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原题链接在这里：https://leetcode.com/problems/strobogrammatic-number-iii/ 题目： A strobogrammatic number is a number that looks the same when rotated 180 degree 阅读全文
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原题链接在这里：https://leetcode.com/problems/integer-replacement/ 题目： Given a positive integer n and you can do operations as follow: What is the minimum num 阅读全文
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原题链接在这里：https://leetcode.com/problems/convert-a-number-to-hexadecimal/ 题目： Given an integer, write an algorithm to convert it to hexadecimal. For nega 阅读全文
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原题链接在这里：https://leetcode.com/problems/number-complement/ 题目： Given a positive integer, output its complement number. The complement strategy is to fli 阅读全文