Given the array nums after the possible rotation and an integer target, return the index of target if it is in nums, or -1 if it is not in nums.
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Leetcode SolutionGiven two non-negative integers num1 and num2 represented as strings, return the product of num1 and num2, also represented as a string.
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Leetcode SolutionGiven an input string (s) and a pattern (p), implement wildcard pattern matching with support for ‘?’ and ‘*’ where: ‘?’ Matches any single character.’*’ Matches any sequence of characters (including the empty sequence).The matching should cover the entire input string.
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Leetcode SolutionGiven an array of strings strs, group the anagrams together. You can return the answer in any order.
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Leetcode SolutionImplement pow(x, n), which calculates x raised to the power n.
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