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Implement pow(x, n), which calculates x raised to the power n (xn). Example 1: Example 2: Example 3: Note: -100.0 < x < 100.0 n is a 32-bit signed int 阅读全文
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我现在主要学的python,会一点c++,这两个语言可以说是leetcode上面最好做题目的语言了,c++有现成的stl可以用,python由于语言特性的问题自然是很方便; 个人感觉做算法题主要是思路,语言并不重要 用python做题还有一点“好处”,只要算法复杂度不对基本不能通过,其他语言可能还会 阅读全文
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Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in or 阅读全文
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Implement strStr(). Return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Example 1: Example 2: Cla 阅读全文
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https://blog.csdn.net/fx677588/article/details/72357389 https://blog.csdn.net/hyqsong/article/details/49429859 前面的两种是递归和非递归的实现,图文并茂,写的很好 后面的方法二和三可以拓展思 阅读全文