### Longest Valid Parentheses - LeetCode

Given a string consisting of opening and closing parentheses, find the length of the longest valid parentheses in it using C++, Golang, and JavaScript.

Given a string consisting of opening and closing parentheses, find the length of the longest valid parentheses in it using C++, Golang, and JavaScript.

Merge k sorted linked lists into a single list using C++, Golang, and JavaScript.

LeetCode - return the minimum number of operations required to convert word1 to word2 using C++, Golang, and JavaScript.

LeetCode - return the prefix common array of A and B using C++, Golang, and JavaScript.

LeetCode - return the quotient after dividing dividend by divisor using C++, Golang, and JavaScript.

LeetCode - return the list after sorting it in ascending order using C++, Golang, and JavaScript.

LeetCode - return the bitwise AND of all numbers in this range, inclusive using C++, Golang, and JavaScript.

LeetCode - construct and return the binary tree from preorder and inorder traversal using C++, Golang, and JavaScript.

LeetCode - return the nth term of the count-and-say sequence using C++, Golang, and JavaScript.

LeetCode - return an integer array counts where counts[i] is the number of smaller elements to the right of nums[i] using C++, Golang, and JavaScript.

LeetCode - return true if a string is a valid number using C++, Golang, and JavaScript.

LeetCode - return the smallest missing positive integer using C++, Golang, and JavaScript.

LeetCode - reverse the nodes of the list k at a time, and return the modified list using C++, Golang, and JavaScript.

LeetCode - return the total number of subarrays whose sum equals to k using C++, Golang, and JavaScript.

LeetCode - return a string of the words in reverse order concatenated by a single space using C++, Golang, and JavaScript.

LeetCode - return the number of good nodes in the binary tree using C++, Golang, and JavaScript.

LeetCode - return the kth smallest element in the matrix using C++, Golang, and JavaScript.

LeetCode - return the minimum number of operations needed to make all the elements of arr equal using C++, Golang, and JavaScript.

LeetCode - return the minimized maximum pair sum after optimally pairing up the elements using C++, Golang, and JavaScript.

LeetCode - calculate the differene of ones and zeros for every cell in the matrix using C++, Golang, and JavaScript.

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