。
Output Format
如果字符串是回文，输出yes；否则，输出no。
abcdedcba
yes
2025-10-25-周训练
- Status
- Done
- Rule
- XCPC
- Problem
- 9
- Start at
- 2025-10-25 14:30
- End at
- 2025-10-25 17:30
- Duration
- 3 hour(s)
- Host
-
xinling
- Partic.
- 38