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2020年2月20日
Codeforces #620 div2 B
摘要： 题目: Returning back to problem solving, Gildong is now studying about palindromes. He learned that a palindrome is a string that is the same as its rev 阅读全文
posted @ 2020-02-20 01:11 Rayotaku 阅读(237) 评论(0) 推荐(0) 编辑