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Search a 2D Matrix II

Maximum Subarray

Given an array of size n, find the majority element. The majority element is the element that appears more than ⌊ n/2 ⌋ times.

LeetCode题目来源 Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element. For example, Given [3,2,1,5,6,4] and k

Different Ways to Add Parentheses