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摘要: Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. ``` Symbol Value I 1 V 5 X 10 L 50 C 100 D 500 M 1000 ``` For examp 阅读全文
posted @ 2023-06-12 10:37 Artwalker 阅读(0) 评论(0) 推荐(0) 编辑
摘要: Given an integer x, return true if x is a palindrome, and false otherwise. **Example 1:** ``` Input: x = 121 Output: true Explanation: 121 reads as 12 阅读全文
posted @ 2023-06-12 09:58 Artwalker 阅读(1) 评论(0) 推荐(0) 编辑
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