Leetcode OJ : Implement strStr() [ Boyer–Moore string search algorithm ] python solution

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Leetcode OJ : Implement strStr() [ Boyer–Moore string search algorithm ] python solution

class Solution { public: int strStr(char *haystack, char *needle) { , skip[]; char *str = haystack, *substr = needle; int len_src = strlen(str), len_sub = strlen(substr); // preprocess ; i < ; i++) skip[i] = len_sub; ; ; i < last;i++) skip[substr[i]…

[leetcode 27]Implement strStr()

1 题目: Implement strStr(). Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Update (2014-11-02):The signature of the function had been updated to return the index instead of the pointer. If you…

[LeetCode] 28. Implement strStr() 实现strStr()函数

Implement strStr(). Return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Example 1: Input: haystack = "hello", needle = "ll" Output: 2 Example 2: Input: haystack = "aaaaa",…

【leetcode】Implement strStr() (easy)

Implement strStr(). Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. 思路: 注意,在for循环中条件有计算得到的负数时, 一定要把计算括起来转换为int, 否则会默认转换为uchar 负数就会被误认为是一个很大的数字. ; i < - ); ++i) 实现很常规: int strStr(string haystac…

Java for LeetCode 028 Implement strStr()

Implement strStr(). Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. 解题思路一: 暴力枚举,JAVA实现如下: static public int strStr(String haystack, String needle) { for(int i=0;i<=haystack.length()-needle.len…

Java [leetcode 28]Implement strStr()

题目描述: Implement strStr(). Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack. Update (2014-11-02): The signature of the function had been updated to return the index instead of the pointer. If you…